Exterior Components› Body Panels and Components

SIERRAMARINE

LOWER UNIT SEAL KIT

$96.06

SKU: S08C 18-2623

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sierra Marine 18-2623 is a lower unit seal kit designed for marine engines. This kit replaces OEM part 0439141 and is equivalent to earlier OEM numbers, superseding to part number 5006373. The 18-2623 and 439141 are noted as limited models that require this specific number or an earlier superseded number.

This kit contains various seals, gaskets, O-rings, screws, and washers necessary for lower unit maintenance. It is interchangeable with Mallory part number 9-74106 and Recmar Marine part number REC5006373.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-2623

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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