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Mahle Complete Piston Ring Set (.040) - 04.5-07 Dodge Cummins 5.9L

Thoroughbred Sku #: MCIS42170.040-QTY

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$179.70

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IMPORTANT: This product is sold as a complete engine piston ring set. Individual rings are not available.

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Product Details

Product Name: Mahle Piston Ring Set (.040) - 04.5-07 Dodge Cummins 5.9L
Manufacturer: Mahle
Manufacturer Part #: S42170.040
Thoroughbred Diesel Part #: MCIS42170.040
Fitment Notes: 2004.5-2007 Dodge Cummins 5.9L

High-quality Mahle piston ring set engineered to restore optimal sealing and compression in 2004.5–2007 Dodge Cummins 5.9L diesel engines. These premium rings help control oil consumption, improve combustion efficiency, and support long-term engine reliability—ideal for rebuilds, performance builds, or routine maintenance.

Note: Contains rings for a single cylinder must order a quantity of 6 for a complete set

Mahle Piston Ring SetsMahle Piston Ring Set Features:

  • Precision-manufactured for exact fitment in 2004.5–2007 5.9L Cummins engines
  • Restores compression sealing between piston and cylinder wall
  • Helps control oil consumption and reduce blow-by
  • Designed for reliable performance under diesel operating conditions
  • Manufactured to OE quality standards for durability and fit
  • Ideal for engine rebuilds, overhauls, or performance builds
  • Supports improved combustion efficiency and engine longevity
  • For more on Mahle call us at 1-859-737-4966.

Reviews

  • Will these work on a 2018. Haven't seen anything change on that year for piston size. Double checking before ordering.

    Donald wright | 9/18/2025

    Fitment listed to 2017 by Mahle.