Merchant 10299 Injector Body Seal Kit | 2004.5-2007 GM 2500HD/3500HD 6.6L Duramax

Features: - Includes 8 injector body seals - Seals injector to cylinder head - Designed for 6.6L Duramax engines - Helps prevent fuel and compression leaks - OEM-style replacement for proper fit - Ideal for injector maintenance or rebuilds - Durable materials for long-lasting seal Complete Set of O-Rings for Duramax Fuel Injectors If you're diving into injector work on your LBZ or LLY Duramax, don’t overlook one of the most important—yet often forgotten—components: the injector body seals. The Merchant Automotive Injector Body Seal Kit is a must-have for any injector removal, replacement, or rebuild on your 2004.5–2007 GM 2500HD or 3500HD 6.6L Duramax. These small but crucial seals are responsible for keeping fuel and combustion gases where they belong, ensuring a proper seal between the injector body and the cylinder head. This kit includes a full set of eight high-quality seals, giving you everything you need for a complete job without hunting down individual components. Whether you're troubleshooting a compression leak, replacing worn injectors, or just refreshing your top end during routine maintenance, these seals ensure you can button things back up with confidence. Merchant Automotive has built a solid reputation for Duramax-specific solutions, and this kit lives up to the name with a direct-fit design and long-lasting durability. Fits: 2004.5, 2005, 2006, 2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax