Cummins 5.9

by j. Winsor
(Santa Fe, NM)

What size unit for a 5.9 cummins diesel?

Comments for Cummins 5.9

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Response From


For your 5.9L the D-7 Hydrogen Ki is the one you want. You don't state what year but you also may need a MAP/MAF Sensor Enhancer.

Feel free to contact us if you have questions.

Thank You

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