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.
Knox Trailers · Engine
340040
In stock · ships from Knoxville
This is an injector hold-down screw, a bolt that secures the fuel injector clamp in a diesel engine.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It keeps the injector properly seated, preventing fuel leaks and maintaining combustion efficiency. It is commonly replaced when threads are damaged or during injector service on certain Caterpillar engines. This part is listed as an OE replacement for the Caterpillar C15 injector clamp bolt.
Part Number: 340040
INJECTOR HOLD DOWN SCREW
Dealer: Knox Trailers
Compatibility, alternatives, and more
