Do you ever wonder, What can I add to my GM Duramax?

Do you have a GM Duramax? Are you looking to modify your Duramax diesel for better towing, more horsepower, better fuel economy, or whatever your diesel needs may be…

GM Log

PERFORMANCE: We ask what you do with your diesel BEFORE we make performance recommendations! We understand not everyone’s diesel needs are the same.

PRODUCTS IN STOCK: With 5 U.S. warehouses we carry all the leading brands making your transaction Convenient, correct and read for your delivery.


Give us a call at 714-848-2170 M-F from 8-5 PST – We will answer your questions regarding  GM Duramax. Ask about Free Shipping!

Live locally? Feel free to stop by our location and meet us! OC DIESEL, INC. is located at 17242 Gothard Street, Huntington Beach, CA 92647 Suites A and B. In addition to carrying GM Duramax Upgrades, we have a full service shop staffed with knowledgeable technicians who are ready to squash any Diesel Repair issues.

The Diesel Performance Experts

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