Specification: Fits Left+Right+Rear Built to strict quality control standards Direct replacements:ALS55+ALS77 Package including: 2× 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. .