Part number lookup
318C/320C/320L/320N/321B/321C Replacement Parts
Cross-reference and compare 2 replacement listings for OEM / aftermarket part number 318C/320C/320L/320N/321B/321C. Use the product cards below to review price, availability, and fitment before ordering.
2 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- Caterpillar · Caterpillar EXCAVATOR CAT 318C/320C/320L/320N/321B/321C
Frequently Asked Questions
What parts replace OEM number 318C/320C/320L/320N/321B/321C?
This page lists 2 replacement listings indexed under 318C/320C/320L/320N/321B/321C. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 318C/320C/320L/320N/321B/321C?
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 318C/320C/320L/320N/321B/321C 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.