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Engines and Components› Pistons and Piston Rings

Mahle

Mahle Rings Perf Steel Napier THM-13 4.505in x .043in .135 RW Plain Ring Set (48 Qty Bulk Pack)

$1,085.82 $362.29 Save $723.53

SKU: M002 3021249B

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This plain ring set helps achieve reliable engine sealing and performance. It fits 4.505-inch bore engines for precise compatibility and is constructed from steel for durability and long-lasting wear. It includes 48 rings in a bulk pack for cost-effective maintenance, and the plain ring design reduces friction for improved efficiency. Part #3021249B from Mahle, a trusted OEM brand.

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 3021249B

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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