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CAT 325D genuine parts — Genuine & OEM Replacement Parts

3,650 part numbers
20 systems
12 months warranty

WSTPARTS supplies 3,650 genuine and high-quality OEM replacement parts for Caterpillar 325D equipment, covering 20 major systems including Bolt/Nut, Structure, Drivetrain, Fitting, Electrical System. Every part number below is fitment-verified before dispatch, backed by factory-direct pricing and a 12-month warranty. Send us your machine serial number for a fast quotation.

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CAT 325D genuine parts · Caterpillar 325D parts · CAT 325D parts

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Caterpillar 325D parts for CAT 325D

No "Caterpillar 325D parts" parts found for CAT 325D. Browse all parts below.

Bolt/Nut (704 parts)

0300167
RING
US$ 3.55
0338248
CLIP
US$ 1.87
0369823
BOLT
US$ 1.68
0392280
SPACER
US$ 10.40
0856448
SCREW
US$ 0.36
0857084
BOLT
US$ 4.33
0858604
RING-RETAI
US$ 5.21
0858605
RING
US$ 121.73
0859310
SPACER
US$ 17.14
0860297
WASHER
US$ 3.89
0873908
SHIM
US$ 1.90
0873909
SHIM
US$ 4.39
0874683
LOCKWASHER
US$ 1.03
0874710
SET SCREW
US$ 6.39
0875955
SPACER
US$ 24.20
View all 704 Bolt/Nut parts →

Structure (675 parts)

0857080
LEVER
US$ 135.69
0874786
ADAPTER
US$ 25.51
0875840
PLATE
US$ 14.47
0875841
PLATE
US$ 16.52
0937638
BAR,PUSH
US$ 42.27
0940578
PLATE,THRU
US$ 8.73
0940579
PLATE,THRU
US$ 9.13
0940580
PLATE,THRU
US$ 9.73
0941881
PLATE,SLID
US$ 4.98
0961519
SEAT
US$ 9.17
0964447
HOLDER
US$ 53.22
0964480
HOLDER
US$ 43.91
0965916
SEAT
US$ 8.07
0990596
CASE PACKI
US$ 542.92
1012846
CM GUARD
US$ 0.66
View all 675 Structure parts →

Drivetrain (311 parts)

0617539
SEAL
US$ 5.34
0931433
SEAL,DUST
US$ 9.70
0940876
SEAL
US$ 4.25
0951519
O-RING
US$ 0.86
0951527
O-RING
US$ 1.43
0951528
O-RING
US$ 1.44
0951538
O-RING
US$ 1.95
0951586
O-RING
US$ 1.00
0951710
O-RING
US$ 2.99
0960131
SEAL
US$ 10.42
0960854
SEAL
US$ 13.39
0961533
SEAL
US$ 14.25
0961570
RING SEAL
US$ 55.99
0964376
SEAL OIL
US$ 11.52
0990121
SEAL
US$ 13.32
View all 311 Drivetrain parts →

Fitting (240 parts)

0875709
BELLOWS
US$ 36.60
0941920
PIPE,HOLDE
US$ 58.98
0961523
GUIDE
US$ 56.03
1017404
TUBE AS
US$ 3.53
1038177
ADAPTER
US$ 57.58
1059526
ADAPTER
US$ 1.28
1119959
PLUG
US$ 3.23
1119998
PLUG
US$ 7.84
1136479
FLANGE
US$ 51.26
1141399
PIPE
US$ 107.97
1160126
HSG-PLUG
US$ 8.07
1164663
ELBOW
US$ 247.92
1169118
TUBE A
US$ 628.59
1169129
TUBE A
US$ 221.41
1175612
PIPE
US$ 53.65
View all 240 Fitting parts →

Electrical System (199 parts)

0308188
CONNECTOR
US$ 4.68
0873533
CAP
US$ 6.99
0941882
PLUG
US$ 5.22
0950965
PLUG,TAPER
US$ 5.93
0961421
PLUG
US$ 49.19
0961628
PLUG
US$ 27.83
1003320
PLUG A
US$ 5.18
1027964
CONNECTOR
US$ 4.03
1027965
TERMINAL
US$ 0.22
1028016
RESISTOR A
US$ 46.11
1028802
RECPTACLE
US$ 3.42
1028805
RECPTACLE
US$ 6.29
1029863
TERMINAL A
US$ 31.71
1056431
CONNECTOR
US$ 5.45
1076479
PLUG
US$ 5.91
View all 199 Electrical System parts →

