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Komatsu PC300-5 Excavator Parts | Aftermarket New, Used and Rebuilt

Komatsu PC300-5 Excavator Parts

New Aftermarket, Used and Rebuilt PC300-5 Parts

Looking for Komatsu PC300-5 Excavator parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt PC300-5 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
PC300-5 32" Track Pads

32" Track Pads

  • Part #: KM1643/800
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Undercarriages
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PC300-5 Alternator

Alternator

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Arm Rest

Arm Rest

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Arm/Crowd/Dipper Cylinder

Arm/Crowd/Dipper Cylinder

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Arm/Crowd/Dipper Cylinder Seal Kit

Arm/Crowd/Dipper Cylinder Seal Kit

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Back Cushion

Back Cushion

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Bearing Kit

Bearing Kit

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Bearings

Bearings

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Bell Housing

Bell Housing

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Boom

Boom

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Boom Cylinder

Boom Cylinder

  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Boom Cylinder Seal Kit

Boom Cylinder Seal Kit

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Bottom Roller

Bottom Roller

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Bucket Cylinder

Bucket Cylinder

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Bucket Cylinder Seal Kit

Bucket Cylinder Seal Kit

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Bucket Link

Bucket Link

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Bushing

Bushing

  • Part #: 207.63.76170
  • Weight: 3.30
  • Fits Machine(s): PC300, PC350, PC300LC-5, PC300LC-6, PC300LC-8, PC300-1, PC300-2, PC300-3, PC300-5, PC300-6
  • Category(s): Hydraulic Cylinders, Other
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PC300-5 Bushings

Bushings

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Cab Door

Cab Door

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Cab Glass

Cab Glass

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Cab Hatch

Cab Hatch

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Cab Seat

Cab Seat

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Cab Shell

Cab Shell

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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*Sample Image Shown
PC300-5 Comp. Door L/h, Rear, with Latch & Hinge

Comp. Door L/h, Rear, with Latch & Hinge

  • Part #: 20Y-54-25932
  • Weight: 47.00
  • Fits Machine(s): PC200-3, PC200-5, PC200-6, PC200LC-3, PC200LC-5, PC200LC-6, PC220-3, PC220-5, PC220-6, PC220LC-3, PC220LC-5, PC220LC-6, PC250-6, PC250LC-6, PC300-3, PC300-5, PC300-6, PC300LC-3, PC300LC-5, PC300LC-6
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*Sample Image Shown
PC300-5 Comp. Door R/h, Rear, with Latch & Hinge

Comp. Door R/h, Rear, with Latch & Hinge

  • Part #: 20Y-54-25922
  • Weight: 47.00
  • Fits Machine(s): PC200-3, PC200-5, PC200-6, PC200LC-3, PC200LC-5, PC200LC-6, PC220-3, PC220-5, PC220-6, PC220LC-3, PC220LC-5, PC220LC-6, PC250-6, PC250LC-6, PC300-3, PC300-5, PC300-6, PC300LC-3, PC300LC-5, PC300LC-6
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PC300-5 Complete Cab with Interior

Complete Cab with Interior

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Complete Engine

Complete Engine

  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Engines & Engine Parts
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PC300-5 Complete Final Drive (Planetary/Travel) with Motor

Complete Final Drive (Planetary/Travel) with Motor

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 208-27-00100
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 208-27-00101
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 208-27-00102
  • Weight: 1850.00
  • Fits Machine(s): PC300-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 208-27-00104
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Counterweight

Counterweight

  • Fits Machine(s): PC300-5
  • Category(s): Other
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PC300-5 Coupler

Coupler

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Crankshaft

Crankshaft

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Cutting Edge

Cutting Edge

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Cylinder Head

Cylinder Head

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Cylinder Packing Kits

Cylinder Packing Kits

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Cylinders
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PC300-5 Decal Set

Decal Set

  • Fits Machine(s): PC300-5
  • Category(s): Other
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PC300-5 Digging Bucket

