【Replacement OE Number】: MuHize fuel injector lines set perfect replace 904-126 904-127 904-128 904-129. Manufactured according to the precise dimensions, fully adapted, no modification required 【Compatibility】: MuHize fuel line kit fits for Chevy Chevrolet Silverado 2500HD 3500/GMC Sierra 2500HD 3500 6.6L LB7 Duramax Diesel 2001-2004 【Premium Material】: MuHize fuel injector connector can withstand the high temperature, high pressure and strong vibration in the engine working environment. The steel surface has been specially treated to have excellent corrosion resistance and can maintain good condition even after long-term use  【Improved Performance】: MuHize fuel line adapter kit plays a crucial role in maintaining the hydraulic system's proper functioning. MuHize fuel line can withstand the demands of the engine and provide reliable fuel flow for optimal operation, resulting in improved machine efficiency  【Easy Installation】: Designed for a direct replacement, MuHize fuel injector line is easy to install without the need for specialized tools or professional assistance. This user-friendly feature allows for quick and convenient installation, saving both time and money on potential repair costs Product Specifications: Replacement OE Number: MuHize fuel injector lines set replaces 904-126 904-127 904-128 904-129, no modification required Compatibility: Fits for Chevy Chevrolet Silverado 2500HD 3500/GMC Sierra 2500HD 3500 6.6L LB7 Duramax Diesel 2001-2004 Premium Material: Made to withstand high temperature, high pressure, and strong vibration, excellent corrosion resistance Improved Performance: Ensures reliable fuel flow for optimal operation, leading to improved machine efficiency Easy Installation: Direct replacement design for quick and convenient installation without specialized tools or professional assistance Product Highlights: MuHize Fuel Injector Line Set is the perfect choice for Chevy and GMC vehicles, offering a reliable and durable fuel line kit replacement. Made from premium materials, this fuel injector line can withstand the demands of the engine, ensuring optimal performance and efficiency. Whether you are a DIY enthusiast or a professional mechanic, the easy installation design of MuHize fuel line adapter kit makes it a hassle-free upgrade for your vehicle. Say goodbye to fuel flow issues and enjoy a smoother driving experience with MuHize fuel injector line set. Usage Scenarios: Ideal for Chevy Chevrolet Silverado 2500HD 3500 and GMC Sierra 2500HD 3500 owners looking to enhance the performance and efficiency of their vehicles. Perfect for those seeking a cost-effective and reliable fuel injector line replacement solution that is easy to install and offers improved machine efficiency. Upgrade your vehicle with MuHize fuel injector lines set and experience the difference in fuel flow and overall performance.