Engines and Components› Oiling Systems

SIERRAMARINE

DRAIN SCREW O-RING (PRICED PER PKG

$17.56

SKU: S08C 18-4253-9

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Non-Returnable Item

Description

The Sierra 18-4253-9 is a drain screw O-ring. It is designed for use with drain screw 18-1236 and is sold in a pack of five.

This O-ring is a replacement for OMC part number 336982, Mallory part number 9-76653, and GLM part number 45290. It is also compatible with Johnson and Evinrude outboard engines, as well as OMC stern drives and Cobra engines.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-4253-9

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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