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Caterpillar 303E CR Excavator Parts | Aftermarket New, Used and Rebuilt

Caterpillar 303E CR Excavator Parts

New Aftermarket, Used and Rebuilt 303E CR Parts

Looking for Caterpillar 303E CR Excavator parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt 303E CR replacement parts to get your machine back up and running quickly. Give us a call, submit an online quote request or select a category below to browse/select a part.


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1-800-255-6253
303E CR Adapter

Adapter

  • Part #: 119-3205
  • Weight: 3.40
  • Fits Machine(s): 303.5, 426B, 424D, 426C, 428C, 442D, 436C, 434E, 432D, 428D, 438C, 436B, 432E, 428E, 428B, 416D, 422E, 420D, 416C, 416B, 308E, 305E, 305C CR, 305.5E, 304E, 304D CR, 304C CR, 303E CR, 303.5D, 303.5E
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303E CR Alternator

Alternator

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Alternator 12v Volts / 45a Amps, Fits Engine Model: C1.3

Alternator 12v Volts / 45a Amps, Fits Engine Model: C1.3

  • Part #: 4396444
  • Weight: 6.50
  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Arm Rest

Arm Rest

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Arm/Crowd/Dipper Cylinder

Arm/Crowd/Dipper Cylinder

  • Part #: 284-0863
  • Weight: 76.00
  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Arm/Crowd/Dipper Cylinder Seal Kit

Arm/Crowd/Dipper Cylinder Seal Kit

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Back Cushion

Back Cushion

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Bearing

Bearing

  • Part #: 9T4007
  • Weight: 0.15
  • Fits Machine(s): 303.5C, 416D, 416E, 428, 426, 422F, 422E, 420E, 426C, 424D, 420F, 416F, 420D, 416C, 416B, 305E, 414E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5D, 303
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303E CR Bearing Kit

Bearing Kit

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Bearing Sleeve

Bearing Sleeve

  • Part #: 265-8715
  • Weight: 0.50
  • Fits Machine(s): 303.5C, 304E, 304D CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Bearing Sleeve

Bearing Sleeve

  • Part #: 2658716
  • Weight: 0.40
  • Fits Machine(s): 303.5D, 304E, 304D CR, 303E CR, 303C CR, 303.5E, 303.5C
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303E CR Bearing Sleeve,

Bearing Sleeve,

  • Part #: 265-8720
  • Weight: 0.50
  • Fits Machine(s): 303.5D, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5C
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303E CR Bearing, H-link

Bearing, H-link

  • Part #: 266-4051
  • Weight: 0.30
  • Fits Machine(s): 303.5C, 304E, 304D CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Bearings

Bearings

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Bell Housing

Bell Housing

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Boom

Boom

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Boom Cylinder

Boom Cylinder

  • Part #: 198-7021
  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Boom Cylinder Seal Kit

Boom Cylinder Seal Kit

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Bottom Roller

Bottom Roller

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Bucket Cylinder

Bucket Cylinder

  • Part #: 341-0895
  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Bucket Cylinder Seal Kit

Bucket Cylinder Seal Kit

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Bucket Link

Bucket Link

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Bushings

Bushings

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Cab Door

Cab Door

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Cab Glass

Cab Glass

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Cab Hatch

Cab Hatch

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Cab Seat

Cab Seat

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Cab Shell

Cab Shell

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Cap, Fuel

Cap, Fuel

  • Part #: 265-8575
  • Weight: 0.70
  • Fits Machine(s): 303.5C, 308E SR, 308E2 CR, 902C, 903C, 901C, 308E CR, 308E, 305E, 307E, 308D, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Cat Air Filter

Cat Air Filter

  • Part #: 6I2499
  • Weight: 4.35
  • Fits Machine(s): 301.5, CB-214E, CB-22, CB-334D, CB-335D, CB32B, CB22B, CC24B, CB24B, CB-34, CB-334E, CB-214D, 305D CR, 901C, 305, 304D CR, 304C CR, 304.5, 304, 303E CR, 303C CR, 303.5D, 303.5C, 303.5, 302.5, 303
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*Sample Image Shown
303E CR Cat Bucket H Link

