Mahle

Mahle Motorsport Cummins 5.9L 12V Piston Set 4.055 in. Bore 16.7:1

SKU: mhl197952255 UPC: 197952255
In stock
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Call: (503) 662-9752 | Email Us: info@dfispdx.com

$908.71

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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.

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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 Motorsport cast performance pistons for the Cummins 5.9L B-Series 12V, machined to a 4.055 in. bore and a 16.7:1 compression ratio.

Key Features

  • M174+ cast performance piston with a coated skirt
  • Bore: 4.055 in. | Stroke: 4.724 in. | Rod: 7.559 in
  • Crown volume -47.6cc for a 16.7:1 compression ratio
  • Early 12V and marine-style bowl with a short pin design
  • S42170 ring set included
  • Listed weight: 1191 grams each
  • Sold as a set of six pistons

Fitment

  • Cummins 5.9L B-Series 12V diesel
  • 4.055 in. bore
  • Uses the 4.055 in. S42170 ring set (included)

Product Details

  • Manufacturer Part Number: 197952255
  • Brand: Mahle Motorsport
  • Bore: 4.055 in
  • Stroke: 4.724 in
  • Rod length: 7.559 in
  • Compression height: 2.817 in
  • Pin diameter: 1.575 in
  • Crown volume: -47.6cc
  • Compression ratio: 16.7:1
  • Alloy: M174+
  • Weight: 1191 grams
  • Ring set: S42170 included
  • Quantity: Set of 6
  • Compression ratio calculated with 0.019 in. piston protrusion above deck and a 0.060 x 4.150 in. head gasket

Shipping Height: 10.1

Shipping Length: 13.7

Shipping Width: 11.5

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