Mercury Mariner outboard starter motor for boat engines, black metal part on white background

Black starter motor for Mercury Mariner 2-stroke outboard, marine engine part from 4Boats UK

Black starter motor for Mercury Mariner outboard, marine engine part from 4Boats UK

Starter motor for Mercury Mariner 2-stroke outboard, black housing, 4Boats marine part

Mercury Mariner 2-stroke outboard starter motor, marine engine part, black, for 4Boats UK

Mercury Mariner outboard starter motor for boat engines, black casing, 4Boats marine part

Black Mercury Mariner 2-stroke starter motor, marine engine part from 4Boats UK

Starter motor for Mercury Mariner outboard, marine engine part from 4Boats UK

Black marine starter motor for Mercury Mariner outboards, shown close-up on white background.

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£149.99

Tax included.

Starter Motor 50-90983A1

Name: Starter Motor for Mercury Mariner 6-25HP 2-Stroke 50-90983A1 50-893889T 18-5611
Price: 149.99 GBP
Rating: 5.0 (1 reviews)

For Mercury & Mariner 6-25HP 2-Stroke Outboards

This premium aftermarket starter motor is a precision-engineered replacement for Mercury and Mariner 2-stroke outboard engines ranging from 6HP to 25HP. Built to withstand the harsh marine environment, it provides reliable cranking power and consistent performance for your vessel.

RELIABILITY: Manufactured to PMDD (Permanent Magnet Direct Drive) standards to meet or exceed original equipment performance.

Key Features

✔ Direct fit for 2-stroke small outboards
✔ 10-Tooth drive gear for secure engagement
✔ Corrosion-resistant finish
✔ PMDD Type motor for efficient starting

Technical Specs

Voltage:	12V
Rotation:	CCW (Counter-Clockwise)
Teeth:	10
Mounting:	2-Bolt (1 Oblong)
Weight:	1.67 kg (Approx)

Compatibility / Fitment Guide

Horsepower	Engine Range	Years
6 - 15 HP	2-Stroke Models	1986 - 2005
18 - 25 HP	2-Stroke Models	1980 - 2005
Specific Models	15EH, 15EL, 20E, 20EL, 25E	Check SN/PN

OEM Cross Reference

Mercury Marine:	50-90983A1, 50-90983T1, 50-893889T, 8M0033984
Sierra Marine:	18-5611, 18-5639
Arco Marine:	5367
Other References:	Lester 5724, MOT3000, 5216040

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, it is a guaranteed fit.

Will this fit my 4-stroke Mercury engine?

No, this specific starter is designed for the 2-stroke outboard engine range (6-25HP). 4-stroke models typically use different mounting patterns and drive gears.

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

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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Starter Motor for Mercury Mariner 6-25HP 2-Stroke 50-90983A1 50-893889T 18-5611