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The Exergy XRG CP4.2 10mm stroker pump is listed for 2019–2020 Chevrolet Duramax 6.7L Cummings applications as a CP4.2-style fuel pump unit. It’s presented as a specific pump option for those model years and engine displacement, intended for installation where a CP4.2 pump of the quoted 10mm stroker specification is required.
Exergy 19-20 Chevrolet Duramax 6.7L Cummings 10mm Stroker CP4.2 Pump