Cat Bucket H Link

  • Part #: 168-0015
  • Weight: 120.00
  • Fits Machine(s): 303E CR, 311B, 311C, 311, 312BL, 312B, 312C, 312, E110B, E120B
  • Category(s): Booms & Stick Components
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303E CR Cat Cyl Seal Kit

Cat Cyl Seal Kit

  • Part #: 2797940
  • Weight: 0.50
  • Fits Machine(s): 303.5D, 303E CR, 303.5E, 303C CR
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303E CR Cat Fuel Filter

Cat Fuel Filter

  • Part #: 156-1200
  • Weight: 1.00
  • Fits Machine(s): 216, 303.5, 302.7D, 304C CR, 304, 303C CR, 304.5, 303E CR, 303.5E, 303.5C, 302.5C, 302.5, 302.4D, 301.7D CR, 302.2D, 301.7D, 301.6C, 301.5, 257B, 247B3, 247B, 242B, 232B, 226B3, 226B, 216B, 216B3
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303E CR Clamp, Hose

Clamp, Hose

  • Part #: 9M7959
  • Weight: 0.07
  • Fits Machine(s): 302.5C, 3024C, 305.5, 304C CR, 303C CR, 303.5D, 305.5D, 304E, 303E CR, 303.5E, 3014, 3024, 3013, 301.6C, 3013C, 3011C, 3003, 267, 24H, 287, 2570C, 236, 225D, 1290T, 231D, 224, 1190T, 1090
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303E CR Complete Cab with Interior

Complete Cab with Interior

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Complete Engine

Complete Engine

  • Part #: 194-6903
  • Weight: 500.00
  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Complete Final Drive (Planetary/Travel) with Motor

Complete Final Drive (Planetary/Travel) with Motor

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 292-0176
  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Counterweight

Counterweight

  • Fits Machine(s): 303E CR
  • Category(s): Other
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303E CR Coupler

Coupler

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Crankshaft

Crankshaft

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Cutting Edge

Cutting Edge

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Cylinder Head

Cylinder Head

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Cylinder Packing Kits

Cylinder Packing Kits

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Cylinders
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303E CR Decal Set

Decal Set

  • Fits Machine(s): 303E CR
  • Category(s): Other
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303E CR Digging Bucket

Digging Bucket

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Ditching Bucket

Ditching Bucket

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Door Glass

Door Glass

  • Part #: 2807561
  • Weight: 39.70
  • Fits Machine(s): 303.5C, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Drive Motor ONLY

Drive Motor ONLY

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Element

Element

  • Part #: 6I2500
  • Weight: 1.60
  • Fits Machine(s): 302.5, CB-334E, CB-335D, CB-34, CB32B, CC24B, CB22B, CB24B, CB-214E, CB-334D, CB-214D, CB-22, 903C, 902C, 901C, 305D CR, 304D CR, 304C CR, 303E CR, 303C CR, 303.5D, 303.5, 303.5C
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303E CR Engine Hood

Engine Hood

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Filter Gp

Filter Gp

  • Part #: 1449962
  • Weight: 1.00
  • Fits Machine(s): 216B, 302.5C, 302.7D, 303.5, 303.5C, 304, 304.5, 303E CR, 303.5E, 304C CR, 303C CR, 302.2D, 302.5, 301.7D CR, 301.7D, 302.4D, 301.6C, 301.5, 257B, 247B3, 247B, 242B, 232B, 226B3, 226B, 216B3, 216
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303E CR Final Drive (Planetary/Travel) without Motor

Final Drive (Planetary/Travel) without Motor

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Final Drive, Complete

Final Drive, Complete

  • Part #: 291-9390
  • Weight: 75.00
  • Fits Machine(s): 303.5C, 303E CR, 303.5C CR, 303.5D CR, 303.5D, 303.5E, 303CR, 304D CR, 304E CR
  • Category(s): Final Drives, Other
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303E CR Floating Face Seal

