The 4WD system on certain vehicles fails when cracks in the actuator's diaphragm create vacuum leaks. The diaphragm on this Dorman OE FIX actuator uses a mesh-reinforced rubber material to provide three times the durability of the original design.

Product Features:

• Improved design - this 4WD actuator has been redesigned to eliminate common failures in the original part caused by exposure to ozone
• Upgraded materials - the rubber diaphragm in this 4WD actuator is reinforced with a mesh layer to provide 3X greater durability than the original material
• Seamless repair - this upgraded 4WD actuator matches the fit and function of the original part for a trouble-free installation
• Quality assured - backed by a team of product experts in the United States and more than a century of automotive experience