Digging Bucket

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Ditching Bucket

Ditching Bucket

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Drive Motor ONLY

Drive Motor ONLY

  • Part #: 708-8J-00032
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Drive Motor Only

Drive Motor Only

  • Part #: 708-8J-00034
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Drive Motor Only

Drive Motor Only

  • Part #: 708-8K-00031
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Drive Motor Only

Drive Motor Only

  • Part #: 708-8K-00032
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Engine Hood

Engine Hood

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Final Drive

Final Drive

  • Part #: 208-27-00103
  • Weight: 1850.00
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (Planetary/Travel) without Motor

Final Drive (Planetary/Travel) without Motor

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00100
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00101
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00102
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00103
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00104
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Final Drive (planetary/travel Drive) without Motor

Final Drive (planetary/travel Drive) without Motor

  • Part #: 207-27-00105
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Floating Face Seal

Floating Face Seal

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Fly Wheel

Fly Wheel

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Gear Pump

Gear Pump

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Pumps
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PC300-5 H-Link

H-Link

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Hardware

Hardware

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Hydraulic Kit

Hydraulic Kit

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Hydraulic Oil Cooler

Hydraulic Oil Cooler

  • Part #: 208-03-51120
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Engines & Engine Parts
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PC300-5 Hydrostatic Pump

Hydrostatic Pump

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Pumps
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PC300-5 Idler Group

Idler Group

  • Part #: 207-30-00160
  • Weight: 418.00
  • Fits Machine(s): PC300-3, PC300-5, PC300-6, PC300LC-3, PC300LC-5, PC300LC-6
  • Category(s): Undercarriages
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PC300-5 Injector

Injector

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Long Block

Long Block

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Main Control Valve

Main Control Valve

  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Other
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PC300-5 Main Hydraulic Pump

Main Hydraulic Pump

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Pumps
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PC300-5 Manifold

Manifold

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Master Link

Master Link

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Master Pin

Master Pin

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Muffler

Muffler

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Oil Cooler Assy

Oil Cooler Assy

  • Part #: 207-03-51120
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Engines & Engine Parts
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PC300-5 Oil Pan

Oil Pan

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Other Engines

Other Engines

  • Part #: 2070152232
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Engines & Engine Parts
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PC300-5 Overhaul Kit

Overhaul Kit

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Pc300-5 Travel Motor

Pc300-5 Travel Motor

  • Part #: 708-8J-00033
  • Fits Machine(s): PC300-5, PC300LC-5, PC400-5, PC400LC-5
  • Category(s): Final Drives
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PC300-5 Pilot Pump

Pilot Pump

  • Fits Machine(s): PC300-5
  • Category(s): Hydraulic Pumps
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PC300-5 Pins

Pins

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Planetary Gears

Planetary Gears

  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Final Drives
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PC300-5 ROPS

ROPS

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Radiator

Radiator

  • Part #: 207-03-51110
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Engines & Engine Parts, Radiators
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PC300-5 Radiator

Radiator

  • Part #: 207-03-51111
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Engines & Engine Parts, Radiators
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PC300-5 Recoil Spring

Recoil Spring

  • Part #: 207-30-54141
  • Weight: 232.25
  • Fits Machine(s): PC300-5, PC300-6, PC300LC-5, PC380LC-6, PC400-5, PC400HD-6LK, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6, PC450-6, PC450LC-6
  • Category(s): Undercarriages
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PC300-5 Recoil Spring

Recoil Spring

  • Part #: 208-30-54140
  • Weight: 327.40
  • Fits Machine(s): PC300-5, PC300-6, PC300LC-5, PC380LC-6, PC400-5, PC400HD-6LK, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6, PC450-6, PC450LC-6
  • Category(s): Undercarriages
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PC300-5 Recoil Spring Assembly

Recoil Spring Assembly

  • Part #: 208-30-68430
  • Fits Machine(s): PC300-5, PC300-6, PC300LC-5, PC380LC-6, PC400-5, PC400HD-6LK, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6, PC450-6, PC450LC-6
  • Category(s): Undercarriages
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PC300-5 Ripper

