CAT DIESEL ENGINE PARTS LIST
CAT 3204, CAT 3306, CAT 3406, CAT3408
Caterpillar 3208/10.4L 8 Cylinder
Diesel Bore 4.500
636 CID Stroke 5.000
ENGINE KITS
1 OF3208HA/11 Overhaul kit Non turbo engines
1 OF3208TA/31 Overhaul kit Turbo engines
1 IF3208-3R InFrame kit Non turbo engines
1 IF3208T-3R InFrame kit Turbo engines
CYLINDER KIT
8 PK3208HA Piston kit Stdr 3-ring style, non-turbo, 18.2:1 CR; Piston, rings, pin, retainers
8 32的 HA Piston body Std, 3-ring style,加n-turbo, 18.2:1 CR
8 PK3208HB Piston kit .020f 3-ring style, non-ttirbo, 18.2:1 CR; Piston, rings, pin, retainers
8 32的 HB Piston body .020f 3-ring style, non-ttirbo, 18.2:1 CR
8 PK3208HD Piston kit .Q4Qf 3-ring style, non-turbo, 18.2:1 CR; Piston, rings, pin, retainers
8 32的 HD Piston body .Q4Qf 3-ring style, non-turbo, 18.2:1 CR
8 PK3208TA Piston kit Stdr 3-ring style, turbo, 17.1:1 CR; Piston rings, pin, retainers
8 3208TA Piston body Stdr 3-ring style, turbo, 17.1:1 CR
8 PK3208TB Piston kit .Q2Qf 3-ring style, turbo, 17.1:1 CR; Piston, rings, pin, retainers
8 3208TB Piston body .020f 3-ring style, turbo, 17.1:1 CR
8 PK3208TD Piston kit .040f 3-ring style, turbo, 17.1:1 CR; Piston, rings, pin, retainers
8 3208TD Piston body .Q4Qf 3-ring style, turbo, 17.1:1 CR
8 3R32 的 RSA Ring set Stdr 3-ring style 1 cyl set 3l32r (1)3/16
8 3R32 的 RSB Ring set .Q2Qf 3-ring style 1 cyl set 3/32, (1) 3/16
8 3R32 的 RSD Ring set .040f 3-ring style 1 cyl set 3132, (1) 3/16
8 7N9803 Piston pin For all 3-ring and 2-ring pistons, 1.500 diar 3.207 length [repl 9L9889]
16 8N7294 Retainer piston pin For all 3-ring and 2-ring pistons
8 PK7737-F Piston kit Stdr 4.500 bore, 2-ring style, Dlr early, straight rod, 16.5:1 CR; Pistonr rings, pin, retianers [9L7737, 2W8265,7N9803,8N7294] [Can replace in sets with 3-ring 3208TA]
8 9L7737-F Piston body Stdr 4.500 bore, 2-ring style, Dlr early, cupr str rod, 16.5:1 CR [Can repl in sets with 3-ring PK3208TA]
8 PK7827-F Piston kit .Q2Qf 2-ring style, earlyr Dl, straight rodf 16.5:1 CR; Piston, rings, pinr retianers [9L7827, 2W8646f 7N98Q3,8N7294]
8 9L7827-F Piston body .Q2Qf 2-ring style, early, 2.318 CDr cup .828 x 2.25, straight rod, 16.5:1 CRf use with ring set 2W8646
8 PK7828-F Piston kit .040,2-ring style, Dl, early, straight rod, 16.5:1 CR; Piston, rings, pin, retianers [9L7828, 2W8647, 7N9803,8N7294]
8 9L7828-F Piston body .040f 2-ring style, early, 2.318 CDr cup .828 x 2.25, straight rod, 16.5:1 CRf use with ring set 2W8247
8 PK4831-F Piston kit Std, 4.500 bore, 2-ring style, DL tapered rodf 16.5:1 CR; piston, rings, pin retainers [2W4831,2W8265, 7N98Q3,8N7294] [Can replace sets with 3-ring PK3208TA]
8 2W4831-F Piston body Stdr 4.500 bore, 2-ring style, Dlr 2.320 CDf cup .824 x 2.50, tapered rod, 16.5:1 CR [Can replace sets with 3-ring PK3208TA] use with ring set 2W8265
8 PK8410-F Piston kit .Q2Qf 2-ring style, Dlr tapered rodr 16.5:1 CR; Piston, rings, pin, retianers [2W841Q, 2W8646r 7N98Q3f 8N7294]
8 2W8410-F Piston body .Q2Qf 2-ring style, 2.320 CD, cup .824 x 2.5Qf tapered rodr 16.5:1 CRr use with ring set 2W864G
8 2W4831 30-F Piston body .030f 2-ring style, 2.320 CD, cup .824 x 2.50f tapered rod, 16.5:1 CR
8 PK8411-F Piston kit .040,2-ring style, Dl, tapered rod, 16.5:1 CR; Piston, rings, pin, retianers [2W8411, 2W8647,7N9803, 8N7294]
8 2W8411-F Piston body .040f 2-ring style, 2.320 CD, cup .824 x 2.50f tapered rod, 16.5:1 C, Ruse with ring set 2W8647
8 PK8412-F Piston kit Std, 4.500 bore, 2-ring style, Dl, 2.320 CD, cup .710 x 2.50, tapered rod, 18.2:1 CR; [2W8412,2W8265 7N98Q3,8N7294] [ Can replace in sets with 3-ring PK3208HA]
8 2W8412-F Piston body Stdr 4.500 bore, 2-ring style, Dlr tapered radf 18.2:1 CR [can replace in sets with 3-ring PK3208HA]
8 PK8414-F Piston kit .Q2Qf 2-ring style, Dlr 2.320 CDr cup .710 x 2.50, tapered rod, 18.2:1 CR; Piston, rings, pin, retainers [2W8414,2W8646, 7N9803,8N7294]
Caterpillar 3208/10.4L 8 Cylinder
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
8 2W8414-F Piston body .020f 2-ring style, tapered rod, 18.2:1 CR
8 PK8415-F Piston kit .Q4Qf 2-ring style, DL 2.320 CD, cup .710 x 2.50, tapered rod, 18.2:1 CR; Piston, rings, pinf retainers [2W8415, 2W8247, 7N9803, 8N7294]
8 2W8415-F Piston body .Q4Qf 2-ring style, tapered rad, 18.2:1 CR
