Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Cummins · Engine
4963857
In stock · ships from Knoxville
This is a fuel injector gasket (seal) for Cummins engines. It seals the joint between the injector and the cylinder head, preventing combustion gas leaks and keeping engine oil and fuel from mixing.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Confirmed for Cummins B6.7 series per Blaine Brothers listing; always verify the exact engine model and injector bore style.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
Replace this gasket any time the injector is removed or if you notice a compression leak, fuel in the oil, or external wetness around the injector bore.
Part Number: 4963857
GASKET INJECTOR
Vendor: MHC Kenworth
Dealer: KP Services Crossville
Compatibility, alternatives, and more