Ripper

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Rockguard

Rockguard

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Sawhead

Sawhead

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Seals

Seals

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Shaft

Shaft

  • Fits Machine(s): PC300-5
  • Category(s): Final Drives
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PC300-5 Short Block

Short Block

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Side Shield

Side Shield

  • Fits Machine(s): PC300-5
  • Category(s): Other
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*Sample Image Shown
PC300-5 Spring, Recoil

Spring, Recoil

  • Part #: 207-30-54140
  • Weight: 238.70
  • Fits Machine(s): PC250LC-6, PC270LC-6, PC300-5, PC300-6, PC300LC-5, PC340LC-6, PC300LC-6, PC340NLC-6
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PC300-5 Sprocket

Sprocket

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Starter

Starter

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Stick / Dipper Arm

Stick / Dipper Arm

  • Fits Machine(s): PC300-5
  • Category(s): Booms & Stick Components
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PC300-5 Swing Bearing / Turntable / Slewing Ring

Swing Bearing / Turntable / Slewing Ring

  • Part #: 207-25-51100
  • Weight: 1005.00
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Swing Machinery
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PC300-5 Swing Bearing / Turntable / Slewing Ring

Swing Bearing / Turntable / Slewing Ring

  • Part #: 207-25-51101
  • Weight: 1028.00
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Swing Machinery
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PC300-5 Swing Bearing / Turntable / Slewing Ring

Swing Bearing / Turntable / Slewing Ring

  • Part #: 207-25-52100
  • Weight: 1028.00
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Swing Machinery
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PC300-5 Swing Bearing / Turntable / Slewing Ring

Swing Bearing / Turntable / Slewing Ring

  • Part #: 207-25-A1100
  • Weight: 1028.00
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Swing Machinery
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PC300-5 Swing Drive with Motor

Swing Drive with Motor

  • Fits Machine(s): PC300-5
  • Category(s): Swing Machinery
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PC300-5 Swing Drive without Motor

Swing Drive without Motor

  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Swing Machinery
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PC300-5 Swing Motor

Swing Motor

  • Fits Machine(s): PC300-5
  • Category(s): Swing Machinery
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PC300-5 Swivel Joint

Swivel Joint

  • Fits Machine(s): PC300-5
  • Category(s): Swing Machinery
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PC300-5 Thumb

Thumb

  • Fits Machine(s): PC300-5
  • Category(s): Attachments
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PC300-5 Top Roller

Top Roller

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Adjuster Assembly

Track Adjuster Assembly

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Adjuster Seal Kit

Track Adjuster Seal Kit

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Adjuster Yoke

Track Adjuster Yoke

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Chain / Rail

Track Chain / Rail

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Frame

Track Frame

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Track Grouser Pad / Shoe

Track Grouser Pad / Shoe

  • Fits Machine(s): PC300-5
  • Category(s): Undercarriages
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PC300-5 Turbo Charger

Turbo Charger

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Water Pump

Water Pump

  • Fits Machine(s): PC300-5
  • Category(s): Engines & Engine Parts
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PC300-5 Wiring Harness

Wiring Harness

  • Fits Machine(s): PC300-5
  • Category(s): Cabs
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PC300-5 Yoke

Yoke

  • Part #: 207-30-54110
  • Fits Machine(s): PC300-5, PC300-7, PC300LC-5, PC400-5, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6
  • Category(s): Undercarriages
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PC300-5 Yoke

Yoke

  • Part #: 208-30-54111
  • Fits Machine(s): PC300-5, PC300-7, PC300LC-5, PC400-5, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6
  • Category(s): Undercarriages
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PC300-5 Yoke, Pc300-6

Yoke, Pc300-6

  • Part #: 207-30-54111
  • Weight: 135.30
  • Fits Machine(s): PC250LC-6, PC270LC-6, PC300-5, PC300-6, PC300LC-5
  • Category(s): Undercarriages
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