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 ozoneUpgraded materials - the rubber diaphragm in this 4WD actuator is reinforced with a mesh layer to provide 3X greater durability than the original materialSeamless repair - this upgraded 4WD actuator matches the fit and function of the original part for a trouble-free installationQuality assured - backed by a team of product experts in the United States and more than a century of automotive experience
