Specification: Fits Front+Left+Right Built to strict quality control standards Direct replacements:ALS50+ALS61 Package including: 2 Pcs ABS Speed sensor For the following years and models: 1999-2004 Jeep Grand Cherokee Note: Hub Bearings should always be replaced in pairs (front or Front). This reduces the overall time required to replace two Hub Bearings at different times. In most cases, if a Hub Bearing fails the other is close behind. 1 Year Warranty .