Skip to product information
1 of 9

4Boats

Starter Motor for Mercury Mariner 70-150 HP 2-Stroke 50-819085 50-819085-1

Starter Motor for Mercury Mariner 70-150 HP 2-Stroke 50-819085 50-819085-1

Regular price £82.99 GBP
Regular price £120.00 GBP Sale price £82.99 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.
Quantity

Starter Motor 50-819085

Premium Replacement for Mercury & Mariner 70-150 HP 2-Stroke

Upgrade your marine starting system with this high-performance PMDD (Permanent Magnet Direct Drive) starter motor. Engineered specifically for the demanding 2-stroke cycles of Mercury and Mariner outboards ranging from 70 HP up to 150 HP, this unit ensures reliable cranking even in the harshest saltwater or freshwater environments.

RELIABILITY: Built to meet or exceed original OEM specifications for rapid ignition and long-term durability.

Key Features

  • ✔ Direct fit for easy bolt-on installation
  • ✔ High-grade corrosion-resistant materials
  • ✔ Upgraded steel shafts and precision drive gears
  • ✔ Marine-grade sealed housing for protection

Technical Specs

Voltage: 12V
Rotation: CCW (Counter-Clockwise)
Teeth: 9-Tooth Pinion
Design: PMDD
Mounting: 2-Bolt Flange

Compatibility / Fitment Guide

Make/System Model/Horsepower Notes
Mercury / Mariner 70HP, 75HP, 80HP, 90HP, 100HP, 115HP, 125HP, 150HP 2-Stroke Outboards
Force Outboards 85HP, 90HP, 120HP, 125HP, 150HP 1983 - 1999 Models
Chrysler Marine 80HP, 85HP, 90HP 1965 - 1984 Models

OEM Cross Reference

Mercury Marine 50-819085, 50-819085-1, 50-819085-T1, 50-583869, 50-616955-1, 819085T1
Prestolite 46-2002, 46-2154, 46-2339, 46-2344, 46-2346, MGL4002, MGL4013
United Tech 4412040, SM44120, SM52734, 5273440-M030SM
Sierra Marine 18-5613, 18-5644
Arco Marine 5393
Lester Nos 5268, 5732, 5739

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.

How do I know if it is compatible?

We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these (specifically the 50-819085 series), it is a guaranteed fit.

Will this fit my 150HP Mercury Black Max?

Yes, this starter is designed for the 70-150 HP 2-stroke range, which includes many of the popular V6 Black Max models using the 9-tooth CCW configuration.

Note: Please verify your original part number against the references above before purchasing. For support, please visit 4boats.co.uk.

View full details