
Upgrade your 5.9 Cummins engine's fuel system with the Dorman 502-556 Reman CP3 Pump, a premium replacement that combines quality craftsmanship with reliable performance. Designed to meet or exceed OEM specifications, this CP3 pump is engineered from top-tier materials and rigorously tested to ensure flawless fitment and long-lasting durability. With its direct-fit design, it installs seamlessly in the factory location, making installation straightforward and hassle-free.
Key Features:
- Precision Replacement: Engineered to replace the failed factory CP3 pump, restoring optimal fuel pressure and engine performance.
- OEM Fit and Function: Guaranteed factory fit and function, ensuring compatibility with your 5.9 Cummins engine.
- Proven Reliability: Backed by over 100 years of experience, Dorman delivers quality replacement parts you can trust.
- Effortless Installation: Direct-fit design simplifies the installation process, allowing you to get your vehicle back on the road quickly.
Choose the Dorman 502-556 Reman CP3 Pump for a reliable, high-quality solution that keeps your Cummins engine running smoothly.

Upgrade your 5.9 Cummins engine's fuel system with the Dorman 502-556 Reman CP3 Pump, a premium replacement that combines quality craftsmanship with reliable performance. Designed to meet or exceed OEM specifications, this CP3 pump is engineered from top-tier materials and rigorously tested to ensure flawless fitment and long-lasting durability. With its direct-fit design, it installs seamlessly in the factory location, making installation straightforward and hassle-free.
Key Features:
Precision Replacement: Engineered to replace the failed factory CP3 pump, restoring optimal fuel pressure and engine performance.
OEM Fit and Function: Guaranteed factory fit and function, ensuring compatibility with your 5.9 Cummins engine.
Proven Reliability: Backed by over 100 years of experience, Dorman delivers quality replacement parts you can trust.
Effortless Installation: Direct-fit design simplifies the installation process, allowing you to get your vehicle back on the road quickly.
Choose the Dorman 502-556 Reman CP3 Pump for a reliable, high-quality solution that keeps your Cummins engine running smoothly.[...]
Upgrade your 5.9 Cummins engine's fuel system with the Dorman 502-556 Reman CP3 Pump, a premium replacement that combines quality craftsmanship with reliable performance. Designed to meet or exceed OEM specifications, this CP3 pump is engineered from top-tier materials and rigorously tested to ensure flawless fitment and long-lasting durability. With its direct-fit design, it installs seamlessly in the factory location, making installation straightforward and hassle-free.
Key Features:
- Precision Replacement: Engineered to replace the failed factory CP3 pump, restoring optimal fuel pressure and engine performance.
- OEM Fit and Function: Guaranteed factory fit and function, ensuring compatibility with your 5.9 Cummins engine.
- Proven Reliability: Backed by over 100 years of experience, Dorman delivers quality replacement parts you can trust.
- Effortless Installation: Direct-fit design simplifies the installation process, allowing you to get your vehicle back on the road quickly.
Choose the Dorman 502-556 Reman CP3 Pump for a reliable, high-quality solution that keeps your Cummins engine running smoothly.