Description: These Industrial Injection's OE Reman Performance injectors offer outstanding performance and OE quality. They are perfect for 2001 - 2004 GM vehicles with the LB7 6.6L Duramax engine. Each injector is remanufactured and calibrated by industry experts using Bosch machines and procedures, ensuring top - notch reliability and quality. The injectors come with a new copper crush washer and o - rings for easy installation. Part Number: 0986435502DFXX. Features: Multiple power options available, direct replacement, 1 - year unlimited mileage warranty, improved mileage, and includes copper washers and o - rings. Notes: When replacing injectors in your LB7 Duramax, it's highly recommended to replace the injector fuel lines to prevent new injector contamination. Fuel lines must be replaced or sent in for cleaning to retain the warranty. All Industrial Injection Performance Products are for dedicated competition use only and not legal for on - road, off - road, or dual - use. Complying with state and federal emission standards is the consumer's responsibility.

Using these injectors is straightforward. First, make sure you have all the necessary tools. When installing, remember to use the new copper crush washer and o - rings that come with the injectors. It's really important to replace the injector fuel lines when you change the injectors. This helps avoid any contamination that could damage your new injectors. If you don't want to replace the fuel lines, you can send them in for cleaning, but this is required to keep your warranty valid. These injectors are designed for dedicated competition use only, so don't use them on regular on - road or off - road vehicles. As for maintenance, there's not much you need to do. Just keep an eye on your engine's performance. If you notice any changes, like a drop in power or a change in fuel efficiency, it might be a good idea to have a professional check the injectors. Also, always follow state and federal emission standards to avoid any legal issues.