Dorman 600-560 4WD Actuator Fork

Dorman 600-560 4WD Actuator Fork

The Dorman 600-560 4WD actuator fork is a direct replacement for the original equipment fork used in specific four-wheel drive transfer case applications. It is reverse engineered to restore proper 4WD system operation on select Ford, Lincoln, and F-150 Heritage models.

• Direct replacement 4WD actuator fork for select driveline and axle applications
• Built with aluminum, plastic, and steel materials for application-specific durability
• Includes shift fork, pads, and roll pin
• Matches OE part number F75Z3N139KT for the same application
• Fits 1997-2003 Ford F-150, 1997-2002 Ford Expedition, 1998-2002 Lincoln Navigator, and 2004 Ford F-150 Heritage

Application Details

This Dorman 600-560 actuator fork is made for vehicles that use a factory-style 4WD shift fork in the transfer case assembly. It is a practical replacement for worn or damaged components on 1997-2003 Ford F-150, 1997-2002 Ford Expedition, 1998-2002 Lincoln Navigator, and 2004 Ford F-150 Heritage models. It also fits 1997-1999 Ford F-250 models with under 8,500 lb. GVW and ID No. S974-A or S974-B.

This part cross-references OE part number F75Z3N139KT for the same application.

Common Problems It Can Address

• 4WD engagement problems caused by a worn shift fork
• Transfer case shifting issues linked to damaged fork pads
• Loss of proper actuator movement in the 4WD system
• Noise or binding from a deteriorated fork assembly
• Restoration of factory-style 4WD operation after component wear

Installation Notes

Verify transfer case and vehicle identification before installation, especially on 1997-1999 Ford F-250 models with under 8,500 lb. GVW and ID No. S974-A or S974-B. Compare the original fork, pads, and roll pin to confirm correct application before assembly. Follow factory service procedures for transfer case disassembly, inspection, and reassembly.

Quality Assurance

Dorman manufactures this part as a reverse-engineered OE replacement to restore proper function in the four-wheel drive system. The design follows the original equipment layout for the listed applications and is intended to match factory fit and operation.