Brakes Brake Systems And Components

SIERRAMARINE

OIL SEAL

$30.63

SKU: S08C 18-2019

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

Beginner — under 30 min

Description

The Sierra Oil Seal 18-2019 is a replacement oil seal for Mercury Mariner outboard motors. It is designed to be a direct replacement for Mercury Mariner part number 26-26805. This oil seal is new and comes in original packaging.

This seal has an outside diameter of 1.124 inches, a shaft size of 0.688 inches, and a width of 0.250 inches. It is a quality replacement part offered at a reasonable price.

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

BrandSIERRAMARINE
Part NumberS08C 18-2019

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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