Parts for Isuzu NPR diesel trucks are available at AutoPartsWarehouse.com, Isuzucv.com and IsuzuTruckParts.com, as of 2015. Additional sources for Isuzu diesel parts include IsuzuParts.com and Busbee's Trucks and Parts.
Isuzu Commercial Truck of America sells Isuzu genuine OEM replacement parts for a number of gas and diesel models including NPR-HD, NPR Eco-Max and NPR-XD. The parts include AC compressors, alternators, gaskets and starters. Tom's Truck Center sells Isuzu genuine OEM factory parts, as well as used parts and accessories on eBay.
IsuzuParts.com features a full range of OEM parts and accessories for Isuzu NPR diesel trucks. Busbee's Trucks and Parts sells used Isuzu NPR parts that include accelerator pedal assemblies, brake hub and drum assemblies, cab lock assemblies and computer control modules.