Mahle

Mahle Motorsport Cummins 5.9L 12V Piston Set 4.035 in. Bore 16.5:1

SKU: mhl197952235 UPC: 197952235
In stock - 2 items available
$908.71

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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.

A six-piston set from Mahle Motorsport for the 5.9L Cummins 12V, sized at 4.035 in. with a -47.6cc crown volume that puts compression at 16.5:1.

Key Features

  • M174+ cast performance piston with a coated skirt
  • Bore: 4.035 in. | Stroke: 4.724 in. | Rod: 7.559 in
  • Crown volume -47.6cc for a 16.5:1 compression ratio
  • Early 12V and marine-style bowl with a short pin design
  • S42170 ring set included
  • Listed weight: 1171 grams each
  • Sold as a set of six pistons

Fitment

  • Cummins 5.9L B-Series 12V diesel
  • 4.035 in. bore
  • Uses the 4.035 in. S42170 ring set (included)

Product Details

  • Manufacturer Part Number: 197952235
  • Brand: Mahle Motorsport
  • Bore: 4.035 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: 16.5:1
  • Alloy: M174+
  • Weight: 1171 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: 9.7

Shipping Length: 13.4

Shipping Width: 11.7

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