D37PX-21 Komatsu Carrier Roller (Top Roller) – 11Y-30-00031 - Komatsu Bulldozer
Fits Komatsu D31EX-21, D31PX-21 – OEM Part #11Y-30-00031
DescriptionCarrier Roller (Top Roller) – Komatsu D31EX-21, D31PX-21 (OEM Part #11Y-30-00031). Direct replacement for Komatsu part number 11Y-30-00031.
- Part #
- 11Y-30-00031
- Weight
- 36.40
- Availability
- In stock
- Condition
- New
WARNING : Cancer and Reproductive harm. See www.P65Warnings.ca.gov
*Please call to help verify fitment and always confirm the part number before ordering.
Pricing & Availability
This part is quoted individually — new, rebuilt and used options are often available. Get a fast online quote, or call or text a real parts person.
Quotes answered Mon–Fri 8am–5pm EST
Fits These Machines
Partial list from OEM application data. Not sure? Call or text us with your model and serial number and we’ll verify fitment.
Overview
This carrier roller (top roller) fits Komatsu D31EX-21, D31PX-21. It is supplied as a direct replacement for Komatsu part number 11Y-30-00031.
Compatible OEM Part Number: 11Y-30-00031
Compatible Machines:
Komatsu D31EX-21
Komatsu D31PX-21
Function
The carrier roller mounts on top of the track frame and supports the upper run of the track chain between the sprocket and the idler.
Key Features
- Carrier Roller (Top Roller) for Komatsu D31EX-21, D31PX-21
- Direct replacement for Komatsu part number 11Y-30-00031
Specifications
| Component Type | Carrier Roller |
|---|---|
| Application | Dozer undercarriage / carrier roller |
| OEM Part Number | 11Y-30-00031 |
| Fitment | Komatsu D31EX-21, D31PX-21 (OEM part 11Y-30-00031) |
| Machine Type | Bulldozer |
OEM Cross References
| Part # | Relationship |
|---|---|
| 11080031 | Replaces |
| 11Y-30-00031 | Replaces |
About Our Conditions
| Condition | What you get | Warranty |
|---|---|---|
| New Aftermarket | New aftermarket part made to fit this application, AMS-branded, hardware kit included | 12 months |
| Rebuilt | Professionally rebuilt to spec; refundable core charge, return label provided (30 days, same part number, rebuildable) | 6 months |
| Used | Inspected used take-offs — call or text for current availability and pricing | Call for details |
| Not all inventory / options shown. Our goal is to provide new, rebuilt and used options! Call or get a quick quote! |
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