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Engines and Components Pistons and Piston Rings

Mahle

Mahle MS 3.810in+.005in 1.5 1.5 3.0 mm 4cyl File Fit Rings

$113.75 $100.10 Save $13.65

SKU: M002 3815MS-15

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle Motorsport 3815MS-15 is a set of 4-cylinder file-fit piston rings designed for a 3.810-inch bore with a +.005-inch oversize. The set includes two 1.5mm rings and one 3.0mm ring.

The upper compression ring (UCR) features a Plasma Moly coating and is made of ductile iron with a 1.5mm thickness. The lower compression ring (LCR) has a phosphate coating and is constructed from cast iron, also with a 1.5mm thickness. The oil ring (OCR) is chrome-plated stainless steel with standard tension and a 3.0mm thickness.

Fitment

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

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Specifications

BrandMahle
Part NumberM002 3815MS-15

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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