Bosch 5.9L Cummins Reman CR Fuel Injector 2003-2004.5

Restore Power and Reliability to Your Cummins

Upgrade your 2003–2004.5 Dodge 5.9L Cummins with the Bosch OEM Remanufactured Common Rail Fuel Injector (Part #0986435503), engineered for precise fuel delivery, improved efficiency, and long-lasting performance. This injector is the ideal replacement for worn or failing injectors, ensuring your truck runs at peak power and reliability for years to come.

Key Features

• OEM Remanufactured by Bosch: Built using the latest OE production technology and tested to exact factory specifications for quality and performance.

• Direct Fit Replacement: Designed for 2003–2004.5 Dodge Ram 2500/3500 5.9L ISB Cummins engines; maintains original equipment fit and function.

• Comprehensive Remanufacturing: All wearable parts and critical components are replaced with genuine Bosch parts, ensuring reliability and longevity.

• End-of-Line Tested: Each injector undergoes rigorous end-of-line testing using OE equipment to guarantee performance and durability.

• Latest Engineering Updates: Incorporates all OE updates for improved injector life and resistance to common issues.

• Includes Installation Hardware: Comes with new O-rings and copper crush washers for a complete, hassle-free installation.

• Warranty: Backed by a 12-month (or up to 2-year, depending on supplier) unlimited mileage warranty for peace of mind.

Product Benefits

• Restores Lost Power & Efficiency: Replaces failing injectors to bring back factory performance, fuel economy, and smooth idle.

• OE Quality Assurance: Manufactured and tested by Bosch, the original supplier for Dodge Cummins injectors, for unmatched reliability.

• Long Service Life: Built to last with high-quality materials and the latest OE improvements.

• Easy Installation: Direct-fit design with included hardware for straightforward replacement.

Fitment & Compatibility

• Part Number: 0986435503 (also replaces Bosch 0445120255, 0445120018, 0445120113, 0445120210).

• Check fitment: For 2004 models, verify engine data tag for correct injector selection.

What’s Included

• 1x Bosch Remanufactured Common Rail Fuel Injector (0986435503)

• 1x Nozzle Washer

• 1x Injector Seal O-ring

• Sealed OEM Blue Box Packaging

Installation Tips

• Replace Connector Tubes: It is highly recommended to replace injector connector tubes during installation to prevent contamination and ensure warranty coverage.
  Be sure to Torque Connector tubes to the proper torque specs to reduce the chance of unwanted injector return flow.

Why Choose Bosch Remanufactured Injectors?

• Factory-Backed Quality: Manufactured and tested to the highest standards by the original equipment supplier.

• Performance You Can Trust: Delivers OE-level performance, fuel efficiency, and emissions compliance.

• Industry-Leading Warranty: Enjoy peace of mind with robust warranty coverage.

Upgrade your Dodge 5.9L Cummins with a Bosch OEM Remanufactured Common Rail Fuel Injector and experience restored power, reliability, and efficiency. Order today from NorCal Diesel Performance and keep your truck running strong!