Part number lookup
420-1781 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 420-1781. 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 CAT Wheel-Tractor Scraper: 631K, 637K Fit For Caterpillar CAT Truck: 773GC Fit For Caterpillar CAT Rotary Drill: MD6200, MD6250, MD6310 Fit For Caterpillar CAT Load Haul Dump: R2900
Frequently Asked Questions
What parts replace OEM number 420-1781?
This page lists 1 replacement listing indexed under 420-1781. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 420-1781?
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 420-1781 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.