[Vehicle Fitment]: Compatible with Chevrolet Express 2500 2007-2009, Express 2500 2010 (1st Design), Express 3500 2009-2010 (1st Design), Express 3500 2006 (With 16 Bolt Differential Cover), Express 3500 2007-2008, Express 4500 2009; Compatible with GMC Savana 2500 2008-2009, Savana 2500/Savana 3500 2010 (1st Design), Savana 3500 2006 (With 16 Bolt Differential Cover), Savana 3500 2007-2009---Rear Left and Right, Driver and Passenger Side. [Reference Number]: The A-Premium ABS Wheel Speed Sensor's reference number: ALS1771, 15813556, 5S7986, SU9452, VSS87, ABS1864. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system.. [Function]: Designed to improve the directional stability and steering ability of the vehicle when driving; Effectively transmit the speed of the wheels through the wire harness, back to the anti-lock brake system control module.. [Directly Fit]: OE Replacement ABS Wheel Speed Sensor, Easy installation; Superior quality materials for a long lifespan; Output signal stable and Fast response time..
