HAR specializes in GMC Sierra and Chevy Silverado Duramax diesel trucks and truck parts. When you call HAR, you can be certain you will talk to someone knowledgeable and familiar with the “ins and outs” of the Duramax diesel and its components. With most of our inventory coming from the South, where rust is minimal to none, you can also count on HAR to have a large inventory of CLEAN, used parts. Engines and engine components, transmissions, frames, body panels, interior, modules, wiring harnesses, we stock them all. Not only do we stock them all, but we back them all with a standard 30-day parts warranty on purchases. We also offer worldwide shipping on almost everything. Save time and money by getting your parts shipped AND shipped safely with our custom packaging. From our front office to the engine rebuild and shipping departments to our tear-down guys out back, you can be confident you’ll get the help and parts you need to get your project up and running.
Whether it's a small backyard repair, a custom build, or a diesel conversion, the knowledgeable staff at HAR is always here to help with your repairs and projects. Our 66,000 sq. ft. indoor facility houses everything Duramax, including but not limited to: