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Caterpillar Parts

Aftermarket replacement parts for Caterpillar excavators, bulldozers, loaders and graders, plus C-series engine components. Fitment is confirmed against the machine nameplate or OEM number before payment.

Machine models we cover

Caterpillar 320CCaterpillar 320DCaterpillar 330DCaterpillar 336D

Parts are also sourced to order for models not listed — send your model and OEM number.

Engine PartsSeal Kits & FiltersExcavator Spare Parts

Excavator Spare Parts 10 items

CAT 168-1409 Penetration Bucket Tooth — J400
Caterpillar 320D · Caterpillar 320D2

CAT 168-1409 Penetration Bucket Tooth — J400

OEM: 168-1409 / 1681409
Available · quote per item
CAT 1U3352 Standard Bucket Tooth — J350 (Long Tip)
Caterpillar 320D · Caterpillar 320D2

CAT 1U3352 Standard Bucket Tooth — J350 (Long Tip)

OEM: 1U3352 / 1U-3352
Available · quote per item
CAT 1U3202 Bucket Tooth for PC200-8 / CAT 320D / 320DL
Caterpillar 320D

CAT 1U3202 Bucket Tooth for PC200-8 / CAT 320D / 320DL

OEM: 1U3202 / 1U-3202
Available · quote per item
CAT 9N4352 Heavy Abrasion Bucket Tooth — J350 (ABRASION)
Caterpillar 320D · Caterpillar 320D2

CAT 9N4352 Heavy Abrasion Bucket Tooth — J350 (ABRASION)

OEM: 9N4352 / 9N-4352
Available · quote per item
CAT 154-2701 Excavator Drive Sprocket
Caterpillar 320 · Caterpillar 320D

CAT 154-2701 Excavator Drive Sprocket

OEM: 154-2701
Available · quote per item
CAT 1U3352RC Rock Bucket Tooth — J350 series
Caterpillar 320 · Caterpillar 320D

CAT 1U3352RC Rock Bucket Tooth — J350 series

OEM: 1U3352RC
Available · quote per item
CAT 239-4386 Front Idler Group — 320D / 320D2 / 323D
Caterpillar 320D · Caterpillar 320D2

CAT 239-4386 Front Idler Group — 320D / 320D2 / 323D

OEM: 239-4386 / 2394386
Available · quote per item
CAT 194-1609 Track Link Assembly — 320D (45 Links, Lubricated)
Caterpillar 320D · Caterpillar 320D2

CAT 194-1609 Track Link Assembly — 320D (45 Links, Lubricated)

OEM: 194-1609 / 1941609
Available · quote per item
CAT / Komatsu 163-4143 Track Roller for CAT 320D / Komatsu PC200
Caterpillar 320D · Komatsu PC200-8

CAT / Komatsu 163-4143 Track Roller for CAT 320D / Komatsu PC200

OEM: 163-4143 / 348-1867
Available · quote per item
CAT 126-5062 Track Shoe — 320D (600 mm)
Caterpillar 320D · Caterpillar 320D2

CAT 126-5062 Track Shoe — 320D (600 mm)

OEM: 126-5062 / 1265062
Available · quote per item

Engine Parts 61 items

3066 Engine Overhaul Kit (+0.5 mm) 3066-ENGOV-D for Caterpillar 3066 / S6K Engine
Caterpillar 320B · Caterpillar 320C

3066 Engine Overhaul Kit (+0.5 mm) 3066-ENGOV-D for Caterpillar 3066 / S6K Engine

OEM: 3066ENGOVD / CAC3066ENGOVD
Available · usually $20–200
C6.4 Engine Overhaul Kit (Standard) C6.4-ENGOV-C for Caterpillar 320D / 321D / 323D
Caterpillar 320D · Caterpillar 321D

C6.4 Engine Overhaul Kit (Standard) C6.4-ENGOV-C for Caterpillar 320D / 321D / 323D

OEM: C6.4ENGOVC / CAC6.4ENGOVC
Available · usually $20–200
C6.4 Engine Overhaul Kit (+0.5 mm) C6.4-ENGOV-D for Caterpillar 320D / 321D / 323D
Caterpillar 320D · Caterpillar 321D

