Engines and Components› Pistons and Piston Rings

Mahle

359cid 4.015 x 2.817CH 4.724stroke 7.559rod 1.575pin -54.5cc TBDg 14.8CR M174

$154.04

SKU: M002 197952315-1

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle 197952315-1 is a replacement piston designed for the Cummins 5.9L B Series engine. This piston features a cast M174+ material and a cast iron lower compression ring (LCR) material. It includes rings with thicknesses of 3.0mm, 2.4mm, and 4.0mm, with a 4.0mm upper compression ring (OCR) thickness and a 3.0mm keystone upper compression ring (UCR) coating. The piston has a bore diameter of 4.015 inches, a stroke of 2.817 inches, a rod length of 7.559 inches, and a pin diameter of 1.575 inches. It also features a piston dish volume of -54.5cc and a compression ratio of 14.8.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMahle
Part NumberM002 197952315-1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy