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

Swing Drive with Motor RSM03260

Swing Drive with Motor

  • Fits Machine(s): PC75UU-2
  • Category(s): Swing Machinery
View Part
Swing Motor RSM03262

Swing Motor

  • Fits Machine(s): PC200-8
  • Category(s): Swing Machinery
View Part
Swing Drive with Motor RSM03263

Swing Drive with Motor

  • Fits Machine(s): PC200LC-8
  • Category(s): Swing Machinery
View Part
Long Block RSM03264

Long Block

  • Fits Machine(s): PC220LC-7L
  • Category(s): Engines & Engine Parts
View Part
Track Chain / Rail RSM03275

Track Chain / Rail

  • Fits Machine(s): PC300LC-8
  • Category(s): Undercarriages
View Part
Swing Motor RSM03290

Swing Motor

  • Fits Machine(s): PC78US-6
  • Category(s): Swing Machinery
View Part
Swing Drive without Motor RSM03291

Swing Drive without Motor

  • Fits Machine(s): PC78US-6
  • Category(s): Swing Machinery
View Part
Overhaul Kit RSM03293

Overhaul Kit

  • Fits Machine(s): PC78US-6
  • Category(s): Engines & Engine Parts
View Part
Recoil Spring Assembly RSM03294

Recoil Spring Assembly

  • Fits Machine(s): PC45R-8
  • Category(s): Undercarriages
View Part
Track Adjuster Assembly RSM03295

Track Adjuster Assembly

  • Fits Machine(s): PC45R-8
  • Category(s): Undercarriages
View Part
Track Chain / Rail RSM03300

Track Chain / Rail

  • Fits Machine(s): PC100-5
  • Category(s): Undercarriages
View Part
Track Chain / Rail RSM03301

Track Chain / Rail

  • Fits Machine(s): PC100-2
  • Category(s): Undercarriages
View Part
Overhaul Kit RSM03303

Overhaul Kit

  • Fits Machine(s): PC75UU-2
  • Category(s): Engines & Engine Parts
View Part
Top Roller RSM03310

Top Roller

  • Fits Machine(s): PC228USLC-2
  • Category(s): Undercarriages
View Part
Radiator RSM03314

Radiator

  • Fits Machine(s): PC400LC-6
  • Category(s): Engines & Engine Parts, Radiators
View Part
Other Cabs RSM03321

Other Cabs

  • Fits Machine(s): PC210LC-6
  • Category(s): Cabs
View Part
Other Undercarriages RSM03339

Other Undercarriages

  • Fits Machine(s): PC270-8
  • Category(s): Undercarriages
View Part
Drive Motor Only (high Sn) 708-2F-00020

Drive Motor Only (high Sn)

  • Part #: 708-2F-00020
  • Weight: 175.00
  • Fits Machine(s): PC150-3, PC150HD-5K, PC150LC-1, PC150LC-3, PC150NHD-5K, PC158US-2, PC158USLC-2, PC160LC-7K KA, PC160LC-7K, PC160LC-7, PC160LC-8 LGP, PC160LC-8, PC160LC-LGP, PC180LC-5K, PC180LC-7K-E0, PC180LC-7, PC180LLC-5K, PC180NLC-5K, PC190LC-KU-8, PC190NLC-8, PC200-3, PC200-5, PC200-6, PC200-7, PC200-8, PC200LC-3, PC200LC-5, PC200LC-6, PC200LC-7, PC200LC-8, PC200LL-6, PC200Z-6LE, PC210-5, PC210-6, PC210-7, PC210-8, PC210LC-6, PC210LC-7K, PC210NLC-7K, PC210NLC-8, PC220-3, PC220-5, PC220-6, PC220LC-3, PC220LC-5, PC220LC-6, PC220LC-7L, PC220LC-7, PC228US-3EO-D, PC228USLC-1, PC228USLC-2, PC228USLC-3EO-D, PC228USLC-3, PC228UU-1, PC230NHD-8K, PC240-3K, PC240-5, PC240-6, PC240LC-5, PC240LC-7, PC240LC-8, PC240NLC-5K, PC240NLC-6K, PC240NLC-7, PC250LC-6, PC270LC-7L, PC290LC-7K, PC290LC-7, PC290LC-8K, PC290LC-8, PC300-3, PC300-7, PC300LC-3, PC300LC-7, PC308USLC-3, PC340LC-7K-E0, PC340LC-7, PC340NLC-7K-E0, PC340NLC-7K, PC350LC-8, PC350NLC-8, PC380LC-7K
  • Category(s): Final Drives
View Part
Drive Motor Only (high Sn) 708-7F-00020