8 PK4729-F Piston kit Std, 4.500 bore, 3-ring style,DI, tapered rod, 16.5:1 CR,⑵ 1/8,⑴ 7/64; piston, rings, pin retainers [7E4729, 7E4729-RS, 7N9803, 8N7294]
8 7E4729-F Piston body Std, 4.500 bore, 3-ring style, DL tapered rodf 16.5:1 CR; (2) 1/8, (1) 7/64; use w/ring set 7E4729-RS
8 PK7737-3R-F Piston kit Stdr 4.500 bore, 3-ring style/Dlr straight & tapered rodr 16.5:1 CRr (2) 3/32f (1) 3/16; Piston, rings, pin, retianers [9L7737-3Rf 2W8265-3R, 7N9803,8N7294]
8 9L7737-3R-F Piston body Stdr 4.500 bore, 3-ring style, Dlr cupr both rods, 16.5:1 CR; (2) 3/32, |1) 3/16
8 PK7827-3R-F Piston kit .020f 3-ring style, Dlr straight & tapered rod, 16.5:1 CR (2) 3/32r (1) 3/16; Piston, rings, pin, retianers [9L7827-3R, 2W8646-3R, 7N9803, 8M7294I
8 9L7827-3R-F Piston body .Q2Qf 3-ring style, 2.320 CD, cupr bath rods, 16.5:1 CR; (2) 3/32, (1) 3/16; use with ring set 2W8646-3R
8 PK7828-3R-F Piston kit .Q4Qf 3-ring style, Dlr straight & tapered radr 16.5:1 CRr (2) 3/32r (1) 3/16; Pistanr rings, pin, retianers [9L7828-3R, 2W8647-3R, 7N9803,8M7294]
8 9L7828-3R-F Piston body .040f 3-ring style, 2.320 CD, cupr bath rods, 16.5:1 CR; (2) 3/32, (1) 3/16; use with ring set 2W8647-3R
8 2W8265 Ring set 4.5000 bore; Std, 2-ring style:⑴ 1/8,⑴ 7/64 [1 cvl set]
8 2W826510-F Ring set .01 Qf 2-ring style [1 cylset]
8 2W8646 Ring set .Q2Qf 2-ring style: (1) 1/8, (1) 7/64 [1 cyl set]
8 2W826530-F Ring set .030f 2-ring style [1 cyl set]
8 2W8647-F Ring set .040f 2-ring piston [1 cyl set]
1 2W8265S-F Ring set 4.5000 bore; Stdr 2-ring style: (1) 1/8r (1) 7/64 [8 cyl set]
1 2W8646S-F Ring set .020f 2-ring style: (1) 1/8, (1) 7/64 [8 cyl set]
1 2W8265S 30-F Ring set .Q3Qf 2-ring style: (1) 1/8f (1) 7/64 [8 cyl set]
1 2W8647S-F Ring set .Q4Qf 2-ring style: (1) 1/8f (1) 7/64 [8 cyl set]
8 2W8265-3R-F Ring set Stdr 3-ring style 1 cyl set 3/32, (1)3/16, rect comp
8 2W8646-3R-F Ring set .020f 3-ring style 1 cyl set 3/32, |1) 3/16r rect camp
8 2W8647-3R-F Ring set .040,3-ring style [1 cyl set]⑵ 3/32,丨 1) 3/16,邮t comp
8 7E4729-RS-F Ring set Std, 4.500 bore, 3-ring style:⑵ 1/8,⑴ 7/64, keystone comp [1 cyl set]
8 9N6275 Cylinder liner Repair sleeve, 3/32 thick
8 9N6275SP Cylinder liner Repair sleeve, 1/8 thick
BEARINGS
8 9N5923-F Bearing rod pair Std
8 9N5924 Bearing rod pair .01 Qf 0.950 wide, early style
8 9N5925-F Bearing rod pair .Q2Qf 0.950 wide, early style
8 9N592330-F Bearing rod pair .Q3Qf 0.950 wide, early style
8 9N5923+.040-B Bearing rod pair .040f 0.950 wide, early style
8 9N5926-F Bearing rod pair .050f 0.950 wide, early style
8 4W8090 Bearing rod pair Stdr 1.000 wide, late style; 2.750 journal, 2.9423 housing bore, 1.012 length
8 9N5920 Bearing rod pair .01 Qf 1.000 wide, late style
8 9N5921 Bearing rod pair .Q2Qf 1.000 wide, late style
8 7E789430-F Bearing rod pair .Q3Qf 1.000 wide, late style
8 7E789440-F Bearing rod pair .Q4Qf 1.000 wide, late style
8 9N5922 Bearing rod pair .050f 1.000 wide, late style
Caterpillar 3208/10.4L 8 Cylinder
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
3208BRGS MAIN BEARING NOTE All engines use: (3) 4W8Q92, (1) 4W8091, (1) #1 journal bearing
Select proper #1 bearing: 4W8Q93 or 8N8929 ar 4W8Q92
3208BRGS2 Style A: right tang (1) 4W8092. (3) 4W8Q92, (1) 4W8Q91
Style “A”: Gfv front main hrg with right tang. Crank#: 9L9230,9L9231, 9L9232; Bek gps: 9L6553, 9N0130, 9N1250 [5G34M, MS1421P]
3208BRGS3 Style B: grv in block (1) 4W8093. (3) 4W8Q92, (1) 4W8Q91
Style “B”: Non-groove front main brg, groove is in cylinder block. Black groups: 9N3120,9N3551, 9N3761 [5D89M, MS142QP]
3208BRGS4 Style C: center tang |1) 8N的29, (3) 4W8092,⑴ 4W8091
Style “C”: Grv front main brg with center tang, no groave in black. Block group: 9N1255 [5101M, MS1422P]
3208BRGS5 Style A: .010 OS OD .010 oversize 0D for MS1421P: MS1592P std/.02Q
Std set:⑴ 8N 的 73,丨 3) 8N9021,⑴ 8N9067; .020 set: (1) 8N 的 71,丨 3) 8N9019, (1) 8N9068
3208BRGS6 Style B: .010 OS OD .010 oversize 0D for MS1420P: MS1593P std/.Q2Q
Std set: (1) 8N8928, (3) 8N9Q21, (1) 8N9067; .020 set: (1) 8N8930, (3) 8Ng〇19, (1) 8N9Q68
3208BRGS7 Style C: .010 OS OD .010 oversize 0D for MS1422P: MS1594P std/.Q2Q
Stdset:⑴ 8N9021,丨3) 8N9021,⑴ 8N9067; .020 站t: (1) 8N9019,丨3) 8W9019, (1) 8N9068
1 4W8091 Bearing thrust pair Std, thrust; 3.500 journal, 3.708 housing bore, 1.253 and 1.000 length
