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Starter Motor for Mercury Mariner 50-90HP Outboards 12V CCW 10T Replaces 5057485

Starter Motor for Mercury Mariner 50-90HP Outboards 12V CCW 10T Replaces 5057485

SKU:5287

Regular price £105.00 GBP
Regular price Sale price £105.00 GBP
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Premium Starter Motor for Mercury & Mariner Outboards

Reliable Starting Power for 50-90HP Engines (12V, CCW, 10-Tooth)

Ensure your marine adventures start smoothly with our high-quality aftermarket starter motor, specifically designed for Mercury and Mariner outboard engines. This robust unit is engineered to deliver dependable cranking power, replacing your worn or faulty original starter with a component built to last in demanding marine conditions.

Crafted with precision and tested for ultimate reliability, this starter motor is a direct fit for a wide range of 50HP to 90HP Mercury and Mariner models. Experience quick and efficient engine ignition every time you hit the key, providing you with peace of mind on the water.

DIRECT FIT / KEY SELLING POINT: Engineered to meet or exceed OEM specifications, ensuring seamless installation and optimal performance for your outboard.

Key Features

  • Optimized for Marine Use: Constructed with durable materials to resist corrosion and withstand harsh saltwater environments.
  • Reliable Performance: Each unit is rigorously tested to ensure consistent and powerful starting.
  • Direct Replacement: Designed for straightforward installation without modifications.
  • Cost-Effective Solution: High-quality aftermarket part offering excellent value compared to OEM alternatives.

Technical Specs

Voltage: 12V
Rotation: Counter-Clockwise (CCW)
Teeth: 10
Design Type: PMDD (Permanent Magnet Direct Drive)
Field Case Length: 128.9mm / 5.07"

Vehicle Fitment Guide

Make Model (HP Range) Year Range
Mercury Marine 50-90 HP Outboards (e.g., 50ELO/ELPTO, 60EL/ELO/ELPT/ELPTO, 65HP, 70E/EL/ELPT/HP) Various 1972-1999
Mariner 50-90 HP Outboards (e.g., 50ELO/ELPTO, 60EL/ELO/ELPT/ELPTO, 65HP, 70E/EL/ELPT/HP) Various 1972-1999

OEM Part Number Cross Reference

Mercury Marine 50-57485, 50-65436, 50-66015, 50-66015-2, 50-60315, 50-88119, 50-893891
Prestolite MGD4108, MGD4108A, 20513503TBA
United Technologies 4820140-M030SM, SM48201
Sierra Marine 18-5606

Frequently Asked Questions

What makes this starter motor suitable for marine environments?

This starter is built with robust components designed to resist corrosion from saltwater and withstand the high humidity and temperature fluctuations common in marine applications, ensuring longevity and reliable operation.

How do I know if this starter motor is compatible with my Mercury or Mariner outboard?

Please cross-reference the OEM part numbers listed in our fitment guide with the number on your existing starter or in your engine's manual. This unit is compatible with various Mercury and Mariner 50-90HP outboards, typically from the 1972-1999 year range.

Note: Please verify your bike's model and year before purchasing.
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Shipping calculated at checkout. Free shipping over £150. Terms apply