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PMD

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A Pump Mounted Driver (PMD) is the black box on the side of the injection pump on 6.5L diesel in GM vehicles. This has been a major problem for 6.5L diesel owners since its introduction on the 1994 6.5L electronically controlled DS4 fuel injection pump. The PMD is a solenoid pack that builds up the heat and uses the injection pump, and the fuel running through it, to absorb that heat. Call us toll-free at 1-859-737-4966 with any questions concerning truck PMD.

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