Part number lookup

AR6680 Replacement Parts

Cross-reference and compare 1 replacement listing for OEM / aftermarket part number AR6680. 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 M915 M916A1 M939 RingsCUMMINSProduct Description: CUMMINS NT855,NH250 Piston Ring
  • Cummins · Fits M915 M916A1 M939 Rings CUMMINS

Frequently Asked Questions

What parts replace OEM number AR6680?

This page lists 1 replacement listing indexed under AR6680. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for AR6680?

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 AR6680 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.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.