Our friendly Customer Service Representatives are ready to take your call offering expert product knowledge from 8:30am to 5:00pm (PST), from our headquarters in Orange County, Huntington Beach, California. We pride ourselves on our close relationships with each diesel aftermarket manufacturer we carry online to get you the most accurate information needed.

OC DIESEL carries the largest selection of PROVEN diesel performance products, at the lowest possible prices with FREE SHIPPING on thousands of parts. We also provide diesel repair and service, diagnostics, maintenance and installation. We stay up-to-date with the newest diesel vehicles and most current diesel performance parts.

When all combined with our massive selection of brands, expert staff, fast shipping and of course, great prices, there's no reason to shop anywhere else for your next diesel performance part purchase. We truly are your "One Stop Shop for All Your Diesel Performance" parts.