Dorman 929-225 Leaf Spring - Front

Front Leaf Spring Assembly for Super Duty Trucks

Dorman 929-225 is a steel front leaf spring assembly for 1999-2004 Ford F-250 Super Duty and 1999-2004 Ford F-350 Super Duty models with spring code X. It restores spring tension in a sagging front suspension and helps return ride height and load support to normal. This part number, 929-225, is built for direct replacement service on the listed Super Duty applications.

Key Features

• Steel construction with a black finish
• Standard suspension grade type for OE-style replacement service
• Two-leaf design with a 3-inch leaf width
• Up-turned eye attachment at both ends
• Bushings included for installation on the listed application
• No axle modification needed
• Fits front suspension applications on Ford F-250 Super Duty and Ford F-350 Super Duty

Replacement Function and Fitment

This Dorman leaf spring assembly is made to replace fatigued or rusted front leaf springs that can cause uneven stance, reduced suspension travel, and poor front-end support. Compatible with 1999-2004 Ford F-250 Super Duty, front, w/Spring Code X, and 1999-2004 Ford F-350 Super Duty, front, w/Spring Code X, it provides a direct-fit solution for restoring suspension performance on these heavy-duty trucks. The part cross-references Ford OE number 1C3Z5310AF for the same application.

What It Helps Correct

• Sagging front suspension
• Loss of spring tension from fatigue or corrosion
• Uneven ride height on Super Duty trucks
• Reduced front suspension support under load
• Ride quality issues caused by worn leaf springs

Installation Notes and Tips

Verify spring code X before ordering, since fitment is specific to that suspension configuration. Confirm the leaf spring arch length, pack thickness, and end attachment style against the original part before installation. Bushings are included, while mounting hardware is not listed as included, so reuse or source hardware as needed for the vehicle. This part number, 929-225, is intended for front suspension replacement on the listed Ford Super Duty models.

Quality Assurance

Dorman supplies replacement suspension components for service repairs where restoring original function matters. This leaf spring assembly follows the listed dimensions and application details for the specified Ford F-250 Super Duty and Ford F-350 Super Duty fitments.