
Cummins
Cummins 3942966 Genuine Engine Fuel Return Line Tube
Part # CUM3942966$123.03
Ground shipping included in priceAvailable to the contiguous U.S. excluding California
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Diesel supportReal help for the right part
Product details
Description
The Cummins 3942966 Genuine Engine Fuel Return Line Tube will replace the leaking line in your 1998.5-2002 Dodge with 5.9L Diesel Engine. This fuel line mounts to the back of the cylinder head and returns unused fuel to the fuel tank.
Features
- Brand New
- Direct-Fit Replacement
- Genuine OE Component
Complete the job
Build the job. Not just the cart.
Start with the right part, then choose the supporting pieces that help prevent a second teardown or a last-minute parts run.
Choose your supporting parts
Build an install-ready package.
✓

Primary part · includedCummins 3942966 Genuine Engine Fuel Return Line TubeCummins
$123.03