C6.4 Engine Overhaul Kit (+0.5 mm) C6.4-ENGOV-D for Caterpillar 320D / 321D / 323D

OEM: C6.4ENGOVD / CAC6.4ENGOVD
Available · usually $20–200
C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D
Caterpillar 320D · Caterpillar 321D

C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D

OEM: C6.4KS3245 / CAC6.4KS3245
Available · usually $20–200
Camshaft Bushing 5I-7527A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7527)
Caterpillar 320B · Caterpillar 320C

Camshaft Bushing 5I-7527A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7527)

OEM: 5I7527 / CA5I7527
Available · usually $20–200
Camshaft Bushing 5I-7528A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7528)
Caterpillar 320B · Caterpillar 320C

Camshaft Bushing 5I-7528A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7528)

OEM: 5I7528 / CA5I7528
Available · usually $20–200
Camshaft Bushing 5I-7529A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7529)
Caterpillar 320B · Caterpillar 320C

Camshaft Bushing 5I-7529A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7529)

OEM: 5I7529 / CA5I7529
Available · usually $20–200
Camshaft 5I-8068A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8068)
Caterpillar 312B · Caterpillar 312C

Camshaft 5I-8068A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8068)

OEM: 5I8068 / CA5I8068
Available · usually $20–200
Cylinder Liner / Sleeve 5I-7523A for Caterpillar 3066 / C6.4 Engine (Replaces 5I-7523)
Caterpillar 312 · Caterpillar 313D

Cylinder Liner / Sleeve 5I-7523A for Caterpillar 3066 / C6.4 Engine (Replaces 5I-7523)

OEM: 5I-7523 / 5I7523
Available · usually $20–200
Connecting Rod Bearing (STD) 294-1748 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1748)
Caterpillar 312D · Caterpillar 313D

Connecting Rod Bearing (STD) 294-1748 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1748)

OEM: 2941748 / CA2941748
Available · usually $20–200
Connecting Rod Bearing Set 5I-7637A1 for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7637)
Caterpillar 320B · Caterpillar 320C

Connecting Rod Bearing Set 5I-7637A1 for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7637)

OEM: 5I7637 / CA5I7637
Available · usually $20–200
Connecting Rod Bolt 094-7154A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 094-7154)
Caterpillar 312C · Caterpillar 312D

Connecting Rod Bolt 094-7154A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 094-7154)

OEM: 0947154 / CA0947154
Available · usually $20–200
Connecting Rod Bushing (Piston Pin) 296-4663 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 296-4663)
Caterpillar 312D · Caterpillar 313D

Connecting Rod Bushing (Piston Pin) 296-4663 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 296-4663)

OEM: 2964663 / CA2964663
Available · usually $20–200
Connecting Rod Bushing 5I-7539A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7539)
Caterpillar 320B · Caterpillar 320C

Connecting Rod Bushing 5I-7539A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7539)

OEM: 5I7539 / CA5I7539
Available · usually $20–200
Crankshaft Thrust Washer 5I-7654A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7654)
Caterpillar 312B · Caterpillar 313D

Crankshaft Thrust Washer 5I-7654A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7654)

OEM: 5I7654 / CA5I7654
Available · usually $20–200
Cylinder Head Gasket 222-8331A for Caterpillar 3066 / S6KT / C6.4 Engine (Replaces 222-8331)
Caterpillar 318C · Caterpillar 319C

Cylinder Head Gasket 222-8331A for Caterpillar 3066 / S6KT / C6.4 Engine (Replaces 222-8331)

OEM: 2228331 / CA2228331
Available · usually $20–200
Cylinder Head Gasket 294-1682 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 294-1682)
Caterpillar 320D · Caterpillar 321D

Cylinder Head Gasket 294-1682 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 294-1682)

OEM: 2941682 / CA2941682
Available · usually $20–200
Cylinder Head Valve Guide 305-4885 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 305-4885)
Caterpillar 312D · Caterpillar 313D

Cylinder Head Valve Guide 305-4885 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 305-4885)

OEM: 3054885 / CA3054885
Available · usually $20–200
Full Gasket Set for CAT 3066 / C6.4 Engine
Caterpillar 320B · Caterpillar 320C