Hydraulic Hose (154 parts)

0874402
HOSE A
US$ 42.39
0874411
HOSE A
US$ 41.80
0874423
HOSE A
US$ 47.22
0874531
HOSE AS
US$ 43.55
0874534
HOSE A
US$ 52.43
0875303
HOSE A
US$ 68.68
0875760
HOSE A
US$ 36.51
0875762
HOSE A
US$ 38.73
0875766
HOSE A
US$ 46.32
0875772
HOSE A
US$ 40.95
0875774
HOSE A
US$ 51.94
0875776
HOSE A
US$ 56.62
0875780
HOSE A
US$ 72.36
0875857
HOSE A
US$ 45.93
0875966
HOSE A
US$ 32.07
View all 154 Hydraulic Hose parts →

Seal (79 parts)

0336027
O RING
US$ 4.25
0336036
O-RING
US$ 5.24
0856449
PACKING
US$ 2.58
0931342
O-RING
US$ 5.60
0931345
O-RING
US$ 7.83
0931349
O-RING
US$ 8.50
0951543
O-RING
US$ 2.03
0951547
O-RING
US$ 2.28
0951572
O-RING
US$ 0.62
0951575
O-RING
US$ 0.65
0951576
O-RING
US$ 0.67
0951578
O-RING
US$ 0.67
0951579
O-RING
US$ 0.74
0951580
O-RING
US$ 0.75
0951582
O-RING
US$ 0.82
View all 79 Seal parts →

Spring (69 parts)

0856447
RETAINER
US$ 24.76
0875166
SPRING
US$ 6.18
0956639
SPRING
US$ 5.29
0957380
SPRING 9
US$ 3.57
0963978
SPRING
US$ 4.58
0964389
SPRING
US$ 3.80
0965915
RETAINER
US$ 18.99
0993506
GAS SPRING
US$ 95.14
0993671
SPRING
US$ 3.46
1047293
SPRING
US$ 19.23
1047294
SPRING
US$ 19.91
1047296
SPRING
US$ 22.81
1076370
SPRING
US$ 9.44
1167409
RETAINER A
US$ 11.21
1184087
SPRING
US$ 4.30
View all 69 Spring parts →

Engine Block (60 parts)

1151853
LINK
US$ 70.44
1151854
LINK
US$ 70.44
1192921
CHECK NPR
US$ 18.08
1277771
LINER
US$ 7.27
1535298
SLEEVE
US$ 75.44
1535309
SLEEVE
US$ 23.87
1733503
BLOCK GP-H
US$ 430.36
1775739
LINER
US$ 6.12
1775880
SLEEVE
US$ 9.80
1776395
LINER
US$ 27.46
1848722
LINER
US$ 13.56
1950321
CHECK NPR
US$ 12.22
1W8407
SLEEVE
US$ 13.47
2034927
LINER
US$ 211.92
2124288
CAMSHAFT A
US$ 1,441.34
View all 60 Engine Block parts →

Wiring Harness (57 parts)

0919035
SPACER
US$ 13.48
0993645
CABLE
US$ 3.13
1051797
MOUNT-WIRE
US$ 1.74
1138490
FUSE
US$ 0.81
1566554
CABLE A
US$ 257.74
1636758
WIRE A
US$ 7.38
1673456
HARNESS AS
US$ 6.56
1706929
CABLE AS
US$ 71.15
1709295
HARNESS AS
US$ 7.04
1717426
CABLE AS
US$ 125.51
1933515
CABLE AS
US$ 58.62
1945226
HARNESS AS
US$ 4.48
1945227
HARNESS AS
US$ 2.23
1982713
HARNESS AS
US$ 906.92
2013153
WIRE AS.
US$ 17.35
View all 57 Wiring Harness parts →

Hydraulic System (56 parts)

