GM 97188733 Fuel Return Line 01-04 LB7 Duramax

This is a genuine GM Duramax Diesel Factory Fuel Injector Return Line. This return line will only work on the LB7 engines and will work on either bank of the motor.

Sold indiviually, need QTY 2 for whole engine.

Fits: 2001 - 2004 LB7 Duramax