Dorman 904-607 Diesel Exhaust Fluid (DEF) Pump

Reliable Diesel Exhaust Fluid Pump for Chevrolet and GMC Trucks

The Dorman 904-607 Diesel Exhaust Fluid (DEF) Pump is engineered to meet the emission control needs of select Chevrolet and GMC diesel vehicles. Designed with durable plastic housing and precise terminal configurations, this DEF pump ensures consistent fluid delivery for optimal emission system performance.

• Compatible with Chevrolet Cruze, Express 2500/3500, Savana 2500/3500, Sierra 2500 HD/3500 HD, Silverado 2500 HD/3500 HD
• Black plastic housing for corrosion resistance and durability
• Multiple blade terminal types: End 1 with 5 female blade terminals, End 2 with 2 female blade terminals, End 3 with 3 female blade terminals
• Includes mounting hardware for straightforward installation
• Two inlet ports and one outlet port with no threading for secure fluid flow

Detailed Features and Specifications

The Dorman 904-607 DEF pump features a robust plastic housing designed to withstand harsh under-hood environments. It includes three connector ends, all female blade types, with varying terminal quantities to ensure proper electrical connections. The pump has two inlet ports and one outlet port, both without threading, facilitating easy integration into the vehicle’s DEF system. This pump is supplied with mounting hardware, simplifying the replacement process.

Applications and Common Issues Addressed

• Restores proper DEF fluid delivery in Chevrolet and GMC diesel models
• Resolves emission system faults related to DEF pump failure
• Eliminates warning lights caused by DEF fluid circulation problems
• Prevents engine derate conditions triggered by DEF system malfunctions
• Supports compliance with emission regulations by maintaining DEF system functionality

Installation Notes and Tips

Installation of the Dorman 904-607 DEF pump requires disconnecting the vehicle’s battery and relieving system pressure before removal. The included mounting hardware allows for a secure fit in the original pump location. Ensure all electrical connectors are properly seated and terminals match the original configuration. Verify no leaks at inlet and outlet ports after installation. Consult the vehicle’s service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman manufactures this DEF pump to meet or exceed OEM standards for fit, form, and function. The plastic housing and terminal design are tested for durability and corrosion resistance. This part comes with a limited warranty covering defects in material and workmanship, providing confidence in its long-term reliability for Chevrolet and GMC diesel vehicles.