Your Jeep’s factory rail bushings are usually made of rubber. As you drive your Jeep through the muddy trails, the dirt, water and chemicals penetrate through the porous material of the rubber, weakening it over time. By installing the Crown Automotive NP231 Transfer Case Shift Rail Bushings which are made out of polyurethane, you reduce the wear as plastic doesn’t have pores like rubber. Besides the durability, the polyurethane better absorbs shocks and vibrations. This improves handling even as you hit top speeds on the rocky paths.
The Crown Automotive NP231 Transfer Case Shift Rail Bushing is injection-molded from heavy-duty polyurethane. The polyurethane material fares much better against adverse elements such as UV rays, chemicals and heat compared to factory rubber. Crown Case Shift Rail Bushings are also less susceptible to destruction by the control arms and sway bars that are always in constant motion.
Crown Automotive NP231 Transfer Case Shift Rail Bushings fit directly into the position of the factory bushings. To install, however, you will need to mount the vehicle on supports and then remove the rock rails to access the controls where the bushings are located. Moderate mechanical skills are required to handle the 3-hour installation process.
Crown Automotive is known for quality workmanship and, as a guarantee of quality, they back the Crown Automotive NP231 Transfer Case Shift Rail Bushing with a 12-month or 12,000-mile limited warranty. Kindly check warranty exclusions.
Crown Automotive designed the NP231 Transfer Case Shift Rail Bushing for use on 1987-1990 Wrangler YJ models.
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