Part number lookup
SD4661 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number SD4661. 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 · Challenger 35
- Caterpillar · Challenger 45
- Caterpillar · Challenger 55
- Caterpillar
- Caterpillar · s:For Caterpillar CAT Agricultural Tractor:Challenger 35, Challenger 45, Challenger 55
Frequently Asked Questions
What parts replace OEM number SD4661?
This page lists 1 replacement listing indexed under SD4661. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for SD4661?
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 SD4661 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.