Part number lookup

4D31A Replacement Parts

Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 4D31A. 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
  • Mitsubishi Engine: 4D30,4D31,4D32,4d34,4D31A,4D31T For Caterpillar CAT Excavator: E70B,E110 For KATO Excavator: HD400,HD450,HD510
  • Kato · Kato Excavator HD400-7 HD400V2 HD450
  • Caterpillar · Mitsubishi Engine:4D30,4D31,4D32,4d34,4D31A,4D31T For Caterpillar CAT Excavator:E70B,E110 For KATO Excavator:HD400,HD450,HD510

Frequently Asked Questions

What parts replace OEM number 4D31A?

This page lists 1 replacement listing indexed under 4D31A. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 4D31A?

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 4D31A 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.