BD Diesel Venom CP3 Conversion Kit

2019–2020 Ram 2500/3500 6.7L Diesel

Part #: 1050490

Overview

The BD Diesel Venom CP3 Conversion Kit is designed to restore reliability and enhance performance for 2019–2020 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. This kit addresses the common issues associated with the factory-installed Bosch CP4.2 high-pressure fuel pump, which replaced the proven CP3 pump in these model years. By converting back to the CP3 pump, this kit offers improved durability, increased fuel volume, and peace of mind against catastrophic pump failures that can lead to costly repairs.

Ideal for Cummins enthusiasts and owners seeking to avoid the known weaknesses of the CP4.2 pump, the BD Diesel Venom CP3 Conversion Kit delivers a straightforward solution that does not require tuning. It is engineered to fit seamlessly into the factory fuel system, providing a reliable upgrade that enhances the longevity and performance of your diesel fuel delivery.

Key Features

This conversion kit is packed with features that make it a smart investment for your Ram 2500 or 3500 diesel truck:

• Replaces the factory Bosch CP4.2 pump with the proven Bosch CP3 high-pressure fuel pump
• Restores higher fuel volume output for improved engine performance and responsiveness
• Reduces risk of catastrophic pump failure and costly fuel system contamination
• Includes all necessary components for a complete and hassle-free installation
• No tuning required—plug-and-play compatibility with factory ECU settings
• Available with stock CP3 pump or optional high-performance R900 Stroker pump
• Engineered specifically for 2019–2020 Ram 2500 and 3500 6.7L Cummins diesel engines
• Enhances fuel system durability and reliability under demanding conditions

Construction & Design

The BD Diesel Venom CP3 Conversion Kit is built with high-quality components engineered for durability and precision. The Bosch CP3 pump included in the kit is a robust, high-pressure fuel pump known for its reliable performance in Cummins diesel applications dating back to 2003. The kit’s design ensures seamless integration with the existing fuel system, utilizing OEM-style fittings and hardware to maintain factory-level fit and finish.

BD Diesel’s engineering focuses on eliminating the weaknesses found in the CP4.2 pump by reverting to the CP3’s proven architecture. This approach minimizes the risk of internal pump wear and metal debris contamination, which can devastate the entire fuel system. The optional R900 Stroker pump variant offers enhanced fuel delivery for those seeking additional performance gains.

Installation & Fitment

Installation of the BD Diesel Venom CP3 Conversion Kit is straightforward and designed to be completed with basic mechanical skills. The kit includes all necessary components to replace the factory CP4.2 pump without requiring modifications or tuning adjustments. It fits directly onto 2019–2020 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine, ensuring a precise and secure fit.

By reverting to the CP3 pump, the kit restores the original fuel system drive ratio and volume, eliminating the need for complex recalibration. This makes it an ideal upgrade for owners looking to maintain factory drivability while improving fuel system reliability.

What's Included

• Bosch CP3 high-pressure fuel pump (stock or R900 Stroker option)
• Complete mounting hardware and brackets
• Fuel lines and fittings compatible with factory system
• Drive gear and adapter components
• Installation instructions

Ideal For

The BD Diesel Venom CP3 Conversion Kit is perfect for Ram 2500 and 3500 owners who want to avoid the known reliability issues of the Bosch CP4.2 pump found in 2019–2020 6.7L Cummins trucks. It is especially suited for:

• Diesel enthusiasts seeking improved fuel system durability
• Owners looking to prevent costly fuel system failures and repairs
• Those wanting a simple, no-tune upgrade to restore factory-level fuel delivery
• Fleet operators and heavy-duty users requiring dependable performance

BD Diesel Performance designs and manufactures diesel performance parts aimed at stronger power delivery, improved reliability, and heavy-duty capability. Their lineup spans turbo and fueling upgrades, manifolds, intercoolers, and other supporting components—built for Cummins, Power Stroke, and Duramax owners who want more torque for towing, work, or competition.