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Caterpillar C27 Parts — Genuine & OEM Replacement Parts

771 part numbers
20 systems
12 months warranty

WSTPARTS supplies 771 genuine and high-quality OEM replacement parts for Caterpillar C27 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.

Bolt/Nut (140 parts)

0315085
BOLT
US$ 1.53
0897960
WASHER
US$ 0.89
0908635
SPACER
US$ 0.50
0961357
CLIP
US$ 2.74
1005072
SPACER
US$ 10.14
1005218
CLIP
US$ 4.63
1005219
CLIP
US$ 4.85
1061793
STUD
US$ 9.10
1075851
SCREW
US$ 0.36
1090147
SCREW
US$ 1.66
1138277
SCREW
US$ 0.62
1138373
SCREW-BUTT
US$ 8.03
1240312
SCREW
US$ 0.52
1241479
CLIP-LOOP
US$ 4.30
1241854
BOLT 12PT
US$ 10.71
View all 140 Bolt/Nut parts →

Structure (138 parts)

1025861
PLATE THRU
US$ 43.87
1081468
PLATE
US$ 899.82
1095840
ADAPTER PL
US$ 116.64
1243289
BRACKET
US$ 3,304.71
1243294
COVER A
US$ 198.23
1267521
SUPPORT
US$ 418.20
1276356
COVER AS
US$ 211.55
1339116
COVER
US$ 41.68
1388367
BLOCK
US$ 31.33
1428212
BRACKET
US$ 43.42
1440875
FILM INFO
US$ 3.63
1440876
FILM INFO
US$ 3.63
1650699
BRACKET AS
US$ 15.81
1878674
BLOCK AS-J
US$ 98.26
1974051
BLOCK- TER
US$ 92.48
View all 138 Structure parts →

Drivetrain (65 parts)

1013374
GEAR CAM
US$ 633.00
1036272
SEAL
US$ 36.03
1075852
SEAL
US$ 0.33
1087930
BEARING AS
US$ 83.36
1090074
SEAL O RIN
US$ 8.69
1090076
SEAL O RIN
US$ 6.52
1093416
GEAR
US$ 462.20
1123258
SEAL O RIN
US$ 6.14
1455579
GASKET
US$ 4.09
1497946
GASKET
US$ 62.29
1617293
GASKET-CYL
US$ 158.63
1808424
SEAL-O-RIN
US$ 0.82
1851497
GEAR AS-ID
US$ 789.07
1924309
SEAL-O-RIN
US$ 13.25
2006410
SEAL-O-RIN
US$ 4.30
View all 65 Drivetrain parts →

Fitting (53 parts)

0043099
NIPPLE
US$ 9.06
0909019
PLUG
US$ 17.59
1160765
TUBE AS
US$ 237.89
1162699
TUBE AS
US$ 212.90
1227375
GUIDE
US$ 12.90
1296400
ADAPTER
US$ 92.06
1375552
PLUG-ADAPT
US$ 22.15
1396118
TUBE AS
US$ 255.36
1730064
ELBOW
US$ 85.16
2030351
ELBOW-AIR
US$ 157.04
2175678
TUBE AS
US$ 72.40
2178946
ELBOW
US$ 306.09
2231998
MANIFOLD-I
US$ 645.16
2249664
STEEL-BAC
US$ 25.94
2301294
ELBOW
US$ 239.43
View all 53 Fitting parts →

Electrical System (46 parts)

0308310
CONNECTOR
US$ 6.94
1095839
PLUG OIL D
US$ 61.39
1263884
CAP-RAIN
US$ 351.93
1285669
TERMINAL
US$ 1.41
1558755
FUSE
US$ 7.09
1791937
TIMER-60 M
US$ 182.21
1861658
PANEL AS -
US$ 44.05
1D4538
CAPSCREW
US$ 0.46
1P1376
CONNECTOR
US$ 11.21
2370227
PLUG AS-CO
US$ 2.21
2428298
CAP AS.
US$ 353.16
2469818
FUSE HOLDE
US$ 116.15
2527454
CONNECTOR-
US$ 27.52
2725835
FUSE - 1/2
US$ 10.72
2874786
CAP-PRESS
US$ 64.76
View all 46 Electrical System parts →

Wiring Harness (22 parts)

1127497
WIRE END
US$ 0.36
1138961
END WIRE
US$ 1.28
1213365
HARNESS A
US$ 40.81
1233202
CABLE-STRA
US$ 0.26
1428236
CABLE AS
US$ 9.87
1666159
DUCT-WIRE
US$ 84.84
1666162
DUCT-WIRE
US$ 56.87
1666165
DUCT-WIRE
US$ 69.35
2449642
HARNESS AS
US$ 51.44
2449643
HARNESS AS
US$ 82.53
2449644
HARNESS AS
US$ 186.68
2449657
HARNESS AS
US$ 100.90
2449750
HARNESS AS
US$ 67.07
2527425
HARNESS AS
US$ 104.19
2527455
HARNESS AS
US$ 32.25
View all 22 Wiring Harness parts →

Engine Block (16 parts)

0897338
SLEEVE
US$ 9.16
1085748
SLEEVE
US$ 321.14
1102220
SEAL O RIN
US$ 9.38
1426217
SEAL O RIN
US$ 20.43
1427072
SEAL-O-RIN
US$ 5.51
1979322
LINER
US$ 131.44
2255966
SLEEVE
US$ 40.76
3190785
Shaft
Contact for price
3197401
Shaft
Contact for price
3849907
Shaft
Contact for price
3968374
Cover
Contact for price
4N0342
PLATE
US$ 44.95
4N0685
BEARING
US$ 29.58
4N0848
SLEEVE
US$ 29.01
4N6658
BEARING
US$ 35.36
View all 16 Engine Block parts →

