Dorman 600-997 4WD Actuator
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Dorman

Dorman 600-997 4WD Actuator

Brand Dorman 600-997
Four Wheel on Demand Conversion No
Housing Material Metal
Mounting Hardware Included Yes
Package Contents 4WD Vacuum Actuator; 6 Bolts
Terminal Quantity 0
Wiring Harness Included No
Fits Toyota · 12 vehicles

OE direct replacement. Directly replaces the original equipment part for reliable restoration of function.

Metal housing. Durable construction helps protect the actuator in demanding driveline use.

Mounting hardware included. Comes with the bolts needed for installation.

Cross-references 4140035020 for the same application. See all 1.

$243.52Free shipping
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OE-Style 4WD Actuator Replacement

This Dorman 4WD actuator, part number 600-997, is a direct replacement for the original equipment unit on specific Toyota applications. It is reverse engineered to restore proper 4WD vacuum actuator function on the vehicles listed below.

Compatible with 1995-2000 Toyota 4Runner and 1995-2000 Toyota Tacoma, this replacement is built for standard-design applications and uses a metal housing for durability.

Key Features

  • Direct replacement 4WD vacuum actuator for specific Toyota driveline applications
  • Metal housing construction
  • Mounting hardware included
  • Package contents: 4WD vacuum actuator and 6 bolts
  • No wiring harness included
  • Four Wheel on Demand conversion: No

Detailed Description

Dorman 600-997 is engineered as an OE-style replacement for the factory 4WD actuator used on select Toyota 4Runner and Toyota Tacoma models. It is intended to restore proper vacuum-actuated 4WD operation where the original part has failed, helping return the driveline system to normal engagement behavior. This part cross-references Toyota 4140035020 for the same application.

Fits 1996-2000 Toyota 4Runner, N/A; Fits 1995-2000 Toyota Tacoma, N/A; Fits 1995 Toyota 4Runner, N/A, From11/95.

What It Helps Fix

  • 4WD engagement problems caused by a failed vacuum actuator
  • Inconsistent transfer of vacuum control to the front axle system
  • Loss of proper 4WD operation on standard-design Toyota driveline setups
  • Mechanical wear or corrosion in the original actuator housing
  • Faulty OE actuator replacement needs on Toyota 4Runner and Tacoma models

Installation Notes and Tips

Verify the vehicle uses the standard design listed in the fitment data before ordering. Confirm the original part number and mounting style match the application, especially on 1995 Toyota 4Runner models built from 11/95. The included bolts support installation, and the unit does not use a wiring harness.

Quality Assurance

Dorman reverse engineers this actuator to match the original equipment function on the specified applications. Part number 600-997 is built for direct replacement use on the listed Toyota vehicles.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000Toyota4RunnerN/AStandard Design
2000ToyotaTacomaN/AStandard Design
1999Toyota4RunnerN/AStandard Design
1999ToyotaTacomaN/AStandard Design
1998Toyota4RunnerN/AStandard Design
1998ToyotaTacomaN/AStandard Design
1997Toyota4RunnerN/AStandard Design
1997ToyotaTacomaN/AStandard Design
1996Toyota4RunnerN/AStandard Design
1996ToyotaTacomaN/AStandard Design
1995Toyota4RunnerN/AStandard Design; From11/95
1995ToyotaTacomaN/AStandard Design
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4140035020