Journal number 4 {thrust)
1 8N9065 Bearing thrust pair ■010
1 8N9064 Bearing thrust pair ■020
1 4W809130-F Bearing thrust pair ■030
1 4W8091 40-F Bearing thrust pair ■040
1 8N9066 Bearing thrust pair ■050
4W8092 Bearing main pair Std; grooved, center oil hole, right hand offset tang, 3.5QQ jrn# 3.708 hsg bore, 1.000 length
See notes above for quantities： 3 or 4 used
8N9022 Bearing main pair ■010
8N9023 Bearing main pair ■020
4W809230-F Bearing main pair ■030
4W8092 40-F Bearing main pair ■040
8N9020 Bearing main pair ■050
1 4W8093 Bearing main pair Std; non grooved, 3 oil holes, center tang, 3.500 journai, 3.708 housing bore, 1.000 length
See notes above for application
1 8N8976 Bearing main pair ■010
1 8N8972 Bearing main pair ■020
1 4W809330-F Bearing main pair ■030
1 4W8093 40-F Bearing main pair ■040
1 8N8974 Bearing main pair ■050
1 8N8929 Bearing main pair Std, grooved, center hole, center tang; 3.500 journal, 3.708 housing bore, 1.QQQ length
See notes above for application
1 8N8926-F Bearing main pair .010, grooved, center hole, center tang
1 8N8931-F Bearing main pair .020f grooved, center hole, center tang
1 8N8932-F Bearing main pair .030f grooved, center hole, center tang
8N9067 Bearing main pair Oversize for 4W8091; Std crank, .010 d/s OD
8N9068 Bearing main pair Oversize for 4W8091; .020 crank, .010 d/s OD
8N9069 Bearing main pair Oversize for 4W8091; .050 crank, .010 o/s QD
8N9021 Bearing main pair Oversize for 4W8092; Std crank, .010 o/s OD
Caterpillar 3208/10.4L 8 Cylinder
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
8N9019 Bearing main pair Oversize for 4W8092; .020 crankr .010 o/s 0D
8N9018-B Bearing main pair Oversize for 4W8092; .050 crankr .010 o/s QD
8N 的 73 Bearing main pair Oversize for 4W8093; Std crank, .010 o/s OD
8N8971 Bearing main pair Oversize for 4W8093; .020 crankr .010 o/s 0D
8N8975-B Bearing main pair Oversize for 4W8093; .050 crank, .010 o/s 0D
8N8928-B Bearing main pair Oversize for 8N8929; Std crank, .010 a/s 0D
8N8930-B Bearing main pair Oversize for 8N8929; .020 crank, .010 o/s OD
8N8927-B Bearing main pair Oversize for 8N8929; .050 crank, .010 o/s QD
8 9N5082 Bushing con rod For tapered connecting rod
8 8N0701 Bushing con rod For straight connecting rod
5 9N5246 Bearing cam [repl 9L8Q72]
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
1 208011 Set overhaul Non turbo engines
1 208031 Set overhaul Turbo engines
1 PGE0054-F Set inframe Non turbo engines
1 PGE0062-F Set inframe Turbo engines
1 PGE0053-F Set cylinder head Nan turba engines; set far both heads
2 5P8538-F Set cylinder head Non turbo engines; set for one head
1 PGE0063-F Set cylinder head Turbo engines; set for both heads
2 208034 Set cylinder head Turbo engines; set for one head
1 6V3789-F Set front cover Check serial# for applicatian
1 5P8543-F Set front cover Check serial# for application
G1 UPPER GASKETS
2 7W2059-F Gasket cylinder head
2 9L8020-F Gasket valve cover
2 9L7630-F Gasket manifold intake
2 9L8027-F Gasket manifold exhaust
8 9L9658-F Lock exhaust manifold Non turbo engines
8 4N0196-F Lock exhaust manifold Turbo engines
2 1W0727-F Gasket turbo exhaust Exhaust donut
2 1W7810-F Gasket turbo exhaust Steel gasket
1 9L7873-F Diaphram PCV
1 9L8837-F Gasket diaphram
1 9L8786-F Gasket PCV mounting
G5 PAN GASKETS
1 9L8016-F Gasket oil pan
1 3B1925-F Gasket drain plug
1 9N0241-F Gasket oil sump
8 9L9098 Injector seal Seal, teflon (white)
G2 FRONT GASKETS
1 9N0258-F Gasket front cover
1 9N1828-F Gasket top cover
1 9N0237-F Gasket oil cooler Hose housing gasket
2 4W3122-F Sleeve water Plastic sleeve, head to front cover (replaces 9NQ146)
4 6F0711-F Oring For water sleeve
2 9L7631 Clamp Far water sleeve
Caterpillar 3208/10.4L 8 Cylinder
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
1 7C2230-F Gasket oil cooler mtg Non turbo engines; cooler to plate
1 7C1651-F Gasket oil cooler mtg Non turbo engines; plate to filter base
2 9N2281-F Oring oil cooler Oil cooler mounting, square seal ring to block
2 8M8283-F Oring oil cooler Seal ring
G6 MISC GASKETS
1 9N6098-F Gasket flywheel hsg
7M7260-F Gasket liquid Red, 8 fluid oz
5H2471-F Gasket cement Green, conact cement, 8 fluid dz
5P3931-F Anti seize Brush top can, 1.06 qt
G3 CRANK SEALS
