Engines and Components› Pistons and Piston Rings
Mahle
Engine Piston Ring Set 40722.030
SKU: M002 40722030
Beginner — under 30 min
Description
Constructed with premium materials, the top and second rings are made of cast iron, while the oil ring assembly utilizes stainless steel. The rings are manufactured to specific dimensions, with a bore diameter of 4.320 inches and an oversize of 0.030 inches. Axial height specifications include 5/64 inches for the top and second rings and 3/16 inches for the oil ring assembly.
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
| Brand | Mahle |
| Part Number | M002 40722030 |
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