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LOCAL VENDOR PURCHASE · Fuel System
SET 3944686,3944688, 3944690, 3944692, 3944694, 3944696
In stock · ships from Knoxville
A complete set of six high-pressure fuel injector supply lines (hard tubes) for Cummins diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
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These metal lines carry fuel from the common rail directly to each injector. Over time they can develop cracks or leaks from vibration and high pressure, causing fuel odors, poor performance, and hard starting. Replacing all six as a set is a common preventive maintenance step to restore even fuel delivery and avoid engine damage.
Part Number: SET 3944686,3944688, 3944690, 3944692, 3944694, 3944696
FUEL TUBE SET CUMMINS
Vendor: LOCAL VENDOR PURCHASE
Dealer: KP Services Crossville
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