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Engines and Components› Pistons and Piston Rings

Mahle

Mahle Rings Performance Napier Steel 2nd Ring 4.080in x 1.0MM .136in RW Bulk Pack Plain Ring Set

$549.08 $191.13 Save $357.95

SKU: M002 3021286B

In Stock
In Stock
Ships by Jun 16
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Non-Returnable Item
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Description

The Mahle 3021286B is a set of performance Napier steel second piston rings, designed for a 4.080-inch bore with dimensions of 1.0MM thickness and 0.136-inch radial wall. This bulk pack contains 48 rings, suitable for rebuilds or performance upgrades where specific piston dimensions are met.

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 3021286B

Videos

How to Properly Install Rings on a Piston

How to Properly Install Rings on a Piston
Installing Rings on the Piston

Installing Rings on the Piston
Piston Ring Order

Piston Ring Order
Oil Ring FAQs

Oil Ring FAQs
A Look at Piston Coatings

A Look at Piston Coatings
Performance Diesel Cast Pistons vs OE Pistons

Performance Diesel Cast Pistons vs OE Pistons
Choosing The Right Piston Alloy - 4032 or 2618

Choosing The Right Piston Alloy - 4032 or 2618

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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