Dorman 904-452 Diesel High Pressure Oil Pump Seal Kit

Overview of Dorman Diesel High Pressure Oil Pump Seal Kit

The Dorman 904-452 Diesel High Pressure Oil Pump Seal Kit is designed to provide reliable sealing performance for Ford diesel engines. This kit includes essential components to maintain the integrity of the fuel injection system in Ford E-350 and F-Series Super Duty models.

• Includes 1 gasket and 3 red rubber O-ring seals
• O-ring seal type with square rim shape for secure fit
• Seal dimensions: 0.47 inch inside diameter, 0.62 inch outside diameter, 0.076 inch thickness
• Compatible with Ford E-350 Club Wagon, Econoline, Super Duty, Excursion, F-250, F-250 HD, F-350, and F-350 Super Duty
• Part number 904-452 ensures correct fit and function

Detailed Product Description

This Dorman Diesel High Pressure Oil Pump Seal Kit (part number 904-452) is engineered to replace worn or damaged seals in the high pressure oil pump of select Ford diesel vehicles. The kit features red rubber O-rings with a square rim shape, providing a tight and durable seal to prevent oil leaks and maintain proper fuel injection pressure. The precise seal dimensions—0.47 inch inside diameter, 0.62 inch outside diameter, and 0.076 inch thickness—ensure compatibility with the original equipment specifications. The included gasket and multiple O-rings allow for a comprehensive seal replacement during pump servicing.

Compatible Ford Models and Applications

This seal kit is compatible with a range of Ford diesel vehicles, including:

• Ford E-350 Club Wagon and Econoline models
• Ford E-350 Super Duty and Econoline Club Wagon
• Ford Excursion
• Ford F-250, F-250 HD, and F-250 Super Duty
• Ford F-350 and F-350 Super Duty

Common Issues Addressed by This Seal Kit

• Prevents high pressure oil leaks from the diesel pump
• Maintains proper fuel injection system pressure
• Eliminates oil contamination in the fuel system
• Reduces risk of engine performance issues related to seal failure
• Helps avoid costly repairs from pump damage

Installation Notes and Tips

• Ensure all old seals and gasket material are fully removed before installation
• Lubricate new O-rings with clean engine oil to ease installation and prevent damage
• Verify seal dimensions match OEM specifications for your Ford model
• Follow manufacturer torque specifications when reassembling the pump
• Inspect the pump housing for wear or damage before installing new seals

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for durability and fit. The 904-452 Diesel High Pressure Oil Pump Seal Kit undergoes quality control inspections to ensure reliable sealing performance. Warranty coverage details can be obtained from the product documentation or Dorman directly, providing confidence in the part’s longevity and function.