BD Diesel 1725504 Premium Stock Fuel Injector for Duramax LLY 6.6L 2004.5-2006

The BD Diesel 1725504 is a premium remanufactured stock replacement fuel injector designed specifically for 2004.5-2006 Chevrolet Silverado and GMC Sierra trucks equipped with the 6.6L Duramax LLY engine. This BD-Built injector is assembled to OE specifications using Bosch-trained technicians and fully calibrated to ensure reliable, factory-level performance.

Key Features:

• Premium remanufactured injector with brand new Bosch OE nozzle, solenoid, and control valve
• Precision calibrated to a flow tolerance of +/-2% (versus OEM at +/-5%)
• Every injector tested and validated on a Bosch 815 test bench across over 8 operating conditions
• OE quality construction following original equipment assembly procedures
• Delivers approximately 5-15 hp gain over worn factory injectors

Specifications:

• Replaces Bosch part numbers: 0986435504, 0445120027
• Replaces GM part numbers: 97780144, 97303657
• Estimated installation time: 5.5 hours
• Sold individually (each)

Warranty Coverage: Includes 24-month parts warranty covering manufacturing and material defects. Note that cracks caused by high fuel pressure and high return flow after 12 months on performance injectors are not covered.

Emissions Compliance: This product does not require an Executive Order in California and is legal for sale and use in all 50 states as a replacement part.