Dorman 600-204XD Locking Hub

Dorman 600-204XD Locking Hub for Ford and Lincoln

This Dorman locking hub is an OE FIX replacement for manual 4WD systems on select Ford and Lincoln trucks and SUVs. It addresses a common failure point in the original hub design with a reinforced shift dial and a bearing built for dependable operation.

• Reinforced shift dial is 40% stronger than the factory design
• High-quality bearing supports long-term hub operation
• Metal construction for durability in 4WD service
• Direct replacement for manual locking hub applications
• Includes retaining ring

Fitment and application details

Compatible with manual locking hub applications on select Ford Excursion, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Expedition, and Lincoln Navigator models. Fits 2000-2005 Ford Excursion, 1999-2004 Ford F-250 Super Duty, 1999-2004 Ford F-350 Super Duty, 2001-2002 Ford Expedition, and 2001-2002 Lincoln Navigator with the 1C34 prefix tag only.

This part cross-references Ford OE part number 1C3Z3B396DA for the same application. The Dorman 600-204XD is built for vehicles that use a manual locking hub and need a stronger replacement for the original brittle shift dial design.

Common issues this part can address

• Broken or cracked shift dial in the original locking hub
• Difficulty engaging or disengaging 4WD at the hub
• Premature wear in the hub bearing area
• Loss of reliable front axle engagement on manual hub systems
• Repeat failure of the factory-style sintered dial

Installation notes and tips

Verify the axle tag prefix before ordering; this application is for 1C34 prefix tag vehicles only. Confirm the vehicle uses manual locking hubs and match the spline count and axle shaft dimensions to the original hub before installation. The package includes a retaining ring, and the hub should be installed according to the service procedure for the specific Ford or Lincoln platform.

Quality assurance

Dorman engineered this OE FIX hub to improve on the original design by strengthening the shift dial and upgrading the bearing for better durability in 4WD use. It is intended as a direct-fit replacement for the listed Ford and Lincoln applications.