Starter motor for Mercury Mariner outboard motor, black and silver, boat part by 4Boats

Starter motor for Mercury Mariner outboard, black and silver, boat engine part from 4Boats

Starter Motor for Mercury Mariner 35-50 HP 2-Stroke 1965-1983 50-55601A 18-5601

Dispatched in 2-3 days

30 Day Return Policy

In stock, ready to ship
Backordered, shipping soon

Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

£129.99

Tax included.

Starter Motor 50-55601A

Name: Starter Motor for Mercury Mariner 35-50 HP 2-Stroke 1965-1983 50-55601A 18-5601
Price: 129.99 GBP
Rating: 5 (1 reviews)

For Mercury & Mariner 35-50 HP 2-Stroke Outboards

This premium aftermarket starter motor is engineered specifically for classic Mercury and Mariner 2-stroke outboard engines. Designed to provide reliable cranking power in harsh marine environments, it serves as a high-durability replacement for the original 50-55601A series units used on 2-cylinder models from 1965 through 1983.

RELIABILITY: Built to meet or exceed OEM specifications for long-lasting performance and corrosion resistance.

Key Features

✔ Direct fit for 2-cylinder 2-stroke models
✔ Marine-grade internal components
✔ Precision 9-tooth drive gear
✔ High-torque PMDD motor design

Technical Specs

Voltage:	12V
Rotation:	CCW (Counter-Clockwise)
Teeth:	9-Tooth Drive
Type:	PMDD

Compatibility / Fitment Guide

Horsepower	Model Years	Notes
35 HP	1965 – 1969	2-Cylinder 2-Stroke
40 HP	1970 – 1983	Model 402 and early 2-cyl
45 HP	1960s – 1970s	Please verify SKU
50 HP	1965 – 1975	4-Cylinder and 2-Cylinder models

OEM Cross Reference

Mercury Marine	50-55601A, 50-55601A2, 50-55601, 50-38890A1, 50-37345, 50-32411, 50-30829
Sierra Marine	18-5601
Arco Marine	5366
Lester / WAI	5707 / 5400N

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.

Does this starter come with the drive gear?

Yes, this unit comes complete with a precision-machined 9-tooth drive gear already installed and ready for mounting.

Note: Please verify your original part number against the references above before purchasing. Domain: 4boats.co.uk

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

Free delivery for most items over £150.

Why choose us

ITS ALL ABOUT THE QUALITY

We source the best products from the Top suppliers only. We’ve taken years of feedback and have doubled down on providing the best service.

TEAMWORK MAKES THE DREAMWORK

Our Suppliers and Partners are joining us in our commitment to challenge the way this industry operates. From product sourcing to fulfilling, they’re the best in the business.

Simple_Image_Play_Built_into_Routine_Cosmetics_TikTok_In-Feed_Ad_1080_x_1080_px_10 - 4Boats

YOU MATTER TO US.

All your orders are personally checked by a member of 4 BOATS and we make sure your orders are dispatched quickly so it arrives to your doorstep ASAP

Starter Motor for Mercury Mariner 35-50 HP 2-Stroke 1965-1983 50-55601A 18-5601