Floating Face Seal

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Fly Wheel

Fly Wheel

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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*Sample Image Shown
303E CR G.e.t. Retainer

G.e.t. Retainer

  • Part #: 8E6209
  • Weight: 0.02
  • Fits Machine(s): 120H, 304, 304.5, 305E, 305.5E, 304E, 304D CR, 307C, 305C CR, 305, 304C CR, 303.5E, 303E CR, 303.5D, 303C CR, 303.5C, 303.5, 140M, 135H, 30/30, 120M, 120K, 120M 2, 120K 2, 120H NA, 120H ES
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303E CR Gear Pump

Gear Pump

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Pumps
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303E CR Glass-lh

Glass-lh

  • Part #: 2811155
  • Weight: 17.50
  • Fits Machine(s): 303.5D, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5C
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303E CR H-Link

H-Link

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Hardware

Hardware

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Hydraulic Kit

Hydraulic Kit

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Hydraulic Oil Cooler

Hydraulic Oil Cooler

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Hydrostatic Pump

Hydrostatic Pump

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Pumps
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303E CR Idler Group

Idler Group

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Injector

Injector

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Kit, Hour Meter

Kit, Hour Meter

  • Part #: 366-4622
  • Weight: 0.40
  • Fits Machine(s): 120K, 312D2 L, 313D, 312E, 312D2, 313D2 LGP, 314D, 313D2, 312E L, 312D L, 312D2 GC, 311D LRR, 312D, 311F LRR, 308E, 308E2 CR, 307E, 305.5E, 303E CR, 305E, 304E, 160K, 140K, 303.5E, 140K 2, 120K 2, 12K
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303E CR Long Block

Long Block

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Main Control Valve

Main Control Valve

  • Fits Machine(s): 303E CR
  • Category(s): Other
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303E CR Main Hydraulic Pump

Main Hydraulic Pump

  • Part #: 194-6468
  • Weight: 70.00
  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Pumps
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303E CR Manifold

Manifold

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Master Link

Master Link

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Master Pin

Master Pin

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Mini Excavator Glass- Front Window

Mini Excavator Glass- Front Window

  • Part #: 2886841
  • Weight: 32.00
  • Fits Machine(s): 303.5C, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Mini Excavator Glass- Glass-rear

Mini Excavator Glass- Glass-rear

  • Part #: 2811154
  • Weight: 25.80
  • Fits Machine(s): 303.5C, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5D, 303.5E
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303E CR Mini Excavator Glass- Lower Front

Mini Excavator Glass- Lower Front

  • Part #: 2811149
  • Weight: 9.30
  • Fits Machine(s): 303.5D, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5C
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303E CR Mini Excavator Glass- Rh Sliding

Mini Excavator Glass- Rh Sliding

  • Part #: 3148295
  • Weight: 21.10
  • Fits Machine(s): 303.5D, 305E, 305D CR, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5C
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303E CR Muffler

Muffler

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Oil Pan

Oil Pan

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Other Attachments

Other Attachments

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Overhaul Kit

Overhaul Kit

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Pilot Pump

Pilot Pump

  • Fits Machine(s): 303E CR
  • Category(s): Hydraulic Pumps
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*Sample Image Shown
303E CR Pin, Lock

Pin, Lock

  • Part #: 8E6208
  • Weight: 0.09
  • Fits Machine(s): 120H, 304, 304D CR, 304.5, 305E, 305.5E, 304E, 307C, 305C CR, 305, 304C CR, 303E CR, 303C CR, 303.5D, 303.5E, 303.5C, 30/30, 303.5, 140M, 135H, 120M, 120K, 120M 2, 120K 2, 120H NA, 120H ES
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303E CR Pins

Pins

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Planetary Gears

Planetary Gears

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR ROPS

ROPS

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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303E CR Radiator

