Exterior Components› Body Panels and Components

Engineered Marine Products

LOWER UNIT SEAL KIT

$60.42

SKU: E051 26-00318

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

Easy — 1–2 hours

Description

The Engineered Marine Products 26-00318 is a lower unit seal kit for outboard motors. It replaces Sierra part number 18-0021 and Yamaha part numbers 688-W0001-21-00 and 688-W0001-22-00.

This seal kit is designed for specific Yamaha outboard engine models and horsepower ratings, including C75 Hp (1994-99), E75 Hp (1995-00), P75 Hp (1996-99), C80 Hp (1997), C85 Hp (1992-96), 90 Hp (1992-05), B90 Hp (1998-99), and C90 Hp (1997-01).

Fitment

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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

BrandEngineered Marine Products
Part NumberE051 26-00318

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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