Dorman 904-606 Diesel Exhaust Fluid (DEF) Pump

Dorman 904-606 DEF Pump for Ford Super Duty

Dorman 904-606 is a diesel exhaust fluid (DEF) pump assembly for select Ford diesel applications. It is built to match the performance of the original pump and uses Tier 1 supplier critical components with factory-spec seals for dependable operation in the SCR system.

Compatible With 2017-2022 Ford F-250 Super Duty, 2017-2022 Ford F-350 Super Duty, and 2019-2021 Ford F-150, this DEF pump supports proper DEF circulation and emissions system function. The white plastic housing, heated design, 16-pin female connector, internal inlet, and quick-connect outlet are specified to align with the original equipment layout.

Key Features

• Direct replacement DEF pump assembly for select Ford diesel trucks
• Designed to restore DEF circulation in the selective catalytic reduction system
• Heated unit with internal inlet and quick-connect outlet configuration
• Plastic housing with factory-spec seals for durability
• 16-terminal female connector for OE-style electrical connection
• Cross-reference part numbers include FC4Z5J229A and HC3Z5J229B
• Part number 904-606 for catalog and service identification

Detailed Description

Dorman 904-606 is engineered for Ford Super Duty and F-150 diesel applications where the original DEF pump has leaked, stopped circulating DEF, or triggered a check engine light. A properly functioning pump is required for the SCR system to operate correctly and for the vehicle to meet emissions standards. This replacement unit is manufactured and tested to strict standards, with critical components selected to support reliable performance and long service life. The part number 904-606 is a practical OE-style solution when servicing the DEF system on a Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford F-150.

Common Issues This Part Can Address

• DEF pump leakage
• Loss of DEF circulation through the emissions system
• Check engine light related to DEF pump failure
• SCR system performance concerns caused by pump malfunction
• Emissions compliance issues tied to a failed DEF pump

Installation Notes and Tips

Verify connector style, inlet and outlet configuration, and heated pump requirements before installation. Inspect the DEF tank, lines, and electrical connections for contamination, damage, or corrosion that could affect pump operation. After installation, clear diagnostic trouble codes and confirm proper DEF system function.

Quality Assurance

This Dorman DEF pump is engineered, manufactured, and tested to strict standards for reliable performance. It uses Tier 1 supplier critical components and factory-spec seals to support durability under demanding operating conditions.