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.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.