
- Gold Series Excellence: This injector represents the pinnacle of Bostech's remanufacturing process, surpassing the already high standards of their Silver Series.
- Precision Remanufacturing: Each injector is fully disassembled. Every component is thoroughly cleaned, inspected, and tested to ensure peak performance. High-wear parts are replaced with new ones, and all mating surfaces are precisely polished and lapped for a perfect fit.
- Comprehensive Testing: Assembled in a clean room environment, each injector undergoes a multi-point inspection before a final "End-of-the-Line" test. This rigorous testing checks for proper fuel flow, spray pattern, electrical timing, backflow, and leaks, guaranteeing reliable and efficient operation.
- Stock Replacement: Engineered to be a direct replacement for your LLY Duramax, ensuring a seamless installation.
- Peace of Mind: Backed by a 2-year, unlimited mileage warranty, you can trust in the long-term durability and performance of your investment.

Boost your 2004.5-2005 GM 6.6L Duramax LLY engine's performance with the Bostech DE610165 Gold Series Remanufactured Fuel Injector. This isn't just a replacement part; it's a meticulously crafted component designed to restore and even improve your engine's fuel delivery system. As an upgrade from the Silver Series, the Gold Series undergoes a rigorous remanufacturing process to ensure it meets or exceeds original equipment (OE) specifications. By choosing a remanufactured injector, you're getting a part that has been expertly rebuilt and tested, offering a cost-effective alternative to a brand-new injector without sacrificing quality or reliability.
Gold Series Excellence: This injector represents the pinnacle of Bostech's remanufacturing process, surpassing the already high standards of their Silver Series.
Precision Remanufacturing: Each injector is fully disassembled. Every component is thoroughly cleaned, inspected, and tested to ensure peak performance. High-wear parts are replaced with new ones, and all mating surfaces are precisely polished and lapped for a perfect fit.
Comprehensive Testing: Assembled in a clean room environment, each injector undergoes a m[...]
- Gold Series Excellence: This injector represents the pinnacle of Bostech's remanufacturing process, surpassing the already high standards of their Silver Series.
- Precision Remanufacturing: Each injector is fully disassembled. Every component is thoroughly cleaned, inspected, and tested to ensure peak performance. High-wear parts are replaced with new ones, and all mating surfaces are precisely polished and lapped for a perfect fit.
- Comprehensive Testing: Assembled in a clean room environment, each injector undergoes a multi-point inspection before a final "End-of-the-Line" test. This rigorous testing checks for proper fuel flow, spray pattern, electrical timing, backflow, and leaks, guaranteeing reliable and efficient operation.
- Stock Replacement: Engineered to be a direct replacement for your LLY Duramax, ensuring a seamless installation.
- Peace of Mind: Backed by a 2-year, unlimited mileage warranty, you can trust in the long-term durability and performance of your investment.