This Clevite MAHLE Original Diesel piston ring kit is for the Dodge Cummins 5.9L and covers a single cylinder. The rings are ductile iron with a ceramic chrome finish, sized for a 4.016 inch bore, with a drop-in design and standard tension.
Specifications:
- Type: Piston rings, MAHLE Original Diesel, drop-in
- Bore: 4.016 in
- Ring size: 3.0 x 2.38 x 4.0 mm
- Tension: standard
- Material: ductile iron
- Coating: ceramic chrome
- Coverage: 1 cylinder
- Sold as: kit
- Engine: Dodge Cummins 5.9L diesel I6
- Part number: S42170
Engine Application: Dodge Cummins 5.9L diesel I6.
FAQ
What engine does the Clevite S42170 ring kit fit?
It is listed for the Dodge Cummins 5.9L diesel with a 4.016 inch bore.
How many kits do I need?
Each kit covers one cylinder. The Cummins 5.9L is an inline-6, so six kits are needed to ring a complete engine.
What bore does this kit fit?
It is sized for a 4.016 inch bore. Check your cylinder bore before ordering if the block has been machined oversize.

