By A Mystery Man Writer
Replacement fuel injector hard line for injectors 4 or 5 on the Duramax LB7 engine. Fuel lines are prone to small cracks at the mating surfaces at the
Fuel Injector Line [4 & 5] (LB7)
replacing RUSTY leaking fuel lines so you can drive with CONFIDENCE
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Fuel injector replacement on a 2014 Chevy Impala 3.6L