BD Diesel 1725521 Premium Duramax LBZ Fuel Injector 6.6L 2006-2007

The BD Diesel 1725521 is a premium remanufactured fuel injector designed for 2006-2007 Duramax LBZ 6.6L engines. Built to OEM specifications using genuine Bosch components and procedures, this injector delivers factory-equivalent performance with exceptional quality control. Each BD-Built Premium injector is assembled with brand new Bosch solenoids, nozzles, and control valves to ensure reliable, long-lasting operation.

Key Features:

• Brand new Bosch OE nozzle, solenoid, and control valve—not refurbished components
• Precision calibrated to +/-2% flow tolerance (OEM is +/-5%) for better cylinder-to-cylinder balance
• Fully tested and validated on Bosch EPS 815 test bench across 8+ operating conditions
• Assembled by Bosch-trained technicians following OEM procedures
• Direct replacement for Bosch 0986435521 and 0445120042
• Cross-references GM part numbers 97361355, 97780358, and 97780474

Warranty & Installation:

• 24-month parts warranty covering manufacturing and material defects
• Approximate installation time: 3 hours
• 50-state legal—meets EPA requirements and does not require California EO
• Sold individually (priced per injector)

This injector provides the reliability and precision your Duramax LBZ engine deserves, with tighter quality control than factory specifications. Perfect for maintaining stock performance or as part of a complete injector refresh.