SKU: M77S42170
UPC: 027067878311
MPN: S42170
The Piston Ring Set Chrome Dodge Cummins 5.9L is a precision-engineered OEM replacement designed for owners and mechanics rebuilding or maintaining the Cummins 5.9L diesel engine. This complete ring set addresses wear, blow-by, and compression loss that occur naturally over high-mileage service, restoring engine efficiency and power delivery.
This piston ring set is designed to meet OEM specifications, ensuring proper sealing geometry on the 5.9L platform. The compression rings resist scuffing and wear, while oil control rings manage ring flutter and maintain optimal oil film thickness even under boost and high cylinder pressure. The set incorporates precision-ground profiles that accommodate thermal expansion cycles inherent to turbodiesel operation.
Dodge Cummins 5.9L owners—from light-duty 12-valve and 24-valve to 2003–2007 common-rail platforms—benefit most from this ring set during top-end rebuilds or complete engine overhauls. Installation requires proper honing techniques, correct piston-to-ring gap verification, and ring installation with appropriate tools.
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