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Exterior Components› Body Panels and Components

Mahle

Engine Piston Ring Set 40451.020

$68.08 $61.90 Save $6.18

SKU: M002 40451020

In Stock
In Stock
Ships by Jun 14
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle Original 40451.020 is a premium piston ring set designed for engine rebuilding. This set features a 4.020 inch bore and includes moly compression rings with 5/64 inch thickness and cast iron material, along with a 3/16 inch oil ring.

These rings are pre-lapped for immediate seating, minimizing break-in time. They are engineered with optimized materials, coatings, and tension for reduced friction and extended engine life.

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 40451020

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.

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