1 9N0307-F Seal crankshaft front 2.875 shaft, 3.628 OD; Up type seal
1 7C6660-F Seal crankshaft front 2.875 shaft, 3.628 OD; Directional teflon seal (included in overhaul gasket set)
1 5P6183-F Sleeve crank seal Front, for 2.875 shaft
1 7W3200-F Seal crankshaft rear Seal and sleeve, directional {included in overhaul gasket set) [repl 9L7736,9L7600]
1 99499-FM Sleeve crank seal Rear, 4.998/5.006 shaft, 1.000 width
CAMSHAFT
1 2W4197-F Camshaft Non turbo engines; without gear, use with solid lifters; use with late style gear assy 2W4197 or 2W6944
1 9N6608-B Camshaft Turbo engines; without gear, use with solid lifters [repl 2W4238, 2W4239; 9V3355 cam kit]
1 9N3597 Camshaft [Discontinued, check reman for availability] Turbo engines; without gear, use with roller lifters
16 9N5786 Lifter Solid type, mechanical (repl 9L9630)
16 9L6931 Lifter [Discontinued, check far reman or use pin and roller kit] Roller type
16 9L6931RK Lifter repair kit Far roller lifter
16 9N0141 Spring guide Use with roller lifter
1 7C6267 Gear camshaft Non turba engines
VALVE TRAIN
1 0R1574 Cylinder head Reman, assembly. Non Turbo
1 0R1101 Cylinder head Reman, assembly, Turbo
8 9L7682 Valve intake 2.Q94 head dia, 5.698 length, 0.3725 stem, 30 deg, 2G
8 9L7683 Valve exhaust 1.8Q4 head dia, 5.693 length, 0.3715 stem, 45 deg, 2G
Mon-turbo engines
8 1196772 Valve exhaust 1.8Q4 head dia, 5.683 length, 0.3715 stem, 45 deg, 2G; Stellite (replaces 9N5125)
Turbo engines
32 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
8 6I2864-F Valve guide Intake; converts cast in guide ta replaceable guide
8 6I2865-F Valve guide Exhaust; converts cast in guide to replaceable guide
16 1W4260 Valve spring retainer use with 1W4259 spring only
16 9L9425-B Valve spring retainer use with 9N3617 spring only
Early non-turbo
16 9N5497 Valve spring retainer
Turbo engines
16 1W4259 Valve spring 2.QQQ free. 1.56 0D. 1.15 ID, 0.2Q wire
Late non-turbo; single spring
16 9N3617-F Valve spring 1.875 height, .190 wire dia
Early non-turbo; single spring
16 9N5496-F Valve spring
Turbo engines, outer
16 9N5495-F Valve spring
Turbo engines, inner
16 1W9897 Valve spring washer Lower washer, all engines
8 7W9143-F Valve stem seal
Non-turbo engines, used on intake valves
16 5S5917-F Valve adjustment screw
Caterpillar
Diesel 636 CID
3208/10.4L(Continued)
8 Cylinder Bore 4.500 Stroke 5.000 8 2N8943-F Valve insert intake
8 9N2837-F Valve insert Exhaust
8 0L1329 Bolt cylinder head 1/2×3.00
6 5B9603 Bolt cylinder head 3/8×5.00
8 6F5282-CTR Bolt cylinder head 1/2×5.25
12 2B2006-CTR Bolt cylinder head 1/2×4.75
8 2B0947-CTR Bolt cylinder head 1/2×2.25
1 0S1571 Bolt cylinder head 1.75 length, left head
1 9L9166 Bolt cylinder head 3.60 length, right head (stud)
36 3H7654-B Washer head bolt For 1/2 halts
CRANKSHAFT
1 2W0085-Q Crankshaft
1 7N6290-B Gear crankshaft
1 9N6677 Key crankshaft
1 9N0293 Pointer [Discontinued]
CONNECTING ROD
8 0R0768 Connecting rod Remanufacturedf straight rod; Cast# 9N0406r 9M1078r 1W2258 [9N0407]
8 OR 的 20 Connecting rod Remanufactured, tapered rod; Cast# 9N0406, 9N1078,1W2558 [7E4728, 9N3504]
16 9N3832-F Bolt connecting rod
16 9L7669-F Nut connecting rod
OIL | LUBE SYSTEM
1 9N3207-F Oil pump rotor Rotor assembly, 1.25 wide; standard volume
Forsn： All 40S, 32Y1-68440
1 9N2856-F Bushing oil pump .685 wide (in front cover)
Forsn： All40S, 32Y1-68440
1 9L9243-F Spring relief valve
Forsn: All40Sf 32Y1-68440
1 9L9235-F Plunber relief valve
Forsn: All40Sf 32Y1-68440
1 7C2933 Guide relief valve
Forsn： All40S, 32Y1-68440
1 9N5569-F Oil pump rotor Rotor assembly, 1.45 wide (38 teeth); high volume
For sn： 32Y68441 & up; All 51Z & 22
1 9N5461 Bushing oil pump .850 wide (in front cover)
Far sn: 32Y68441 & up; All 51Z & 2Z
1 1W2208-F Spring relief valve
Far sn： 32Y68441 & up; All 51Z & 2Z
1 4P3546 Relief valve assembly
Far sn: 32Y68441 & up; All 51Z & 2Z
1 9Y5175 Oil pump rotor Rotor assembly, 30 teeth
Late applications with 9Y5215 crank gear
1 7W1762-B Oil cooler New, non turbo, 8 plate, no studs
8 plate: 9L6251,9L8821,9L8274 with studs: sub (1) 7W1762 cooler, (3) 4B4845 plug, (1) 7C1651 gasket.
1 9L6251 Oil cooler Reman, 8 plate, with studs
8 plate: 9L6251,9L8821,9L8274 with studs: sub (1) 7W1762 cooler, (3) 4B4845 plug, (1) 7C1651 gasket.
