MAHLE Original Piston Ring Set Cummins Standard Single Cylinder B Series

SKU: mhlS42221 UPC: 27067928788
In stock - 10 items available
Regular price $105.90

Have a question about this part? We'll answer it.

Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

MAHLE Original S42221 is an OE-quality piston ring set for the Cummins, supplied in standard bore. It carries rings for a single cylinder.

Key Features

  • Manufactured to MAHLE Original OE specification
  • Direct replacement for the factory ring pack
  • Chrome faced rings
  • Ceramic chrome top ring

Fitment

  • Application: Cummins B-Series
  • Engine series: B Series
  • Aspiration: Turbocharged
  • Size: standard
  • Confirm bore size and engine application before ordering

Product Details

  • Brand: MAHLE Original
  • Product type: Piston ring set
  • Face coating: Chrome
  • Position: Upper compression ring (top)
  • Manufacturer Part Number: S42221

Shipping Height: 1.0

Shipping Length: 4.0

Shipping Width: 3.0

Rebuilt by Techs Who Only Do Diesel

Injectors, pumps, and turbos, serviced by people who've been doing this for decades — not a parts counter with a catalog.

Get A Quote