Mud, sand, salt, and other debris take a toll on 4WD parts—but it's mile after mile of stress on the driveline that creates the real problems. In this environment, durable repairs require 4WD components that not only meet rigorous demands but stand the test of time.
With upgraded materials and designs that resolve known flaws in OE equipment, Dorman 4WD parts are engineered to endure. From actuators to transfer cases and everything in-between, rest assured that your repair will last. Our limited lifetime warranty guarantees it.
With hundreds of solutions, Dorman is the leader in direct replacements.
Discover reliable, upgraded replacements for all your 4WD repairs.
Our OE FIX parts restore 4WD function and provide increased durability.
Our 4WD components stand the test of time—we guarantee it.
Although repairs to 4WD vehicles have to be particularly durable—especially when there's tough terrain on the horizon—you don't want to spend countless hours on a job. That's why Dorman parts are extensively tested to ensure a proper fit and reliable function, and come with all the parts you need to complete the repair first time.
The 4WD system on certain vehicles fails when cracks in the actuator's diaphragm create vacuum leaks.
The diaphragm on our OE FIX actuator uses a mesh-reinforced rubber material to provide 3x the durability of the original design.
Learn about some of our highlighted products below.
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