Part number lookup

SP138 Replacement Parts

Cross-reference and compare 1 replacement listing for OEM / aftermarket part number SP138. 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

  • Caterpillar · s: Fit For Caterpillar Excavator: 304 C CR, 305 C CR, 305.5D, 305.5E, 305.5E2, 305.5E2 CR, 305.5E2CR, 305E2, 305E2 CR, 305E2CR

Frequently Asked Questions

What parts replace OEM number SP138?

This page lists 1 replacement listing indexed under SP138. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for SP138?

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 SP138 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.