Quick Search Quick Search
We are Here to Help! Call a Parts Expert!
Komatsu Excavator Parts | Aftermarket New, Used and Rebuilt

Komatsu Excavator Replacement Parts

New Aftermarket, Used and Rebuilt Komatsu Excavator Parts

As a leading supplier of Komatsu excavator new aftermarket, used and rebuilt replacements parts, you've come to a right place and we would be honored to serve you. Komatsu makes great, reliable machines, but even the most reliable machines breakdown and require maintenance and repair. This is where AMS Construction Parts comes in. Whether you have ...morea PC100-5, PC300LC-3 or perhaps a PC850-8 we can get your machine back up and running quickly through excellent customer service, fast shipments and we can even cut your costs by selling at the lowest market price. From an undercarriage to final drive to complete cabs and new aftermarket tracks, we have you covered. Give us a call today and let's discuss how we can best serve you.


Our friendly parts specialist are standing by to assist you.
1-800-255-6253

Select Excavator Model

Show All
Don't see your machine?

Select Komatsu Excavator Parts Category

All Komatsu Excavator Parts

Main Hydraulic Pump 708-1T-00132

Main Hydraulic Pump

  • Part #: 708-1T-00132
  • Fits Machine(s): PC45R-8
  • Category(s): Hydraulic Pumps
View Part
Main Hydraulic Pump 708-1T-00520

Main Hydraulic Pump

  • Part #: 708-1T-00520
  • Fits Machine(s): PC45R-8
  • Category(s): Hydraulic Pumps
View Part
Main Hydraulic Pump 708-1T-00521

Main Hydraulic Pump

  • Part #: 708-1T-00521
  • Fits Machine(s): PC45R-8
  • Category(s): Hydraulic Pumps
View Part
Main Hydraulic Pump 708-1T-00522

Main Hydraulic Pump

  • Part #: 708-1T-00522
  • Fits Machine(s): PC45R-8
  • Category(s): Hydraulic Pumps
View Part
Main Hydraulic Pump 708-1T-00523

Main Hydraulic Pump

  • Part #: 708-1T-00523
  • Fits Machine(s): PC45R-8
  • Category(s): Hydraulic Pumps
View Part
Complete Final Drive 843000000

Complete Final Drive

  • Part #: 843000000
  • Weight: 160.00
  • Fits Machine(s): PC45R-8
  • Category(s): Final Drives
View Part
Complete Final Drive 843000206

Complete Final Drive

  • Part #: 843000206
  • Weight: 160.00
  • Fits Machine(s): PC45R-8
  • Category(s): Final Drives
View Part
843000192 843000192

843000192

  • Part #: 843000192
  • Weight: 120.00
  • Fits Machine(s): PC45R-8
  • Category(s): Final Drives
View Part
Outer Bearing TZ310B1022-01

Outer Bearing

  • Part #: TZ310B1022-01
  • Fits Machine(s): PC45R-8
View Part
Piston Kit TZ510B2105-00

Piston Kit

  • Part #: TZ510B2105-00
  • Fits Machine(s): PC45R-8
View Part
Valve Plate TZ550A2009-00

Valve Plate

  • Part #: TZ550A2009-00
  • Fits Machine(s): PC45R-8
View Part
Spur Gear Kit TZ573B1107-00

Spur Gear Kit

  • Part #: TZ573B1107-00
  • Fits Machine(s): PC45R-8
View Part
Output Shaft TZ573B2002-00

Output Shaft

  • Part #: TZ573B2002-00
  • Fits Machine(s): PC45R-8
View Part
Seal 07001-05230

Seal

  • Part #: 07001-05230
  • Fits Machine(s): PC490LC-10
View Part
Fuel Tank 208-04-41114

Fuel Tank

  • Part #: 208-04-41114
  • Weight: 600.00
  • Fits Machine(s): PC490LC-10
View Part
Swing Bearing 208-25-41100

Swing Bearing

  • Part #: 208-25-41100
  • Weight: 1530.00
  • Fits Machine(s): PC490LC-10
  • Category(s): Swing Machinery
View Part
Final Drive, Lh Complete 208-27-00451

Final Drive, Lh Complete

  • Part #: 208-27-00451
  • Fits Machine(s): PC490LC-10
  • Category(s): Final Drives
View Part
Final Drive, Rh Complete 208-27-00461

Final Drive, Rh Complete

  • Part #: 208-27-00461
  • Fits Machine(s): PC490LC-10
  • Category(s): Final Drives
View Part
Carrier 208-27-71160

Carrier

  • Part #: 208-27-71160
  • Fits Machine(s): PC400LC-7L, PC490LC-10
View Part
Bearing 208-27-71220

Bearing

  • Part #: 208-27-71220
  • Fits Machine(s): PC400LC-7E0, PC490LC-10
View Part