Description
Restore the performance and reliability of your diesel engine with this CP4 fuel pump repair kit, engineered specifically for Bosch CP4 Common Rail fuel pumps. This high-quality kit includes precision-manufactured components that replace one element within the CP4 pump. Each part is designed for a secure fit, proper sealing, and consistent fuel pressure, ensuring lasting performance and durability.
Single vs. Dual Element Kits
This kit is designed for one pump element, making it ideal if only a single element shows wear or leaks. For a more complete rebuild or if multiple elements require attention, we also offer a 2-element kit (see Related Items below). Choosing the appropriate kit ensures optimal reliability and cost-effectiveness for your specific repair needs.
Key Features
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Includes precision-engineered seals and components for one pump element
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Manufactured to OEM-quality standards for durability and reliability
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Helps restore correct fuel pressure and smooth pump operation
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Reduces risk of leaks, premature wear, and potential pump damage
Important Installation Notice
Professional installation is strongly recommended. The Bosch CP4 fuel system operates at extremely high pressures, and incorrect fitting or contamination during assembly may result in serious damage to the pump or injectors. Improper installation may also void warranties or cause vehicle performance issues.
GKR accepts no responsibility for damage, malfunction, or system failure caused by incorrect installation, contamination, or use of this kit outside its intended purpose. Please ensure the work is carried out by a qualified professional with experience in diesel fuel systems.
Related Items
Click on each bullet point to view the part directly.
Support & Compatibility
Ensure compatibility with your vehicle before ordering.
For assistance, email [email protected]
Shipping & Returns
All items are security marked before dispatch.
For details on shipping, delivery, returns, or if an item arrives damaged, see the Additional Information section.






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