Part number lookup
CA7Y-1978 Replacement Parts
Cross-reference and compare 2 replacement listings for OEM / aftermarket part number CA7Y-1978. 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 · s:for Caterpillar Excavator: 350, 350 L
- Part Number
- Caterpillar Excavator CAT 350 350 L Engine 3306 Muffler Silencer 7Y-1978
- Engine:3306 Model:Caterpillar Excavator CAT 350 350 L See Details: 350 &350 L Excavators 2ZL00001-UP (MACHINE) POWERED BY 3306 Engine 350 &350 L Excavators 8HK00001-UP (MACHINE) POWERED BY 3306 Engine 350 350L TRACK-TYPE EXCAVATORS 7RK00001-UP (MACHINE) POWERED BY 3306 ENGINE
Frequently Asked Questions
What parts replace OEM number CA7Y-1978?
This page lists 2 replacement listings indexed under CA7Y-1978. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for CA7Y-1978?
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 CA7Y-1978 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.