Full Gasket Set for CAT 3066 / C6.4 Engine

OEM: FULL-GASKET-SET
Available · usually $20–200
Engine Oil Filter Gasket 125-2979 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 125-2979)
Caterpillar 312D · Caterpillar 313D

Engine Oil Filter Gasket 125-2979 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 125-2979)

OEM: 1252979 / CA1252979
Available · usually $20–200
Turbocharger for CAT 3066 / C6.4 (320D Class)
Caterpillar 320C · Caterpillar 320D

Turbocharger for CAT 3066 / C6.4 (320D Class)

OEM: TURBO-C6.4 / 205-6741
Available · usually $20–200
Exhaust Manifold Gasket 178-6553A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 178-6553)
Caterpillar 312B · Caterpillar 312C

Exhaust Manifold Gasket 178-6553A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 178-6553)

OEM: 1786553 / CA1786553
Available · usually $20–200
Exhaust Valve 294-1685 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1685)
Caterpillar 312D · Caterpillar 313D

Exhaust Valve 294-1685 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1685)

OEM: 2941685 / CA2941685
Available · usually $20–200
Exhaust Valve 5I-7739A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7739)
Caterpillar 312B · Caterpillar 320

Exhaust Valve 5I-7739A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7739)

OEM: 5I7739 / CA5I7739
Available · usually $20–200
Exhaust Valve Seat Insert 212-8474A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 212-8474)
Caterpillar 924G

Exhaust Valve Seat Insert 212-8474A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 212-8474)

OEM: 2128474 / CA2128474
Available · usually $20–200
Front Crankshaft Oil Seal 5I-7656A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7656)
Caterpillar 312C · Caterpillar 320B

Front Crankshaft Oil Seal 5I-7656A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7656)

OEM: 5I7656 / CA5I7656
Available · usually $20–200
Full Engine Gasket Set (Overhaul Gasket Kit) 5I-7797A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7797)
Caterpillar 318C · Caterpillar 319C

Full Engine Gasket Set (Overhaul Gasket Kit) 5I-7797A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7797)

OEM: 5I7797 / CA5I7797
Available · usually $20–200
Inlet Valve 5I-7738A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7738)
Caterpillar 312B · Caterpillar 320

Inlet Valve 5I-7738A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7738)

OEM: 5I7738 / CA5I7738
Available · usually $20–200
Intake Valve 212-8477A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 212-8477)
Caterpillar 312B · Caterpillar 312C

Intake Valve 212-8477A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 212-8477)

OEM: 2128477 / CA2128477
Available · usually $20–200
Intake Valve 294-1684 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1684)
Caterpillar 312D · Caterpillar 313D

Intake Valve 294-1684 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1684)

OEM: 2941684 / CA2941684
Available · usually $20–200
Intake Valve Guide 183-8172A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 183-8172)
Caterpillar 312B · Caterpillar 312C

Intake Valve Guide 183-8172A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 183-8172)

OEM: 1838172 / CA1838172
Available · usually $20–200
Intake Valve Seat Insert 5I-8011A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8011)
Caterpillar 318C · Caterpillar 320B

Intake Valve Seat Insert 5I-8011A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8011)

OEM: 5I8011 / CA5I8011
Available · usually $20–200
Mounting Rubber Cushion 109-9350 for Caterpillar 318C / 320B / 320C / 325C / 329D (Replaces 109-9350 / 393-1046)
Caterpillar 318C · Caterpillar 319C

Mounting Rubber Cushion 109-9350 for Caterpillar 318C / 320B / 320C / 325C / 329D (Replaces 109-9350 / 393-1046)

OEM: 1099350 / CA1099350
Available · usually $20–200
Two Piece Asymmetric Isolation Rubber Mount 266-6299 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6299)
Caterpillar 312C · Caterpillar 314C

Two Piece Asymmetric Isolation Rubber Mount 266-6299 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6299)

OEM: 2666299 / CA2666299
Available · usually $20–200
Two Piece Asymmetric Isolation Rubber Mount 266-6300 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6300)
Caterpillar 320D · Caterpillar 323D

Two Piece Asymmetric Isolation Rubber Mount 266-6300 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6300)