0857356
FITTING
US$ 22.55
0951622
SEAL-O-RING (ID=69.60mm)
Contact for price
1087516
FITTING
US$ 15.27
1211809
PLATE
US$ 133.03
1254766
CONNECTOR
US$ 1.21
1288950
CONNECTOR
US$ 27.91
1317501
ADAPTER AS
US$ 34.90
1394081
LIFTER GP
US$ 325.61
1488395
PLUG AS
Contact for price
1566555
STRIKER A
US$ 44.70
1566599
STRIKER
US$ 26.85
1588135
GUIDE
US$ 14.33
1733507
HOUSING AS
US$ 408.22
174-9570
FILTER GP
Contact for price
1761958
WINDOW GP
US$ 232.61
View all 56 Hydraulic System parts →

Pin/Bushing (54 parts)

0857083
PIN
US$ 6.81
0860523
PIN
US$ 291.93
0875974
PIN
US$ 4.92
0950843
PIN,SPLIT
US$ 0.06
0950891
PIN,SPRING
US$ 2.17
0957944
PIN,SPLIT
US$ 2.24
0963780
PIN
US$ 5.91
0964755
PIN
US$ 26.40
0964902
PIN
US$ 6.07
0998111
PIN
US$ 1.09
1167408
PIN G E T
US$ 8.53
1273913
PIN A
US$ 139.78
1282173
PIN
US$ 19.97
1347178
PIN
US$ 6.90
1400677
PIN
US$ 5.51
View all 54 Pin/Bushing parts →

Valve Assembly (40 parts)

0874742
VALVE
US$ 22.46
1076371
VALVE
US$ 54.44
1318829
VALVE
US$ 13.10
1344483
RETAINER
US$ 6.95
1376715
SEAT SPRIN
US$ 2.00
1388402
STAND-END
US$ 67.08
1400674
VALVE
US$ 430.06
1406188
SPRING-VAL
US$ 10.06
1409670
GUIDE VALV
US$ 11.46
1457390
VALVE-INTA
US$ 32.69
1478211
VALVE-EXH
US$ 55.96
1478214
SEAL-V-STE
US$ 2.18
1535286
VALVE
US$ 54.94
1535292
VALVE
US$ 59.14
1535299
VALVE
US$ 45.09
View all 40 Valve Assembly parts →

Switch/Relay (37 parts)

1051321
VALVE G
US$ 98.55
1060107
SWITCH AS
US$ 212.35
1095152
VALVE G
US$ 108.76
1176306
SWITCH
US$ 8.42
1232430
VALVE G
US$ 159.62
1251302
SWITCH AS
US$ 68.43
1284411
VALVE A
US$ 15.03
1296466
SWITCH A
US$ 47.13
1298034
VALVE AS
US$ 142.60
1495050
RELAY
US$ 11.46
1535295
VALVE G
US$ 785.94
1557042
RELAY AS
US$ 304.53
1588150
VALVE G
US$ 49.42
1613128
RELAY
US$ 10.37
1636710
SWITCH AS
US$ 29.58
View all 37 Switch/Relay parts →

Hydraulic Valve (36 parts)

0952927
VALVE,FILL
US$ 19.61
1092667
VALVE GP
US$ 82.76
1163526
VALVE GP
US$ 313.68
1396873
VALVE GP
US$ 26.01
1549023
VALVE-SAMP
US$ 18.45
1589085
VALVE GP
US$ 741.29
1659497
VALVE GP-F
US$ 878.09
1710188
VALVE GP-P
US$ 1,522.79
1734672
VALVE GP-C
US$ 604.57
1850490
VALVE GP-F
US$ 4,013.73
2042819
VALVE GP-T
US$ 962.07
2063336
VALVE GP
US$ 231.73
2154890
VALVE GP-C
US$ 1,071.29
2154909
VALVE GP-D
US$ 187.85
2155037
VALVE GP-S
US$ 908.73
View all 36 Hydraulic Valve parts →

Excavator (28 parts)

