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CAT 312E parts — Genuine & OEM Replacement Parts

183 part numbers
20 systems
12 months warranty

WSTPARTS supplies 183 genuine and high-quality OEM replacement parts for Caterpillar 312E equipment, covering 20 major systems including Drivetrain, Bolt/Nut, Structure, Seal, Turbocharger. 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.

Related searches

CAT 312E parts · 312E parts · 312E Drivetrain parts · 312E Seal parts · 312E Engine Block parts · 312E genuine parts

Popular part types: injector filter hydraulic pump seal kit turbo belt bearing sensor

312E Drivetrain (37 parts)

0919345
CHECK NPR
US$ 112.07
0919345
CHECK NPR
US$ 112.07
1280382
BEARING-MN
US$ 43.92
1280400
BEARING-MA
US$ 43.92
1960029
GEAR AS
US$ 370.57
2344488
SEAL KIT
US$ 348.30
2344488
SEAL KIT
US$ 348.30
2697846
SEAL-O-RIN
US$ 5.04
2697846
SEAL-O-RIN
US$ 5.04
2738314
SEAL-O-RING
US$ 15.81
2738315
SEAL-O-RING
US$ 13.68
3215639
SEAL-PIP
US$ 29.13
3244488
Gasket
Contact for price
3244489
Gasket
Contact for price
3412839
GEAR
US$ 359.55
View all 37 Drivetrain parts →

312E Bolt/Nut (35 parts)

1146658
WASHER
US$ 0.16
1466317
WASHER
US$ 13.35
1536959
RING - SEA
US$ 7.62
1536959
RING - SEA
US$ 7.62
1591044
RING-RETAI
US$ 9.34
1591044
RING-RETAI
US$ 9.34
1852888
RING-RETAI
US$ 19.55
1852888
RING-RETAI
US$ 19.55
2203373
RING
US$ 21.62
2783381
RING-RETAI
US$ 15.24
2783381
RING-RETAI
US$ 15.24
2M3889
RING
US$ 11.46
2M3889
RING
US$ 11.46
5M6141
RING
US$ 48.72
5M6141
RING
US$ 48.72
View all 35 Bolt/Nut parts →

312E Structure (15 parts)

1407160
PLATE-CLUT
US$ 450.10
1407160
PLATE-CLUT
US$ 450.10
2463144
PLATE-THRU
US$ 31.86
2978403
PLATE-CLUT
US$ 265.26
2978403
PLATE-CLUT
US$ 265.26
3057673
PLATE AS
US$ 22.46
3244053
ADAPTER
US$ 60.39
3277251
BRACKET AS
US$ 18.95
4307160
Plate
Contact for price
9N4333
PLATE
US$ 356.53
9N4333
PLATE
US$ 356.53
9U9829
PLATE
US$ 350.80
9U9829
PLATE
US$ 350.80
9U9844
PLATE-CLUT
US$ 450.10
9U9844
PLATE-CLUT
US$ 450.10

312E Seal (10 parts)

8E3837
SEAL RING
US$ 65.42
8E3837
SEAL RING
US$ 65.42
8E3838
SEAL RING
US$ 66.00
8E3838
SEAL RING
US$ 66.00
9G8718
RING-SEAL
US$ 47.83
9G8718
RING-SEAL
US$ 47.83
9M9729
SEAL O RIN
US$ 8.58
9M9729
SEAL O RIN
US$ 8.58
9N4146
RING SEAL
US$ 57.01
9N4146
RING SEAL
US$ 57.01

312E Turbocharger (6 parts)

1305469
TURBO GP
US$ 2,003.59
2016846
TURBO GP-B
US$ 2,227.19
2558178
TURBO GP-B
US$ 6,204.04
2567737
TURBO GP-B
US$ 3,407.84
2870049
TURBO GP
US$ 1,709.41
2915480
TURBO GP-B
US$ 4,827.78

312E Cooling Fan (5 parts)

1976548
SPIDER AS
US$ 378.71
1976548
SPIDER AS
US$ 378.71
2459344
FAN AS
US$ 728.49
2459344
FAN AS
US$ 728.49
3592658
Fan Drive
Contact for price

312E Engine Block (5 parts)

2255451
ROD AS-GRD
US$ 138.13
2920484
BEARING-RO
US$ 25.22
2P8889
1105800
US$ 132.42
3133996
CRANKSHAFT
US$ 6,775.25
4695315
Cylinder
Contact for price

312E Engine Assembly (4 parts)

1008111
ENGINE ARR
US$ 221,678.13
1008111
ENGINE ARR
US$ 221,678.13
4897907
Engine
Contact for price
4929482
Engine
Contact for price

312E Piston Assembly (4 parts)

2651111
BODY AS-ST
US$ 248.62
3003086
RING-PISTO
US$ 32.51
3882310
Body
Contact for price
4349019
PISTON RING
Contact for price

312E Drive Shaft (3 parts)

1707502
SHAFT-DR I
US$ 258.94
3412831
SHAFT-DRIV
US$ 411.59
3412834
SHAFT-DRIV
US$ 339.36

312E HVAC System (3 parts)

3168916
CONDITION
Contact for price
3N6157
SPACER INP
US$ 77.62
3N6157
SPACER INP
US$ 77.62

312E Pin/Bushing (2 parts)

1466315
PIN
US$ 10.67
2426803
PIN-DOWEL
US$ 3.50

312E Fitting (2 parts)

2064296
TUBE AS
US$ 132.40
3569277
Tube
Contact for price

312E Valve Assembly (2 parts)

2604855
INSERT-VAL
US$ 13.28
2682953
GUIDE-VALV
US$ 12.67

312E Electrical System (2 parts)

2622879
CONT GP-E
US$ 1,782.59
2622879
CONT GP-E
US$ 1,782.59

312E Hydraulic Pump (1 parts)

1086633
PUMP GP
US$ 284.49

312E Radiator (1 parts)

3479292
Radiator
Contact for price

312E Hydraulic System (1 parts)

3739516
SWASHPLATE
Contact for price

312E Cooling System (1 parts)

1p4334
VEE BELT
Contact for price

312E Gasket/Seal (1 parts)

7N2038
CHECK NPR
US$ 4.17

FAQ

Are these genuine Caterpillar 312E 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 312E before dispatch and covered by a 12-month warranty.

How do I confirm the part number for my 312E?
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 320C CAT 320D CAT 3306 CAT 3516B CAT 3512 CAT 345D CAT 345B CAT C18 CAT 330D CAT C15 CAT 345C CAT 365B CAT 330C CAT 325C CAT 325D CAT 336D CAT G3508 CAT 3516C CAT G3616 CAT C9 CAT 3516 CAT 3412C CAT G3608 CAT C13 CAT C7 CAT 3406C CAT 3508C CAT 3512C CAT C175 CAT 3126B
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