OEM: 2666300 / CA2666300
Available · usually $20–200
Two Piece Asymmetric Isolation Rubber Mount 266-6301 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6301)
Caterpillar 320D · Caterpillar 323D

Two Piece Asymmetric Isolation Rubber Mount 266-6301 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 266-6301)

OEM: 2666301 / CA2666301
Available · usually $20–200
Main Bearing Set 5I-7588A1 for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7588)
Caterpillar 312 · Caterpillar 320B

Main Bearing Set 5I-7588A1 for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7588)

OEM: 5I7588 / CA5I7588
Available · usually $20–200
Middle Water Hose 7Y-1941A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 7Y-1941)
Caterpillar 320B · Caterpillar 321B

Middle Water Hose 7Y-1941A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 7Y-1941)

OEM: 7Y1941 / CA7Y1941
Available · usually $20–200
Engine Oil Cooler Core 125-2970A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 125-2970)
Caterpillar 318C · Caterpillar 319C

Engine Oil Cooler Core 125-2970A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 125-2970)

OEM: 1252970 / CA1252970
Available · usually $20–200
Oil Pan Gasket 5I-7666A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7666)
Caterpillar 318C · Caterpillar 319C

Oil Pan Gasket 5I-7666A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7666)

OEM: 5I7666 / CA5I7666
Available · usually $20–200
Piston (102 mm, with Rings, STD) 324-4235 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 324-4235)
Caterpillar 320D · Caterpillar 321D

Piston (102 mm, with Rings, STD) 324-4235 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 324-4235)

OEM: 3244235 / CA3244235
Available · usually $20–200
Piston with Pin and Clips 297-7750A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 297-7750)
Caterpillar 924G

Piston with Pin and Clips 297-7750A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 297-7750)

OEM: 2977750 / CA2977750
Available · usually $20–200
Piston with Pin and Clips 297-7753A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 297-7753)
Caterpillar 320C

Piston with Pin and Clips 297-7753A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 297-7753)

OEM: 2977753 / CA2977753
Available · usually $20–200
Piston Pin 094-7134A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 094-7134)
Caterpillar 312B · Caterpillar 312C

Piston Pin 094-7134A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 094-7134)

OEM: 0947134 / CA0947134
Available · usually $20–200
Piston Pin Retainer 5I-7667A (Snap Ring) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7667)
Caterpillar 312B · Caterpillar 320B

Piston Pin Retainer 5I-7667A (Snap Ring) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7667)

OEM: 5I7667 / CA5I7667
Available · usually $20–200
Piston Ring Set 178-6543A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 178-6543)
Caterpillar 312B · Caterpillar 312C

Piston Ring Set 178-6543A (STD) for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 178-6543)

OEM: 1786543 / CA1786543
Available · usually $20–200
Radiator Formed Coolant Hose 7Y-1943 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 7Y-1943)
Caterpillar 320 · Caterpillar 320B

Radiator Formed Coolant Hose 7Y-1943 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 7Y-1943)

OEM: 7Y1943 / CA7Y1943
Available · usually $20–200
Radiator Coolant Hose 7Y-1942 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 7Y-1942)
Caterpillar 320 · Caterpillar 320B

Radiator Coolant Hose 7Y-1942 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 7Y-1942)

OEM: 7Y1942 / CA7Y1942
Available · usually $20–200
Radiator Upper Hose 265-3654 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 265-3654)
Caterpillar 312D · Caterpillar 313D

Radiator Upper Hose 265-3654 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 265-3654)

OEM: 2653654 / CA2653654
Available · usually $20–200
Rear Crankshaft Seal 5I-7660A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7660)
Caterpillar 312C · Caterpillar 320C

Rear Crankshaft Seal 5I-7660A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7660)

OEM: 5I7660 / CA5I7660
Available · usually $20–200
Serpentine Belt (9PK) 519-524 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 519-524)
Caterpillar 320D · Caterpillar 320D2

Serpentine Belt (9PK) 519-524 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 519-524)

OEM: 519524 / CA519524
Available · usually $20–200
Belt (V-Ribbed / Serpentine) 294-1781 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 294-1781)
Caterpillar 320D · Caterpillar 321D

Belt (V-Ribbed / Serpentine) 294-1781 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 294-1781)

