GMC does not offer a truck parts catalog directly to consumers, as of July 2015. GMC advises drivers to visit their local GMC-certified dealer for genuine GMC truck parts and service. Most GMC replacement parts installed by a certified GMC mechanic are covered by a limited lifetime warranty.
GMPartsNow.com sells original equipment manufacturer replacement parts for GMC trucks. GMPartsNow is a GM-accredited dealer of OEM replacement parts for late model GMC trucks, including Sonoma, Sierra, S-15, and C and K series trucks.
Do-it-yourself mechanics buy GM-certified and aftermarket parts and accessories at AutoPartsWarehouse.com and other online retailers. AutoPartsWarehouse offers an online catalog of more than 137,000 GMC truck parts and accessories.