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 · Fuel System
3943769
In stock · ships from Knoxville
This is a high-pressure fuel injection line designed specifically for cylinder number three on 1998.5–2002 Dodge Ram trucks with the 5.9L 24-valve Cummins diesel engine.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 4 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Ram
Ram
Specifically for engines equipped with the VP44 high-pressure injection system. Always verify fitment by engine serial number.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It routes fuel from the VP44 injection pump to the number three injector. You would replace this line if your original is damaged, corroded, cracked, or leaking, as proper line condition is critical for maintaining correct injection timing and fuel delivery to the engine.
Part Number: 3943769
#3 INJECTOR LINE CUMMINS
Vendor: Premier Freightliner
Dealer: KP Services Crossville
Compatibility, alternatives, and more
