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Cummins · Fuel System
3943773
In stock · ships from Knoxville
This is the high-pressure fuel injector supply line for cylinder #5 on 1998.5 to 2002 Dodge Ram trucks with the 5.9L 24-valve Cummins ISB diesel engine.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
Ram
Ram
This line is specific to cylinder #5. It will not fit other cylinders or earlier 12-valve engines. Verify engine build date (mid-1998.5 and later) before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
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It connects the VP44 injection pump to the number 5 injector connector tube, delivering pressurized fuel for combustion. Over time these steel lines can crack, leak, or become damaged during injector or pump service; replacement with a genuine Cummins line restores proper fuel delivery and prevents performance issues.
Part Number: 3943773
CUMMINS FUEL TUBE # 5
Vendor: MHC Kenworth
Dealer: KP Services Crossville
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