Exterior Components› Body Panels and Components

SIERRAMARINE

THRUST FOWARD BEARING

$86.39

SKU: S08C 18-1370

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item

Description

The Sierra Marine 18-1370 is a thrust forward bearing designed for OMC sterndrive applications. It replaces several OEM part numbers, including OMC 0389042, Aqua Power 2774, GLM 16340, Redline RL1370, and Sterndrive 93-306-19.

This bearing is a component within the marine engine's gearcase, contributing to smooth operation and power transfer. It is an OEM-quality replacement part intended to maintain, tune up, or overhaul marine propulsion systems.

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 18-1370

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.

View Full Return Policy