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Starter Motor Mercury 10-30HP 4-Stroke Outboard 50-853805T03 50-8M0147039

Starter Motor Mercury 10-30HP 4-Stroke Outboard 50-853805T03 50-8M0147039

SKU:18319N

Regular price £129.99 GBP
Regular price Sale price £129.99 GBP
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Premium Starter Motor for Mercury Outboards

Reliable Ignition for Mercury 10-30HP & Tohatsu 9.9-70HP 2 & 4-Stroke Engines

Ensure dependable starts every time with our high-performance aftermarket starter motor, specifically designed for a wide range of Mercury and Tohatsu outboard engines. This robust unit is engineered to meet or exceed OEM specifications, providing a seamless and efficient replacement for your worn or faulty starter.

Built for the challenging marine environment, this starter motor offers superior corrosion resistance and consistent power delivery, making it an essential component for maintaining the reliability of your vessel. Don't let a failing starter leave you stranded; upgrade to a motor that's built to last.

DIRECT FIT / KEY SELLING POINT: Direct OEM-style replacement for Mercury/Mariner 50-853805T03 & 50-8M0147039, ensuring hassle-free installation and optimal performance.

Key Features

  • Optimized Performance: Engineered for strong, consistent starting power in marine conditions.
  • Marine-Grade Durability: Constructed with high-quality materials for extended life and corrosion resistance.
  • Precise Fitment: Designed as a direct replacement, matching original specifications for easy installation.
  • OEM Cross-Compatibility: Replaces multiple OEM part numbers for broad application coverage.

Technical Specs

Voltage: 12 Volts
Power: 0.6 kW
Rotation: Counter-Clockwise (CCW)
Teeth on Drive: 9-Tooth Pinion
Weight: Approx. 1.8 kg (3.97 lb)

Vehicle Fitment Guide

Make Model (HP) Engine Type Year Range
Mercury 10HP, 15HP, 20HP, 25HP, 30HP 4-Stroke (Tohatsu Based) 2006-Up
Tohatsu 9.9HP, 15HP, 18HP, 20HP, 25HP, 30HP 4-Stroke (Various)
Tohatsu 40HP, 50HP, 70HP 2-Stroke 2003-2014

OEM Part Number Cross Reference

Mercury / Mariner 50-853805T03, 50-8M0147039, 853805T03
Tohatsu 3C8-76010-1, 3C8760101, 3C8760101M
Hitachi S108-94, S108-112, S108-120
Sierra 18-6432
Arco 3412
API Marine MOT5005N
Arrowhead SHI0052
WAI 18319N

Frequently Asked Questions

What Mercury models is this starter motor compatible with?

This starter motor is compatible with Mercury 10HP, 15HP, 20HP, 25HP, and 30HP 4-stroke (Tohatsu based) outboard engines from 2006 onwards.

Does this starter replace OEM part numbers 50-853805T03 and 50-8M0147039?

Yes, this aftermarket starter motor is a direct and fully compatible replacement for Mercury/Mariner OEM part numbers 50-853805T03 and 50-8M0147039, as well as several Tohatsu and Hitachi numbers.

What are the key technical specifications of this starter motor?

It is a 12-volt unit with 0.6 kW power, featuring a 9-tooth pinion drive and counter-clockwise (CCW) rotation, specifically designed for marine applications.

Note: Please verify your bike's model and year before purchasing.
Fast shipping available across the UK and Europe.

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Shipping calculated at checkout. Free shipping over £150. Terms apply