GM 97188721 INJECTION LINE (CYLINDERS 3 & 6) RUNNING BOARDS 2 Kits Required Per Engine

2 Kits Required Per Engine (if replacing all 8 injectors)

6L Duramax LML will support substantial boost pressure in your stock or highly modified truck

The unique air filter to housing interface (PATENT PENDING) allows for maximum filter size which increases the available air volume while simplifying the installation process

deeper cycle capabilities

Replace your torn brake hose with the Russell 672440 Braided Stainless Steel Brake Hose Kit that improves your braking performance over factory rubber brake hoses

GM 97188721 INJECTION LINE (CYLINDERS 3 & 6) RUNNING BOARDS 2 Kits Required Per EngineThe GM 97188721 Injection Line is an OE replacement for your 2001 2004 GM 6. 6L Duramax. Due to the fact that the factory lines are often corroded, it is recommended that they are replaced when injectors are serviced. This line will work on cylinder 3 or 6. Sold individually, quantity of 2 required to cover both cylinder 3 and 6. FEATURES: OE Replacement Sold Individually Fits Cylinder 3 or 6