Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.
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Genuine Cummins Part
Replaces old part number 4089501.
This is a Piston Ring Set for Cummins engines. This is a genuine Cummins part shipped with a 12-month warranty.
Call us at 888.687.0539 with questions or buy online. As always, your satisfaction is guaranteed!
RING SET - KT
$90.57
PISTON RING SET - K SERIES
$101.47
GASKET,TURBOCHARGER
$267.78
