Part number lookup
M939A1 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number M939A1. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
1 Matching Product
Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Fits Cummins ISC/ISBFor the M939,M939A1,M939A2,M923,M931,M936,M925 as well as other M939 series 5-ton vehicles.
- Cummins · the M939,M939A1,M939A2,M923,M931,M936,M925 as well as other M939 series 5-ton vehicles.
Frequently Asked Questions
What parts replace OEM number M939A1?
This page lists 1 replacement listing indexed under M939A1. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for M939A1?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if M939A1 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.