Oils, Fluids and Sealer› Oils, Fluids and Additives

SIERRAMARINE

GALLON, 10W-40 FC-W SEMI SYN

$49.78

SKU: S08C 18-9551-3

In Stock
In Stock
Ships by Jun 14
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Non-Returnable Item

Description

The SIERRA 18-9551-3 is a 1-gallon container of 10W-40 semi-synthetic marine engine oil. It is NMMA FC-W Certified and API-SL rated, designed to provide superior protection for 4-stroke engines under high loads and operating stress.

This oil is a direct replacement for specific Suzuki outboard oil part numbers, including 990C0-10W40-1GL and 990C0-01E30-GLN. The semi-synthetic formulation offers enhanced lubrication and wear resistance for marine applications.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-9551-3

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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