Performance Diesel, Inc. (PDI) is located in Houston, Texas. We are the MAN diesel engine distributors for the Southern and Eastern United States. Performance Diesel packages and supplies MAN "high-speed" marine engines for major OEM 's and boat builders. In addition, we carry a full line of replacement parts for many other marine diesel engines, generators, and transmissions. We also offer 24 hr. full-service marine diesel engine repair services.