2003 GMC SIERRA 1500 PICKUP ALTERNATOR

Compatible with Astro Avalanche 1500 Avalanche 2500 Escalade Ext Express 1500 Van Express 2500 Van Express 3500 Van Safari (gmc) Savana 1500 Van Savana 2500 Van Savana 3500 Van Sierra 1500 Pickup Sierra 2500 Pickup Sierra 3500 Pickup Sierra Denali Silverado 1500 Pickup Silverado 2500 Pickup Silverado 3500 Pickup