1 9N5233 Oil cooler Reman, 10 plate, na studs
10 plate: 9L6252,9NQ485 with studs: sub (1) 9N5233 coaler, (1) 9L5981 divider, (3) 4B4845 plug, (1) 7C1651 gasket
1 9N0485 Oil cooler Reman, 10 plate, with studs
10 plate: 9L6252,9NQ485 with studs: sub (1) 9N5233 coaler, (1) 9L5981 divider, (3) 4B4845 plug, (1) 7C1651 gasket
2 4B4845 Plug, pipe 3/8 standard thread
1 5M6213-F Plug, pipe 1/4-18NPTx3/4 high
1 7W9077 Hose oil cooler Non turbo, lower hose, L-shaped (replaces 2N9846)
Caterpillar 3208/10.4L 8 Cylinder
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
1 7W9078 Hose oil cooler Non turbo, upper hose, S-shaped (replaces 9L7708. 9L8074, 9L8958)
1 7W9079 Hose oil cooler Turbo (replaces 1W8426, 9N0482)
1 7W9080 Hose oil cooler Turbo {replaces 9ND483)
2 1R0734 Oil filter Early, 15/16 oil hole (9M5680)
2 1R0713 Oil filter Late, 1-1/16 oil hole (8N9586)
2 1R0714 Oil filter Late, 2Z1 & up, turbo engines (9N6007)
1 9L8412-F Plug oil galley Front, pipe plug, .75 thread
1 4K8603 Plug oil galley Front, cup plug
1 2B0858 Plug oil galley Rear, pipe plug, .50 thread
1 4D1322 Retainer oil galley plug Use with 4K8603 plug
2 8F8997-B Guide oil dipstick
1 9L8439-F Plug oil filler Expandable
Diesel (Continued) Bore 4.500
636 CID Stroke 5.000
1 9N5822-F Thrust washer fuel pump
8 6N7527 Plunger and barrel For 8mm fuel pump (sets of 8) (check sn for proper applications)
8 1W3010-F Plunger and barrel For 8.5mm fuel pump, turbo engine (sets of 8) {check sn for proper applications)
8 9N5862-B Spring plunger and barr Included with 6N7527 & 1W3Q1Q assemblies
1 9Y0231-B Injection line #1, used on engines with pencil type nozzles only
1 9Y0232-B Injection line #2, used on engines with pencil type nozzles only
1 9Y0233-B Injection line #3, u站d tin engirt的 with pencil type 加zzles 加ly
1 9Y0234-B Injection line #4, u坫d 加肋gine5 with pencil type 加zzles 加ly
1 9Y0235-B Injection line #5, used on engines with pencil type nozzles only
1 9Y0236-B Injection line #6r used on engines with pencil type nozzles only
1 9Y0237-B Injection line #7, used on engines with pencil type nozzles only
1 9Y0238-B Injection line #8, used on engines with pencil type nozzles only
1 9N3873X Timing advance unit Reman, marked: 9N0430,9N3873 (check for availability)
1 7W3825X Timing advance unit Reman, marked: 9N2422,9N3874f 7W3825; Low speed engines 2000 to 2200 rpm
1 9L6180X Timing advance unit Remanr marked: 9L6180 (check far availability)
1 7W3823X Timing advance unit Remanr marked: 7W3823; law speed turbo enigines 2000 to 2200 rpm
1 9N6050X Timing advance unit Reman, marked: 9N6040
COOLING SYSTEM
1 WP1003T-PR Water pump Bemanufactured, bolt on pulleyr 4.25 impeller [2W1225f 8N6147]
1 WP1003TF-PR Water pump Remanufactured, bolt on pulleyr threaded pulley for fan clutch, 4.25 impeller [2W1227]
1 WP1000T-PR Water pump Remanufactured, Without pulley (for bolt-on pulleys) with 4-1/4 inch impeller [9N6147, Cast 9N3076]
1 WP1000-PR Water pump Remanufactured, press an pulley, early style [0R0781]
1 6V6894-F Water pump kit Includes: shaft, bearings, seals
1 2W3535-F Impeller
1 2W0712-F Seal
2 5P7807-F Bearing water pump In 6V6894 repair kit
1 9N3899-F Pulley water pump
1 9N0137-F Gasket water pump mtg
2 9N5121-F Thermostat 180 degree
1 6I4954-F Thermostat Used with 4W9135 water connector group (4W4011)
1 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
1 3S9643-F Seal thermostat Use with 614954 and 4W4794 thermostats
1 9N5429-F Gasket thermostat hsg
1 9L6467-F Gasket water inlet
TURBO TURBOCHARGER New or remamifactured available, call for pricing
ITUMOIAIR
Caterpillar 3304/7.0L 4 Cylinder
Diesel Bore 4.750
425 CID Stroke 6.000
CYLINDER KIT
4 PLG8N3180 Cylinder kit 4.750 bore, 1.500 pin, PC, straight rod, 17.5:1 CR, [8N3180 piston, 9S3068 rings, 7N9804 pin, 9H401E retainers, 1105800 liner] [Can use PLG8N3182]
4 PLG8N3182 Cylinder kit 4.750 bore, 1.500 pin, PCf straight rod, 17.5:1 CRr [8N3182 piston, 9S3068 rings, 7N9804 pin, 9H401E retainers, 1105800 liner]
4 PLG8N3184 Cylinder kit 4.750 bore, 1.500 pin, PC,straighUod, 21:1 CR [8N3184 piston, 9S3068 finp, 7N9804 pin, 9H4015 retainers, 11D5800 liner]
4 PLG9N5250 Cylinder kit 4.75D bore, 1.700 pin, PC,straight rod, 17.5:1 CR, with plug [9N5250 piston, 9S3068 rings, 7N98Q5 pin, 1S9543 retainers, 1105800 liner]
4 PLG9N5403 Cylinder kit 4.750 bore, 1.700 pin, PC, straight rod, 17.5:1 CRf with plug [9N5403 piston, 2W1709 rings, 7N9805 pin, 1S9543 retainers, 1105800 liner]