2270621
XT-6ES(1E
US$ 338.82
2270674
XT-6ES(1E
US$ 369.94
2363005
XT-6ES(1E
US$ 230.96
2363009
XT-6ES(1E
US$ 238.49
2489866
XT-6ES(1E
US$ 244.41
2489870
XT-6ES(1E
US$ 221.13
2489874
XT-6ES(1E
US$ 251.94
2489878
XT-6ES(1E
US$ 225.83
2489882
XT-6ES(1E
US$ 291.75
2489896
XT-6ES(1E
US$ 283.04
2536557
XT-6ES(1E
US$ 520.46
2536558
XT-6ES(1E
US$ 364.66
2536562
XT-6ES(1E
US$ 535.28
2536566
XT-6ES(1E
US$ 192.66
2536621
XT-6ES(1E
US$ 342.59
View all 28 Excavator parts →

Drive Shaft (26 parts)

0996145
CAM SHAFT
US$ 30.66
1129951
SHAFT
US$ 178.44
1141383
SHAFT
US$ 127.90
1163522
DRIVE-SCRE
US$ 2.04
1244009
SHAFT
US$ 9.23
1291170
SHAFT AS
US$ 138.32
1387198
SHAFT AS
US$ 160.45
1399476
SHAFT AS.
US$ 43.32
1695601
SHAFT-PLAN
US$ 105.32
1695602
SHAFT-PLAN
US$ 124.53
1733406
SHAFT
US$ 381.64
1776973
DRIVE AS-F
US$ 1,241.51
1884163
SHAFT
US$ 609.97
1912693
DRIVE GP
US$ 19,599.02
1915539
SHAFT
US$ 89.62
View all 26 Drive Shaft parts →

Piston Assembly (25 parts)

0874757
PISTON
US$ 27.60
0961055
RING BACKU
US$ 16.89
0964378
RING BACKU
US$ 24.09
1438023
PISTON
US$ 317.52
1475860
PISTON AS
US$ 1,663.82
1733384
PISTON-AC
US$ 184.02
1777496
RING-PSTN-
US$ 32.33
1793007
PISTON
US$ 333.35
1884161
PISTON AS
US$ 1,016.24
1884210
PISTON A
US$ 1,582.23
1884216
PISTON
US$ 599.25
1899771
RING PSTN
US$ 32.33
1979353
RING-INTME
US$ 22.20
1979354
RING-PISTO
US$ 22.20
1979386
RING-PISTO
US$ 22.20
View all 25 Piston Assembly parts →

Light/Lamp (25 parts)

0931291
CLAMP,SING
US$ 35.09
0951386
CLAMP
US$ 1.56
0951388
CLAMP
US$ 1.33
1229657
CLAMP
US$ 12.15
1347089
CLAMP
US$ 48.90
1440367
CLAMP
US$ 12.10
1532521
LAMP GP
US$ 75.88
1532523
LAMP G.
US$ 75.88
1586072
CLAMP-COMP
US$ 96.04
1616963
CLAMP
US$ 0.31
1673441
LAMP G-FLO
US$ 54.00
1737916
CLAMP
US$ 17.36
1745415
CLAMP
US$ 39.20
1775879
CLAMP
US$ 18.74
1831035
LAMP GP-FL
US$ 54.00
View all 25 Light/Lamp parts →

Boom (22 parts)

1205107
FILM-INSTR
US$ 3.26
1275278
FILM-INSTR
US$ 21.54
1321829
ALARM GP
US$ 41.16
1346146
FILM-STRIP
US$ 0.19
1538467
ARM AS-
US$ 61.94
1538470
ARM AS-
US$ 139.16
1613717
STRIP
US$ 11.43
1636795
STRAP-CABL
US$ 1.85
2041611
STRAP-CABL
US$ 1.37
2105837
STRIP
US$ 10.42
2343799
BOOM AS-BR
US$ 46,159.90
2357766
BOOM AS-BR
US$ 53,028.59
2382326
STRIP AS
US$ 14.35
2455475
FILM INSTR
US$ 6.30
2457870
STRAP-CABL
US$ 0.27
View all 22 Boom parts →

FAQ

Are these genuine Caterpillar 325D parts?
We supply both genuine CAT parts with anti-counterfeit labels and OEM-equivalent alternatives built to the same specifications. All parts are fitment-verified for the 325D before dispatch and covered by a 12-month warranty.

How do I confirm the part number for my 325D?
Match the part number on your old part, or send us your machine serial number — WSTPARTS verifies fitment free of charge.

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