Bosch Reman Common Rail Injector for 2001–2004 GM 6.6L Duramax LB7

This is the Bosch OE remanufactured common rail injector 0986435502 — the factory-reman version of new Bosch injector 0445120008 — for the 2001–2004 GM 6.6L Duramax LB7 (RPO LB7). As the original equipment supplier, Bosch remanufactures each injector on genuine OE tooling to the latest engineering specifications and 100% end-of-line tests every unit, so it meets or exceeds the original part it replaces.

This listing is for the remanufactured injector at reman pricing. Brand-new Bosch units cost significantly more — call us for new-unit pricing and availability.

Included in the Box:

• (1) Bosch OE remanufactured common rail injector
• (1) New copper combustion seal / nozzle washer
• (1) New injector sealing O‑ring

Features and Benefits:

• 100% end‑of‑line tested on official OE Bosch equipment to factory flow and response specifications
• Built with the latest Bosch engineering updates, often superior to the original unit being replaced
• Remanufactured on genuine OE tooling and processes for exact fit and performance
• All wearable and critical internal components replaced with genuine Bosch parts

Fitment:

• 2001–2004 Chevrolet Silverado 2500 HD / 3500 — 6.6L Duramax LB7
• 2001–2004 GMC Sierra 2500 HD / 3500 — 6.6L Duramax LB7
• Engine RPO code LB7 (VIN 8th digit “1”)

Important: The LB7 injector is unique to 2001–2004 trucks and does not interchange with the later LLY, LBZ, or LMM Duramax injectors. Verify by RPO/VIN before ordering. We recommend replacing injectors as a complete set of 8.

Part Numbers — Reman P/N 0986435502 (replaces the following):

Warranty:

12‑month, unlimited‑mileage warranty covering manufacturing defects in material or craftsmanship, when the core is returned per policy.

Need Help With Fitment?

Call 530-668-0818 with your VIN to verify the correct injector for your truck before ordering.