4 PLG1290358 Cylinder kit 4.750 bore, 1.700 pin, Dl, taper rod, 15:1 CR [1290358 piston, 2W6091 rings, 7N9805 pin, 1S9543 retainers, 1105800 liner]
4 PLG1654262 Cylinder kit 4.750 bore, 1.700 pin/DI, taper rod, 15:1 CR [1654262 piston, 2114321 rings, 7N9805 pin, 1S9543 retainers, 1105800 liner] (replaces PLG1290338, PLG8N3102)
Caution: use casting# from crown, not skirt dr battam
4 PLG1684531 Cylinder kit 4.750 bore, 1.700 pin, Dl, taper rod, 16:1 CR [1684531 piston, 2114321 rings, 7N9805 pin, 1S9543retainers, 1105800 liner] (replaces PLG1568262, PLG9Y8271)
4 PLG1646560 Cylinder kit 4.750 bore, 1.700 Pin, Dl,taper rod, 16:1 CR [1646560 piston, 3300RS3 rings, 7N9805 pin, 1S9543 retainers, 1105800 liner]
4 PLG1548087 Cylinder kit 4.750 bore, 1.700 pin, Dl, taper rad, 17:1 CR [1548087 piston, 2114321 rings, 7N9805 pin, 1S9543 retainers, 1105800 liner] (replaces PLG612650)
4 PLG1073565 Cylinder kit 4.750 bore, 1.700 pin, Dl, taper rod, 17:1 CR [1073565 piston, 3300RS2 rings, 7M9805 pin, 1S9543 retainers,! 105800 liner]
Caution: use casting# from crown, not skirt or bottom
4 8N3180 Piston 4.7500 bore, PCr single-nif 17.5:1 CR (can use 8N3182)
4 8N3182 Piston 4.7500 bore, PC, dual-nif 17.5:1 CR
4 8N3184 Piston 4.7500 bore, PC, dual-ni, high altitude: 21:1 CR
4 9N5250 Piston 4.7500 bore, PC, dual-nif with heat plug, 17.5:1 OR (rect comp rings)
4 9N5403 Piston 4.7500 bore, PC, dual-ni, with heat plug, 17.5:1 CR (key comp rings)
4 1290358 Piston 4.75DD bore, Di, dual-ni, 15:1 CR (rect comp rings) (replaces 1W6757)
4 1654262 Piston 4.7500 bore, Dl, dual-ni, 15:1 CTI (key comp rings) (replaces 1290338,8N3102)
4 1684531 Piston 4.75QQ bore, Dl, dual-ni, 16:1 CR (key comp rings) (replaces 1568262, 9Y8217)
4 1290359 Piston 4.7500 bore, Dl, 16:1 CR (rect camp rings) (replaces 4P8132) [replaced by 1646560 piston AND 33QORS3 ring set]
4 1548087 Piston 4.7500 bore, Dlr 17:1 CR (key comp rings, 4mm oil ring) (replaces 612650)
4 1073565 Piston 4.7500 bore, Dl, 17:1 CR, 1 valve rlf, (key comp, reverse twist intermediate)
4 1290360 Piston 4.7500 bore, Dl, 15:1 CR (3300RS3 ring set) (replaces 6I3G5Q)
4 1568263-F Piston 4.7500 bore, Dl, 16:1 CR (3300RS4 ring set) (replaces 1050185)
4 9S3068 Ring set 4.7500 bore; 2 rectangular compression, .218 oil (9S3029, 5S6750,9S7788)
4 2W6091 Ring set 4.7500 bore; 2 rectangular compression, .125 oil 19S3029,5S6750,7E6047)
4 2W17 的 Ring set 4.7500 bore; 2 keystone compression, .125 oil (2W1707,2W1708. 7E6047)
4 2114321 Ring set 4.7500 bore, 1 keystone comp, 1 keystone inside bevel comp, 4mm oil (replaces 3300RS1)
4 3300RS2 Ring set 4.7500 bore; 2 keystone comp, reverse twist intermediate, 4mm oil (1006695, 1006694,6I0497)
4 3300RS3 Ring set 4.7500 bore; 1 keystone comp, 1 rectangular comp, .125 oil (2W1707,5S6750,7E6047)
4 3300RS4 Ring set 4.7500 bore; 1 keystone comp, 1 rectangular comp, 4mm oil (2W1707, 5S6750, 610497)
4 7N9804 Piston pin 1.500 dia, 3.735 length
丁 7N9805 Piston pin 1.700 dia, 3.730 length
9H4015 Retainer piston pin use with 1.5QQ dia pin
1S9543 Retainer piston pin use with 1.7QQ dia pin
[Z 1105800 Cylinder liner 4.75QQ bore, uses 5P8768 liner oring kit {Liner only) [repl 2P8889]
Caterpillar 3304/7.0L 4 Cylinder
Diesel (Continued) Bore 4.750
425 CID Stroke 6.000
4 5P8768 Cylinder liner oring kit |3)5S6670,⑴ 2W6134
12 5S6670 Cylinder liner oring Lower seal
4 2W6134 Cylinder liner oring Upper filler band
BEARINGS
5 2323233 Bearing main pair Std
5 8N8225 Bearing main pair ■010
5 8N8226 Bearing main pair ■020
5 8N8227 Bearing main pair ■030
5 2531APA40-FM Bearing main pair ■040
5 2531APA50-FM Bearing main pair ■050
2 6N8940 Thrust plate .185 thick (replaces 6N4129)
2 9S3037 Thrust plate .232 thick (replaces 6N4129)
2 1003652 Thrust plate .214 thick (replaces 7N9342)
4 4W5739 Bearing rod pair Std, 3.0000 journal, 3.2500 housing bore, 1.504 length (replaces 8N8220)
4 8N8221 Bearing rod pair ■010
4 8N8222 Bearing rod pair ■020
4 8N8223 Bearing rod pair ■030
2 7M4046 Bearing cam 1.008 OAL
1 9M5477 Bearing cam 1.135 0AL
4 8N0702 Bushing con rod 1.500 pin, 1.388 0ALf straight
4 8N1985 Bushing con rod 1.500 pin, tapered
4 8N0703 Bushing con rod 1.700 pinJ .430 OAL, straight
4 8N1849 Bushing con rod 1.700 pin, tapered
4 9Y2991 Bushing balancer [repl 5S6419]
2 9Y2992 Bushing balancer [repl 5S6420]
GASKET & SEALS