Radiator

  • Part #: 203-4410
  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts, Radiators
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303E CR Recoil Spring Assembly

Recoil Spring Assembly

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Ripper

Ripper

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Rockguard

Rockguard

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Sawhead

Sawhead

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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303E CR Seal Kit,extend

Seal Kit,extend

  • Part #: 235-0354
  • Weight: 0.57
  • Fits Machine(s): 303, 416D, 416E, 432D, 428E, 428C, 424D, 432E, 430D, 428D, 426C, 422E, 420D, 416C, 416B, 305D CR, 305E, 414E, 305C CR, 305.5E, 305.5D, 304E, 304D CR, 304C CR, 303E CR, 303C CR, 303.5E, 303.5C, 303.5D
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303E CR Seals

Seals

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Shaft

Shaft

  • Fits Machine(s): 303E CR
  • Category(s): Final Drives
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303E CR Short Block

Short Block

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Side Shield

Side Shield

  • Fits Machine(s): 303E CR
  • Category(s): Other
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303E CR Sight Glass- Gauge Gp-sight

Sight Glass- Gauge Gp-sight

  • Part #: 3476081
  • Weight: 0.39
  • Fits Machine(s): 1190T, 303E CR, 304, 305.5E, 305.5, 304E, 304C CR, 304.5, 305C, 305.5D, 305, 304D CR, 303C CR, 303.5E, 303.5, 303.5D, 303.5C, 303, 2670C, 2590, 2570C, 2491, 2470C, 2391, 2390, 2290, 1390, 1290T
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303E CR Sprocket

Sprocket

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Starter

Starter

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Stick / Dipper Arm

Stick / Dipper Arm

  • Fits Machine(s): 303E CR
  • Category(s): Booms & Stick Components
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303E CR Swing Bearing / Turntable / Slewing Ring

Swing Bearing / Turntable / Slewing Ring

  • Fits Machine(s): 303E CR
  • Category(s): Swing Machinery
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303E CR Swing Drive with Motor

Swing Drive with Motor

  • Fits Machine(s): 303E CR
  • Category(s): Swing Machinery
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303E CR Swing Drive without Motor

Swing Drive without Motor

  • Fits Machine(s): 303E CR
  • Category(s): Swing Machinery
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303E CR Swing Motor

Swing Motor

  • Fits Machine(s): 303E CR
  • Category(s): Swing Machinery
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303E CR Swivel Joint

Swivel Joint

  • Fits Machine(s): 303E CR
  • Category(s): Swing Machinery
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303E CR Thumb

Thumb

  • Fits Machine(s): 303E CR
  • Category(s): Attachments
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*Sample Image Shown
303E CR Tooth

Tooth

  • Part #: 1U-3202
  • Fits Machine(s): 120H, 303C CR, 304, 303.5E, 303E CR, 305C CR, 305, 304D CR, 304.5, 305E, 305.5E, 304E, 304C CR, 303.5D, 303.5, 303.5C, 212, 205, 206, 140M, 135H, 120M, 120K, 120M 2, 120K 2, 120H NA, 120H ES
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303E CR Top Roller

Top Roller

  • Part #: 193-7070
  • Weight: 7.30
  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Adjuster Assembly

Track Adjuster Assembly

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Adjuster Seal Kit

Track Adjuster Seal Kit

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Adjuster Yoke

Track Adjuster Yoke

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Chain / Rail

Track Chain / Rail

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Frame

Track Frame

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Track Grouser Pad / Shoe

Track Grouser Pad / Shoe

  • Fits Machine(s): 303E CR
  • Category(s): Undercarriages
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303E CR Turbo Charger

Turbo Charger

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Water Pump

Water Pump

  • Fits Machine(s): 303E CR
  • Category(s): Engines & Engine Parts
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303E CR Wiring Harness

Wiring Harness

  • Fits Machine(s): 303E CR
  • Category(s): Cabs
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