BD Diesel R900 12MM CP3 Pump (105651) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM

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The BD Diesel R900 12MM CP3 Pump (105651) is a high-performance fuel pump designed for 2001–2010 Chevy and GMC Duramax diesel engines (LB7, LLY, LBZ, and LMM). Featuring a 12mm stroke, it provides greater fuel flow than stock pumps, boosting throttle response, power, and efficiency. Supporting up to 900 horsepower with proper modifications, it’s ideal for tuned or modified trucks. The R900 offers factory fitment and reliability, making it a durable and trusted upgrade for diesel performance enthusiasts.

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Description

The BD Diesel R900 12MM CP3 Pump (105651) is a high-performance fuel pump designed specifically for 2001-2010 Chevy and GMC Duramax diesel engines, including the LB7, LLY, LBZ, and LMM models. Engineered for enthusiasts and professionals seeking increased fuel flow to support high horsepower applications, this upgraded CP3 pump features a 12mm stroke that delivers significantly more fuel than the stock unit, enhancing throttle response, power output, and overall engine efficiency. Ideal for tuned or modified trucks, the R900 maintains factory fitment and reliability while supporting up to 900 horsepower when properly paired with supporting modifications. Built with precision and durability in mind, BD Diesel’s R900 CP3 Pump is a trusted choice for diesel performance upgrades.

Additional information
Weight 19 lbs
Fitment

Fitment

 2001-2010 Duramax LB7 / LLY / LBZ / LMM

Features

Features

  • 12mm Stroke Camshaft: Crafted from custom alloy steel, this camshaft is 9x tougher than standard 52100 steel, ensuring long-term durability and resistance to wear.
  • Increased Fuel Capacity: The modified plungers and stroke design boost fuel delivery to 5.25 LPM, supporting up to 800rwhp, while maintaining rail pressure for consistent performance.
  • No Extra Components Required: This pump delivers all the fuel you need without the complexity of additional pulleys, belts, or secondary pumps—just a simple, bolt-in installation.
  • Enhanced Durability: The upgraded shaft material and heat-treating process yield a stronger, more durable shaft with 9x greater fracture toughness, ensuring the pump stands up to the demands of high-performance applications.
  • Efficient Atomization: Consistent on-demand high fuel pressure results in efficient atomization, leading to more power, improved combustion, and lower EGTs (Exhaust Gas Temperatures).
  • Rigorous Testing: Each HPCP3 injection pump undergoes comprehensive testing before leaving the facility, ensuring it meets the highest standards of performance and reliability.
Installation

Installation

BD Diesel 1050651 Installation Instructions

Installation Note: For LB7 and LLY engines, tuner programming or transferring the original FCA/MPROP from the removed pump to the new pump is required.

 

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About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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