HP Tuners 6-Position Diesel Switch - H-M04-00Find parts that fit my vehicle

Diesel Switch by HP Tuners lets you power up from a stock calibration to one of five custom maps with the turn of a switch. Pair with HP Tuners' Switch on the Fly OS for complete control and performance of your diesel.

Programmers, chips, and ECU's. Everything you need to tune up your project car. Check out our lists of brands from HKS, Injen, Bosch, K&N, AEM, aFe, and more!

Program your ECU with the proper programming accessories to ensure your vehicle is working at peak performance.

To provide the most complete, cost effective tuning and data acquisition solutions for enthusiasts, professional workshops and dealerships. Our years of success and experience in the automotive industry gives us the competitive advantage to stay ahead of the market, innovate and adapt to future technologies first. Continuing to develop an unprecedented product offering and the necessary technical support to back it up.

How HP Tuners sets the Industry Standard Our latest generation of hardware and software offers the fastest reads and writes, the most competitive price and feature rich products the market has to offer. No other commercial package today can provide you with the ease of use, data integrity, technical support or higher reliability than HP Tuners.

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