Part number lookup
320CU Replacement Parts
Cross-reference and compare 2 replacement listings for OEM / aftermarket part number 320CU. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
2 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- CAT · 320C
- CAT · 320C FM
- CAT · 320C L
- Excavator 320CU
- Caterpillar · Caterpillar CAT 320C E320CL
- Part Number
- Caterpillar Excavator E320C Engine 3066 Hose 178-6557
- ENGINE - MACHINE3066EXCAVATOR320CFORESTRY EXCAVATORS320CFMHW,320CFMSTTRACK EXCAVATORS320C,320CU,320CS,320CL,320CLU Specification: Size:50*60*45
- Caterpillar · CAT Excavator E320C Engine 3066
Frequently Asked Questions
What parts replace OEM number 320CU?
This page lists 2 replacement listings indexed under 320CU. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 320CU?
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 320CU 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.