OEM: 2941781 / CA2941781
Available · usually $20–200
Tappet (Valve Lifter) 5I-7627A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7627)
Caterpillar 312 · Caterpillar 320

Tappet (Valve Lifter) 5I-7627A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7627)

OEM: 5I7627 / CA5I7627
Available · usually $20–200
Exhaust Valve Guide 183-8173A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 183-8173)
Caterpillar 312B · Caterpillar 312C

Exhaust Valve Guide 183-8173A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 183-8173)

OEM: 1838173 / CA1838173
Available · usually $20–200
Valve Pushrod 294-1716 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1716)
Caterpillar 312D · Caterpillar 313D

Valve Pushrod 294-1716 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 294-1716)

OEM: 2941716 / CA2941716
Available · usually $20–200
Valve Pushrod 5I-7723A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7723)
Caterpillar 312C · Caterpillar 320C

Valve Pushrod 5I-7723A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7723)

OEM: 5I7723 / CA5I7723
Available · usually $20–200
Valve Seat Insert 5I-8012A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8012)
Caterpillar 312 · Caterpillar 312B

Valve Seat Insert 5I-8012A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-8012)

OEM: 5I8012 / CA5I8012
Available · usually $20–200
Valve Seat Insert (Exhaust, 30 mm) 305-4884 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 305-4884)
Caterpillar 312D · Caterpillar 313D

Valve Seat Insert (Exhaust, 30 mm) 305-4884 for Caterpillar CAT C4.2 / C6.4 Engine (Replaces 305-4884)

OEM: 3054884 / CA3054884
Available · usually $20–200
Valve Seat Insert (Inlet, 36 mm) 305-4883 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 305-4883)
Caterpillar 312D · Caterpillar 313D

Valve Seat Insert (Inlet, 36 mm) 305-4883 for Caterpillar CAT C6.4 / 3066 Engine (Replaces 305-4883)

OEM: 3054883 / CA3054883
Available · usually $20–200
Valve Mechanism Spring 5I-7740A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7740)
Caterpillar 312B · Caterpillar 320

Valve Mechanism Spring 5I-7740A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7740)

OEM: 5I7740 / CA5I7740
Available · usually $20–200
Valve Spring Retainer 5I-7625A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7625)
Caterpillar 312 · Caterpillar 320

Valve Spring Retainer 5I-7625A for Caterpillar 3066 / S6K / C6.4 Engine (Replaces 5I-7625)

OEM: 5I7625 / CA5I7625
Available · usually $20–200

Seal Kits & Filters 5 items

CAT 320D Air Filter Element — Outer, C6.4 ACERT
Caterpillar 320D

CAT 320D Air Filter Element — Outer, C6.4 ACERT

OEM: 320D-AIR
Available · usually $20–200
CAT 1R-0751 Fuel Filter / Water Separator — 320D / C6.4 ACERT
Caterpillar 320D · Caterpillar 320D2

CAT 1R-0751 Fuel Filter / Water Separator — 320D / C6.4 ACERT

OEM: 1R-0751 / 1R0751
Available · usually $20–200
Excavator Filter Kit — Air, Hydraulic, Oil & Fuel Filters (CAT / Komatsu / Hitachi)
Caterpillar 320D · Komatsu PC200-8

Excavator Filter Kit — Air, Hydraulic, Oil & Fuel Filters (CAT / Komatsu / Hitachi)

OEM: 479-8991 / 496-9841
Available · usually $20–200
CAT 1R-0739 Engine Oil Filter — 320D / C6.4 ACERT
Caterpillar 320D · Caterpillar 320D2

CAT 1R-0739 Engine Oil Filter — 320D / C6.4 ACERT

OEM: 1R-0739 / 1R0739
Available · usually $20–200
CAT 1R-0716 Fuel Filter / Water Separator
Caterpillar 320C · Caterpillar 320D

CAT 1R-0716 Fuel Filter / Water Separator

OEM: 1R-0716
Available · usually $20–200

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Brand names, logos and OEM numbers are used for fitment reference only. Smile Machinery is an independent supplier of aftermarket replacement parts and is not affiliated with, or authorized by, the equipment manufacturers shown.