DORMAN 904-156 FUEL INJECTOR LINE (CYLINDER 4 & 5) 2007.5-2010 GM 6.6L DURAMAX LMM

Detailed Applications

Product Specifications

OE Numbers

The Dorman 904-156 Fuel Injector Line is meticulously crafted for the 2007.5-2010 GM 6.6L Duramax LMM diesel engines, specifically designed to replace the fuel injector lines for cylinders 4 and 5. This direct replacement component mirrors the original line's fit and design, ensuring seamless integration into your vehicle's fuel system. Each package includes vehicle-specific mounting hardware, streamlining the installation process for a hassle-free experience.

Constructed with robust materials through an advanced hardening process, this fuel injector line is engineered to endure high pressure, reaching up to 25,000 PSI, typical of demanding engine operations. Given that fuel injector lines utilize a one-time-use, crushable seal, it is critical to replace the entire line to maintain an optimal seal and prevent fuel leaks, ensuring engine efficiency and performance.

This cost-effective solution is rigorously quality-tested, offering a reliable alternative to dealership prices while maintaining high manufacturing standards. The line features female threaded fittings with specific thread sizes of M14 x 1.5 for the inlet and M18 x 1.5 for the outlet, both in a metric coarse thread type, optimized for durability and leak prevention.

With an outside diameter of 8 mm and an inside diameter of 0.142 in, the Dorman fuel injector line measures a compact 4.5 inches in length. Its sleek silver finish, complemented by zinc fittings, not only enhances the component's appearance but also contributes to its corrosion resistance.

Whether a professional mechanic or a DIY enthusiast, the Dorman 904-156 Fuel Injector Line promises reliable performance and peace of mind, making it a vital part for maintaining the efficiency of your Duramax engine. Embrace a seamless, effective repair with this essential replacement part.