CATGASKET NOTE Far gasket sets: Call with Serial and Arrangement Numbers
1 9Y9895-F Seal crankshaft front 2.625 shaft, 3.700 OD
1 2P3859-F Sleeve crankshaft Front, 2.502 shaft, 2.627 effective shaft
1 9S3111-F Seal crankshaft rear 6.328 shaft, 7.336 0D# lip type seal
1 2P3858-F Sleeve crankshaft Rear, use with 9S3111 seal, 6.206 shaft, 6.328 effective shaft
1 4W0452-F Seal crankshaft rear 6.198 shaft, 7.336 OD, directional type, late
1 7C4297-F Seal crankshaft rear 6.202 shaft, 7.336 OD, directional type seal, late, double lip (4W0452 single lip)
1 8S1963-F Gasket oil pan
CAMSHAFT
1 7C3862 Camshaft [9Y1723 cam kit]
8 7S3161 Lifter Solid type
VALVE TRAIN
CYLHEAD NOTE Far complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
4 1007860 Valve intake 2.020 head dia, 5.350 length, .3717 stem, 30 deg, 2G, stellite (replaces: 6N9915, 2W2620, 7N0572)
Dl: Turbo & Natural
4 5S6452 Valve intake 2.Q2Q head dia, 5.510 length, .3717 stem, 30 deg, 2G
IDl: Natural
4 2W2621 Valve intake 2.Q2Q head dia, 5.510 length, .3717 stem, 30 deg, 2G, Stellite (replaces 4W1670,7S8809,9N6117)
IDI: Turbo, Spark ignited short
7W7490 Valve intake 2.020 head dia, 6.437 length, .3717 stem, 30 deg, 2G
Spark ignited long
6N9915 Valve intake 2.020 head dia, 5.369 length, .3717 stem, 30 deg, 2G <CAN USE 1007860)
Dl: Natural
1487455 Valve exhaust 1.896 head dia, 5.285 length, .3717 stem, 30 deg, 2G, stellite (replaces 1007861,6N9916, 7NQ573)
[Dl: Turbo & Natural
Caterpillar 3304/7.0L 4 Cylinder
Diesel (Continued) Bore 4.750
425 CID Stroke 6.000
4 5S6449-F Valve exhaust 1.896 head, 5.469 length, 0.3717 stem, 30 deg, 2G [can use 8N0875]
IDI: Natural
4 2W2877 Valve exhaust 1.896 head dia, 5.469 length, .3717 stem, 30 deg, 2G
Spark ignited short
4 8N 的 75 Valve exhaust 1.896 head dia, 5.469 length, 0.3717 stem dia, 30 degree, 2G, stellite [repl 7S6767]
IDI: Turbo, Natural
4 7W7491 Valve exhaust 1.896 head dia, 6.396 length, .3717 stem, 30 deg, 2G
Spark ignited long
4 7N0573 Valve exhaust 1.8昍 head dia, 5.308 length, .3717 stem, 30 deg, 2G <CAN USE 1487455)
01: Natural
8 1621589 Valve guide 0.3741 ID, 0.6583 QD# 2.781 length (repl: 1487425, 1487502, 1167553,1090390, 1033298, 2P1262, 5S4598)
8 4W9176 Valve guide 0.375Q ID, 0.6580 QD, 2.775 length (replaces: 7N4310) Natural gas, short valve engine
8 7E1551 Valve guide 0.375Q ID, Q.6580 QD, 2.640 length; Natural gas, short valve engine, improved cooling
8 9Y7895 Valve guide 0.375Q ID, Q.6580 QDf 3.700 length; Natural gas, long valve engine
16 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
8 1W5300 Rotocap Includes 6N7174 shield
8 1031800-F Rotator without shield [repl 8N7782, 5S5874]
8 6N7174 Rotator shield use with 6N7175 and 1W5300, do not use with 4W2474
8 7S7144 Valve spring 1.373 0D,.185 wire dia, 2.085 free
CRANKSHAFT
1 4N7692-Q Crankshaft Flange: Flat, 9 bolt hole; Snout: taperded, 1 keyway, 1 bolt hole
1 1678123-B Vibration damper
CONNECTING ROD
4 0R0915 Connecting rod Reman, 1.50 pin tapered; cast# 8N172Q, part# 8N1984; bushing 8N1985
4 5S6360X Connecting rod Reman, 1.50 pin straight; cast# 2P0933,6N8068; part# 8N1984; bushing 8NQ7Q2
4 0R0914 Connecting rod Reman, 1.7D pin tapered; cast# 8N172Q, part# 8N1721; bushing 8N1849
4 5S2793X Connecting rod Reman, 1.75 pin straight; cast# 2PQ933, 6N8068; part# 8N1721; bushing 8N0703
8 1P9956-F Bolt connecting rod
8 5S6348-F Nut connecting rod
FUEL I INJECTOR
4 170-5187R Injector Remanufactured, 7000 Series [170-5187, 1705187, 7W7038,0R4124]
4 7W7045R-P Injector Remanufactured, 7000 Series [7W7045, 0R3591] [changes to 1705181]
4 8N7003R-P Injector Remanufactured, 7000 Series [8N7003, 8N7002, 0R3417,0R1739]
4 8N7005R-P Injector Remanufactured, 7000 Series [8N7005,8N7001, 0R3418,0R1740]
4 100-7552R-P Injector Remanufactured, 7000 Series [100-7552, 1007552, 0R4336]
4 100-7559R-P Injector Remanufactured, 7000 series [1007559,100-7559,0R4340]
4 0R4341 Injector Remanufactured, 7QQQ Series [1007560,0R4341]
4 0R4342 Injector Remanufactured, 7QQQ Series [1007561,0R4342]
4 100-7563R-P Injector Remanufactured 7000 series [1007563, 100-7563, 0R8782]
4 100-7564R-P Injector reman Remanufactured 7000 series [1007564, 100-7564, 0R8783]
4 7N0449R-P Injector Remanufactured, pencil [0R3568, 7N0449] marked: 22514
4 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
4 8N8796 Nozzle service group Contains: capsule nozzle, orings, seal ring
COOLING SYSTEM
