Bosch Reman Common Rail Injector for Cummins ISB & QSB 6.7L Medium-Duty Engines

This is the Bosch OE remanufactured common rail injector 0986435697 — the factory-reman version of new Bosch injector 0445120177 (Cummins 5254261). It fits Cummins ISB and QSB 6.7L mid-range diesel engines used across medium-duty commercial trucks and buses, including Kenworth, Volvo, and Freightliner chassis. As the original OE supplier, Bosch remanufactures this injector to the latest engineering standards with precision tolerances that often surpass dealer-channel reman.

This listing is for the remanufactured injector at reman pricing. Brand-new Bosch units (0445120177) are also available at a higher price — call us for new-unit pricing.

Included in the Box:

• (1) Reman CR Injector
• (1) Copper Nozzle Tip Chamber Gasket / Washer
• (1) Injector Sealing O‑ring

Features and Benefits:

• 100% end‑of‑line tested using official OE Bosch test equipment and specifications for guaranteed performance
• Manufactured with the latest Bosch engineering updates, often superior to the original unit being replaced
• Built using genuine OE tools and processes, ensuring factory-level quality and fit
• All wearable and critical internal parts replaced with genuine Bosch components during remanufacturing

Fitment:

• Cummins ISB 6.7L mid-range engines
• Cummins QSB 6.7L (and 4.5L) engines
• Kenworth, Volvo, and Freightliner medium-duty trucks
• Freightliner and Thomas school buses with the Cummins 6.7L

Important: Please provide your VIN or engine serial number (ESN) to verify this is the correct injector for your application before ordering. Several Cummins 6.7L injector calibrations look similar but are not interchangeable.

Part Numbers — Reman P/N 0986435697 (replaces the following):

Warranty:

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

Need Help With Fitment?

Call 530-668-0818 with your engine serial number to verify the correct injector for your application before ordering.