Drive Motor Only (high Sn)

  • Part #: 708-7F-00020
  • Weight: 175.00
  • Fits Machine(s): PC150-3, PC150HD-5K, PC150LC-1, PC150LC-3, PC150NHD-5K, PC158US-2, PC158USLC-2, PC160LC-7K KA, PC160LC-7K, PC160LC-7, PC160LC-8 LGP, PC160LC-8, PC160LC-LGP, PC180LC-5K, PC180LC-7K-E0, PC180LC-7, PC180LLC-5K, PC180NLC-5K, PC190LC-KU-8, PC190NLC-8, PC200-3, PC200-5, PC200-6, PC200-7, PC200-8, PC200LC-3, PC200LC-5, PC200LC-6, PC200LC-7, PC200LC-8, PC200LL-6, PC200Z-6LE, PC210-5, PC210-6, PC210-7, PC210-8, PC210LC-6, PC210LC-7K, PC210NLC-7K, PC210NLC-8, PC220-3, PC220-5, PC220-6, PC220LC-3, PC220LC-5, PC220LC-6, PC220LC-7L, PC220LC-7, PC228US-3EO-D, PC228USLC-1, PC228USLC-2, PC228USLC-3EO-D, PC228USLC-3, PC228UU-1, PC230NHD-8K, PC240-3K, PC240-5, PC240-6, PC240LC-5, PC240LC-7, PC240LC-8, PC240NLC-5K, PC240NLC-6K, PC240NLC-7, PC250LC-6, PC270LC-7L, PC290LC-7K, PC290LC-7, PC290LC-8K, PC290LC-8, PC300-3, PC300-7, PC300LC-3, PC300LC-7, PC308USLC-3, PC340LC-7K-E0, PC340LC-7, PC340NLC-7K-E0, PC340NLC-7K, PC350LC-8, PC350NLC-8, PC380LC-7K
  • Category(s): Final Drives
View Part
Drive Motor Only (high Sn) 708-8F-00060

Drive Motor Only (high Sn)

  • Part #: 708-8F-00060
  • Weight: 175.00
  • Fits Machine(s): PC150-3, PC150HD-5K, PC150LC-1, PC150LC-3, PC150NHD-5K, PC158US-2, PC158USLC-2, PC160LC-7K KA, PC160LC-7K, PC160LC-7, PC160LC-8 LGP, PC160LC-8, PC160LC-LGP, PC180LC-5K, PC180LC-7K-E0, PC180LC-7, PC180LLC-5K, PC180NLC-5K, PC190LC-KU-8, PC190NLC-8, PC200-3, PC200-5, PC200-6, PC200-7, PC200-8, PC200LC-3, PC200LC-5, PC200LC-6, PC200LC-7, PC200LC-8, PC200LL-6, PC200Z-6LE, PC210-5, PC210-6, PC210-7, PC210-8, PC210LC-6, PC210LC-7K, PC210NLC-7K, PC210NLC-8, PC220-3, PC220-5, PC220-6, PC220LC-3, PC220LC-5, PC220LC-6, PC220LC-7L, PC220LC-7, PC228US-3EO-D, PC228USLC-1, PC228USLC-2, PC228USLC-3EO-D, PC228USLC-3, PC228UU-1, PC230NHD-8K, PC240-3K, PC240-5, PC240-6, PC240LC-5, PC240LC-7, PC240LC-8, PC240NLC-5K, PC240NLC-6K, PC240NLC-7, PC250LC-6, PC270LC-7L, PC290LC-7K, PC290LC-7, PC290LC-8K, PC290LC-8, PC300-3, PC300-7, PC300LC-3, PC300LC-7, PC308USLC-3, PC340LC-7K-E0, PC340LC-7, PC340NLC-7K-E0, PC340NLC-7K, PC350LC-8, PC350NLC-8, PC380LC-7K
  • Category(s): Final Drives
View Part