The 18-B5047 Rear Caliper is a direct replacement brake caliper designed specifically for 07-18 Jeep Wrangler (JK), 08-12 Liberty, and 07-11 Dodge Nitro vehicles. It features a silver finish and a Floating caliper type with a 1.89-inch piston diameter. This custom bundle includes mounting hardware and comes with a limited lifetime manufacturer warranty. The caliper is made with phenolic piston material and is zinc plated for durability. This rear caliper is a genuine Carquest brand product and includes both the left and right sides for easy installation.