Light/Lamp (12 parts)

1729973
LAMP GP FL
US$ 70.86
2086054
CLAMP-TBO
US$ 6.59
2126932
CLAMP-T'BO
US$ 6.69
2175364
HORN
US$ 54.66
3089779
LIGHT AS
US$ 57.93
3089783
LIGHT ASSE
US$ 57.93
3166409
LAMP AS
US$ 14.92
4P0707
CLAMP AS
US$ 12.13
4V4125
CLAMP
US$ 6.91
6I0213
CLAMP
US$ 44.85
6L3005
CLAMP
US$ 25.13
6L4725
CLAMP
US$ 5.24

Sensor (10 parts)

2042518
SENSOR GP
US$ 124.96
2345013
Sensor
Contact for price
2566453
SENSOR GP-
US$ 38.46
2668650
SENSOR
Contact for price
2746717
SENSOR GP-
US$ 151.50
2768548
SENSOR
US$ 154.65
2769067
SENSOR
Contact for price
2799828
SENSOR GP
US$ 36.42
2799829
SENSOR GP-
US$ 40.81
3009806
SENSOR
Contact for price

Valve Assembly (9 parts)

1537024
VALVE-EXHA
US$ 56.30
1728024
VALVE
US$ 169.00
2113122
SPRING-VAL
US$ 6.64
2265561
INSERT-VAL
US$ 37.34
2365605
VALVE-INTA
US$ 45.87
2479908
SPRING-VAL
US$ 13.07
2803979
INSERT-VAL
US$ 17.01
3487743
BRIDGE-VAL
US$ 28.08
6I0928
WASHER
US$ 0.38

Switch/Relay (7 parts)

1480757
SWITCH AS
US$ 66.95
2313930
RELAY AS
US$ 23.67
2449824
SWITCH-AUX
US$ 198.61
2449973
SWITCH-AUX
US$ 864.12
2605864
SWITCH AS-
US$ 67.57
3470328
RELAY
US$ 61.83
3E5239
RELAY A
US$ 23.67

Hydraulic Valve (7 parts)

1532767
VALVE-BALL
US$ 37.64
1697326
VALVE-BALL
US$ 23.27
2877301
VALVE BALL
US$ 172.63
3270376
VALVE GP-C
US$ 29.95
3274448
VALVE GP-C
US$ 51.35
4201793
Valve
Contact for price
7W4979
VALVE GP
US$ 95.81

Drive Shaft (7 parts)

1051482
SHAFT AS
US$ 479.42
1077373
SHAFT AS
US$ 397.21
1179712
SHAFT
US$ 342.84
2241215
STUBSHAFT
US$ 957.55
2241219
STUBSHAFT
US$ 785.14
2241221
STUBSHAFT
US$ 649.39
3134085
SHAFT AS-R
US$ 332.65

Hydraulic System (7 parts)

1712208
BREAKER AS
US$ 42.18
2111008
ADAPTER AS
US$ 692.03
2249657
ADAPTER AS
US$ 113.71
2721596
ADAPTER AS
US$ 576.70
2883687
BREAKER
US$ 53.54
3106273
BREAKER
US$ 46.55
9M2564
CLAMP
US$ 10.17

Repair Tools (6 parts)

1243295
SLEEVE SHA
US$ 177.08
2345059
SLEEVE-BEA
US$ 325.80
2634920
SLEEVE-INJ
US$ 19.15
3082363
COVER KIT
US$ 12.36
3229821
MARKER KIT
US$ 21.65
3321133
KIT-ISOLAT
US$ 25.78

Air Filter (5 parts)

1112721
FILTER
US$ 0.40
1255835
FILTER
US$ 2.12
1517735
CLEANER GP
US$ 343.18
4798989
Air Filter
Contact for price
4798991
Air Filter
Contact for price

Piston Assembly (4 parts)

1644187
RING-PSTN-
US$ 35.62
1807350
PIN-PISTON
US$ 60.87
2476130
RING-PISTO
US$ 37.39
2502940
RETAINER-P
US$ 4.43

Exhaust System (4 parts)

1809426
MUFFLER
US$ 4,241.78
2506239
MANIFOLD-E
US$ 641.22
2965054
MUFFLER
US$ 5,539.58
3143173
MANIFOLD
US$ 192.62

Hydraulic Hose (3 parts)

1246264
CLAMP-HOSE
US$ 3.73
2177088
HOSE- HUMP
US$ 56.08
3169154
HOSE AS-OI
US$ 43.13

Spring (3 parts)

1087822
RETAINER
US$ 30.70
1229943
RETAINER
US$ 24.97
1361107
RETAINER
US$ 23.54

FAQ

Are these genuine Caterpillar C27 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 C27 before dispatch and covered by a 12-month warranty.

How do I confirm the part number for my C27?
Match the part number on your old part, or send us your machine serial number — WSTPARTS verifies fitment free of charge.

Other Caterpillar models

CAT C18 CAT 3516B CAT 345C CAT 345B CAT C15 CAT 3512 CAT 365B CAT 3306 CAT 330C CAT 325C CAT 330D CAT G3508 CAT G3616 CAT 325D CAT 3412C CAT 3516C CAT G3608 CAT C9 CAT 336D CAT 3056 CAT C175 CAT 3516 CAT 3406C CAT 3616 CAT C7 CAT C44 CAT C13 CAT 3406E CAT C32
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