Dorman 600-443 Differential Lock Actuator - Rear

Differential Lock Actuator for Tacoma

The Dorman 600-443 differential lock actuator is a direct replacement for specific Toyota Tacoma rear differential applications with electronic differential lock. It is reverse engineered to restore the original actuator function on the vehicle and help bring the locking differential system back to normal operation.

• Direct replacement differential lock actuator for rear applications
• Electronic actuator design for vehicles with electronic differential lock
• Standard replacement grade for OE-style service
• Connector/terminal configuration: blade
• Terminal quantity: 5
• Materials include carbon steel, aluminum, and steel components
• Black and silver finish

OE-Style Replacement Design

Built for the Toyota Tacoma rear differential lock system, Dorman 600-443 is intended to replace the original equipment actuator on supported vehicles without changing the factory setup. This Toyota Tacoma differential lock actuator is a practical service part for restoring rear locker engagement when the original unit no longer operates correctly. This part cross-references Toyota 4145035010 for the same application.

What It Helps Fix

• Rear differential lock not engaging
• Intermittent or inconsistent locker operation
• Faulty actuator movement in the electronic locking differential
• Loss of factory rear differential lock function
• Replacement needs after actuator wear or internal failure

Installation Notes

Fits 1995-2015 Toyota Tacoma, rear, w/Electronic Differential Lock. Confirm the rear axle configuration and connector style before installation. Match the original actuator and terminal layout to the vehicle’s factory setup for proper fitment. Part number 600-443 is listed for Tacoma models equipped with electronic differential lock in the rear position.

Quality Assurance

Dorman engineers this actuator as a direct OE replacement for specific applications, using reverse-engineered design details to restore proper function. The part number 600-443 is built to meet standard replacement expectations for service on supported Toyota Tacoma rear differential lock systems.