Gaskets and Seals› Drivetrain Gaskets and Seals

SIERRAMARINE

LOWER UNIT SEAL KIT

$186.94

SKU: S08C 18-8358

Special Order
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 Sierra Marine 18-8358 is a lower unit seal kit designed for Volvo Penta sterndrives. It is specifically compatible with Volvo 280DP and 290DP engines.

This seal kit is a direct interchange for Mallory part number 9-77903 and Volvo Penta part number 876267. Sierra Marine provides premium-quality aftermarket parts.

Fitment

Fitment Guaranteed

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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 18-8358

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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