About US

About Sinister Diesel

Welcome to Sinister Diesel, where performance, quality, and customer satisfaction are at the heart of everything we do. Based right here in Roseville, California. Founded in 2009 we are proud to be a leading manufacturer of direct replacement & high-performance parts and accessories for diesel-powered trucks. Our commitment to excellence extends from our state-of-the-art manufacturing processes to our dedication to delivering unmatched customer service.

Build for Performance, Made To Last

At Sinister Diesel, we design and manufacture top-tier parts engineered for durability and precision. Our products—including, coolant filtration kits, oil filtration kits, fuel filtration kits, intercooler pipes, headers, up-pipes, cold air intakes and more—are built to enhance the power, efficiency, and longevity of your diesel engine. Whether you’re driving a Powerstroke, Cummins, or Duramax, our USA-made parts are crafted to meet the highest performance standards.

Trusted by Diesel Enthusiasts Nationwide

We’re honored to have earned thousands of 5-star Google reviews from loyal customers who trust Sinister Diesel for their trucks. Our outstanding reputation reflects our unwavering commitment to quality and customer satisfaction. Every product we create undergoes rigorous testing to ensure it meets the demands of both everyday drivers and performance enthusiasts

Customer Service You Can Count On

At Sinister Diesel, we believe our customers deserve the best—not just in the parts they buy but in the service they receive. From the moment you contact us to the time your order arrives, our team is here to provide expert guidance, fast shipping, and hassle-free support. Your satisfaction is our number one priority.

Why Choose Sinister Diesel?

Top-Quality Products: Precision-engineered parts for Powerstroke, Cummins, and Duramax engines.
Outstanding Reputation: Thousands of 5-star Google reviews from satisfied customers.
Unmatched Customer Service: A team that’s here to support you every step of the way.

Discover why truck owners across the nation trust Sinister Diesel to keep their vehicles running stronger and longer. Explore our extensive catalog and experience the Sinister Diesel difference today!