Exterior Components› Body Panels and Components

SIERRAMARINE

PISTON RINGS

$60.80

SKU: S08C 18-4088

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sierra 18-4088 is a set of replacement piston rings designed for Evinrude, Johnson, and OMC engines. These standard piston rings feature a bore size of 3.600 inches. They are interchangeable with Johnson/Evinrude part number 436353 and Mallory part number 9-54424.

Fitment

Fitment Guaranteed

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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

BrandSIERRAMARINE
Part NumberS08C 18-4088

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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