Dorman 926-379 Axle Hub O-Ring - Rear

Dorman 926-379 Axle Hub O-Ring

Dorman 926-379 is an axle shaft O-ring built to match the fit and function of the original equipment seal. It helps maintain a tight seal between the wheel hub and axle housing, making it a direct replacement for service work on rear axle assemblies.

Compatible with Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD rear applications with dual rear wheels, this axle hub O-ring supports proper sealing during axle service on 2015-2023 models.

Key Features

• OE-style axle shaft O-ring for sealing the wheel hub to the axle housing
• Rubber construction with a black finish
• Round rim shape for a precise sealing profile
• Inside diameter: 3.4
• Outside diameter: 3.76
• Thickness: 1.138
• Fits rear dual rear wheel applications on Ford Transit vans
• Cross-references Ford BK3Z4A332B for the same application

Detailed Description

This Dorman axle hub O-ring is made to restore the sealing interface used at the axle shaft and wheel hub area. The rubber material is selected for service use, and the dimensions are matched to the original equipment design to help maintain a secure seal after axle service. Dorman 926-379 is a practical replacement when servicing rear axle components on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models with dual rear wheels.

Common Service Issues

• Oil seepage at the axle shaft seal area
• Loss of sealing between the wheel hub and axle housing
• Seal wear discovered during axle service
• Replacement of a damaged or flattened O-ring
• Maintenance on rear axle assemblies for Ford Transit vans

Installation Notes and Tips

Inspect the sealing surfaces before installation and replace the O-ring whenever the axle is serviced, as recommended by the manufacturer. Confirm rear fitment and dual rear wheel configuration before ordering. Verify dimensions and part number 926-379 against the removed seal for a proper match.

Quality Assurance

Dorman manufactures this axle shaft O-ring as an OE-style replacement part focused on fit and function. The design follows the original equipment sealing profile to support reliable service on the specified Ford Transit applications.