Sinister Mfg. Company, Inc.

Sinister Diesel is a leading provider of high-performance parts and accessories, dedicated to serving the needs of diesel enthusiasts and professionals alike. With our commitment to quality, innovation, and exceptional customer service, we have established ourselves as a trusted name in the diesel industry. At Sinister Diesel, we understand the passion that drives diesel enthusiasts. Whether you`re seeking increased power, improved fuel efficiency, or enhanced reliability, we have the products and expertise to help you achieve your goals. Our comprehensive range of diesel parts and accessories covers various makes and models, including the Ford Powerstroke, Chevy/GM Duramax, and Dodge/RAM Cummins. We take great pride in manufacturing our parts right here in the USA. We firmly believe in supporting American manufacturing and providing our customers with products of the highest quality.