Sinister Diesel - GM Duramax

Shop by Vehicle - GM Duramax
Sinister Diesel is your number one source for high-performance parts and maintenance supplies for your Chevy or GMC Duramax diesel truck. Whether you’re looking for increased performance from your engine, better fuel economy, or some eye-catching style, you’ll find what you’re looking for within our extensive inventory. Click on the category of your choice and get started browsing our huge selection of power-adding product including cold air intakes, turbo kits, and plug-in tuners; replacement parts like our improved EGR coolers, replacement fuel injectors; along with all the gaskets and seals you need for a leak free engine. We can even get you the tools required to get the job done right the first time.

If you have any questions about the products that we carry, give one of our on-staff Duramax experts a call, send us an email, or chat with us live on our website. At Sinister Diesel it’s our mission to make sure that you always get the right parts for the right application so you can keep your GM Duramax diesel truck running strong for miles to come.

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