1 701 OX-BP Water pump Remanufactured; Two small output ports, angled tooth gear bolt-on, 2-3/4 bearing 0□; OEM: 7N59Q9, Cast: 2P0671
1 1118010 Thermostat 175 degree [repl 7E3362]
Tm^OIAIR
TURBO TURBOCHARGER
New or remanufactured available, call for pricing
MANIFOLD MANIFOLD Manifolds and elbows available, call with application
7L0520 Stud manifold exhaust 3/8″ x 2″
Caterpillar
Diesel 425 CID
3304/7.0L(Continued)
4 Cylinder Bore 4.750 Stroke 6.000 4S6137 Stud manifold exhaust 3/8″ x 3.2″
2N2766 Nut turbo mounting Turbo mounting and Exhaust manifold [new# 1687800]
8M7145 Washer 3/8
Caterpillar G3304 / 7.0L
Gas
425 CID, Natural Gas
4 Cylinder Bore 4.750 Stroke 6.000 CYLINDER KIT
4 PLG4P2654 Cylinder kit 4.75QQ bore, 1.500 pin. Natural gasf 10.5:1 CR
4 PLG4P2655 Cylinder kit 4.75QQ bore, 1.5QQ pin. Natural gas, 8.1:1 CR
4 4P2654 Piston body 4.7500 dia, 1.500 pinr Natural gas, 10.5:1 CR
4 4P2655 Piston body 4.7500 dia, 1.500 pin. Natural gas, 8.1:1 CR
4 7N9804 Piston pin 1.500 dia, 3.735 length
8 9H4015 Retainer piston pin use with 1.5QQ dia pin
4 3300RS5 Ring set Includes 1 each: 4P2656,4P2657,4P2658
4 1105800 Cylinder liner 4.75DD bore, uses 5P87G8 liner oring kit {Liner only) [repl 2P8889]
4 5P8768 Cylinder liner oring kit (3) 5S6670, (D2W6134
BEARINGS
5 2323233 Bearing main pair Std
8N8225 Bearing main pair ■010
8N8226 Bearing main pair ■020
8N8227 Bearing main pair ■030
2 1003652 Thrust plate .214 thick (replaces 7N9342)
4 4W5739 Bearing rod pair Std, 3.Q000 journal, 3.2500 housing bore, 1.504 length (replaces 8N8220)
8N8221 Bearing rod pair ■010
8N8222 Bearing rod pair ■020
8N8223 Bearing rod pair ■030
2 7M4046 Bearing cam 1.008 OAL
1 9M5477 Bearing cam 1.135 0AL
4 8N0702 Bushing con rod 1.5QQ pin, 1.388 OAL, straight
37Y1-472
4 8N1985 Bushing con rod 1.500 pin, tapered
37Y473-Up; N4F1-Up
4 9Y2991 Bushing balancer [repl 5S6419]
2 9Y2992 Bushing balancer [repl 5S6420]
GASKET & SEALS
1 304151 Set overhaul 37Y 1 • Up
1 304152 Set inframe 37Y1 – Up
1 304153 Set cylinder head 37Y1 – Up
1 8S1606 Gasket valve cover
If Long Valves Order 1 Additional
1 9Y9895 Seal crankshaft front
1 2P3859 Sleeve seal crankshaft fr Wear sleeve
1 4W0452 Seal crankshaft rear
1 2P3858 Sleeve seal crankshaft r Wear sleeve
1 8S1963 Gasket oil pan Sump to plate
1 5S6045 Gasket oil pan plate Plate to cylinder block
CAMSHAFT
1 9Y1723 Camshaft kit Camshaft and lifters
1 7C3862 Camshaft [9Y1723 cam kit]
Caterpillar G3304/7.0L 4 Cylinder
Gas (Continued) Bore 4.750
425 CID, Natural Gas Stroke 6.000
8 7S3161 Litter Solid type
1 8S1491 Lock camshaft
2 0L1026 Plug Rocker arm shaft end
8 1B4203 Nut Rocker arm adjusting
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
G3300HEAD1
esn 37Y1-1019
4 2W2621 Valve intake 2.020 head dia, 5.510 length, .3717 stem, 30 deg, 2Gr Stellite (replaces 4W1670,7S8809, 9N6117)
4 2W2877 Valve exhaust 1.896 head dia, 5.469 length, .3717 stem, 30 deg, 2G
8 7S7144 Valve spring 1.373 0Df .185 wire diaf 2.085 free
8 4W9176 Valve guide 0.375Q ID, D.6580 QD, 2.775 length (replaces: 7N4310) Natural gas, short valve engine
16 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
8 1W5300 Rotocap Includes 6N7174 shield
Natural aspirated
8 1031800 Rotocap (replaces 8N7782,5S5874)
Turbocharged
8 6N7174 Rotator shield use with 6N7175 and 1W5300, da not use with 4W2474
4 1070268 Valve insert Intake, 2.00 0D [repl 7N4448]
4 7N1649 Valve insert Exhaust
G3300HEAD2
esn 37Y1020-Up; N4F1-Up
4 7W7490 Valve intake 2.020 head dia, 6.437 length, .3717 stem, 30 deg, 2G
4 7W7491 Valve exhaust 1.896 head dia, 6.396 length, .3717 stem, 30 deg, 2G
8 7S7144 Valve spring 1.373 0Df.185 wire dia, 2.085 free
8 9Y7895 Valve guide 0.3750 ID, 0.6580 0Df 3.700 length; Natural gas, long valve engine
4 7W9143 Valve guide seal
Intake
8 7W7488 Spacer valve guide
16 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
8 1W5300 Rotocap Includes 6N7174 shield
Natural aspirated
8 1031800 Rotocap (replaces 8N7782,5S5874)
Turbocharged
8 6N7174 Rotator shield use with 6N7175 and 1W5300, do not use with 4W2474
4 1070268 Valve insert Intake, 2.00 OD [repl 7N4448]
4 7N1649 Valve insert Exhaust
12 9Y1798 Seal ring water director
4 7N8018 Seal ring water director
4 3B0623 Plug
4 8S8313 Plug cup
4 7N1743 Spark plug adapter
4 2N7174 Gasket spark plug adp Metal gasket
4 7S3206 Seal spark plug adp
1 4N7692-Q Crankshaft Flange: Flat, 9 bolt hole; Snout: taperded, 1 keyway, 1 bait hale
37Y1 -1583
1 2W7960 Crankshaft