Specifications
- Brand
- Mahle
- Part #
- S42170-STD
- UPC
- S42170-STD

Mahle MS Cummins B 5.9L (STD) Diesel Ring 1 cyl
$36.43
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Mahle piston ring set for Cummins 5.9L 12V/24V diesel engines. Direct fit for a reliable engine rebuild.
Key Features
- Fits Cummins 5.9L 12V/24V diesel engines.
- Standard size piston ring set.
- Designed for reliable engine sealing and performance.
- From Mahle, a trusted name in engine components.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Mahle is well-known for making solid engine components, and this piston ring set is no different. If you're rebuilding the engine in your Cummins B 5.9L diesel, whether it's the 12-valve or 24-valve version, these standard-size rings are a dependable choice to get your engine back in top shape.
These rings are designed to seal the combustion chamber, ensuring that the power your engine makes stays where it belongs. Proper sealing is key to good compression and efficient operation. Mahle's reputation for well-built parts means you can install these with confidence, knowing they're made to meet the demands of a diesel engine.
Keep in mind that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- S42170-STD
- UPC
- S42170-STD
Frequently Asked Questions
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Mahle MS Cummins B 5.9L (STD) Diesel Ring 1 cyl




