Starter motor for Mercury Mariner outboard 225 250 HP, marine boat part from 4Boats

Starter motor for Mercury Mariner outboard 225 250HP, marine engine part, 4Boats UK

Starter motor for Mercury Mariner outboard, black cylindrical marine engine part

Starter motor for Mercury Mariner outboard 225 250 HP, black and silver, marine part

Starter motor for Mercury Mariner outboard 225 250HP, black metal casing, from 4Boats UK

Starter motor for Mercury Mariner outboard 225 250HP, marine boat part from 4Boats UK

Starter motor for Mercury Mariner outboard 225-250HP, marine engine part from 4Boats UK

Mercury Mariner starter motor component for 225 250 HP outboard, 4Boats marine parts

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£235.00 £165.00 Save £70.00

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Starter Motor 50-818445

Name: Starter Motor for Mercury Mariner 225 250 HP 2-Stroke V6 3.0L 50-818445 18-5620
Price: 165.0 GBP
Rating: 5 (1 reviews)

Premium Replacement for Mercury Mariner 225-250HP 3.0L V6

This high-quality aftermarket starter motor is a direct replacement for the original equipment on Mercury and Mariner 2-stroke outboard engines. Specifically engineered for high-displacement 3.0L V6 models, this unit provides the reliable cranking torque required for large horsepower marine applications.

RELIABILITY: Manufactured to SAE J1171 Marine Ignition Protection standards, ensuring safe operation in marine engine environments.

Key Features

✔ Direct fit 2-bolt top mount design
✔ High-strength drive gear for 3.0L V6 loads
✔ Permanent Magnet Direct Drive (PMDD)
✔ Corrosion-resistant finish

Technical Specs

Voltage	12V
Rotation	CCW (Counter-Clockwise)
Teeth	8-Tooth Pinion
Design	PMDD
Gear OD	25mm (0.984")

Compatibility / Fitment Guide

Engine Type	Horsepower Range	Years
Mercury / Mariner 3.0L V6	225 HP (Carb/EFI/Marathon)	1993 – 2001
Mercury / Mariner 3.0L V6	250 HP (EFI/Magnum)	1994 – 2001
Mercury Promax Racing	300 HP	1998 – 2000
Mercury / Mariner 2.5L V6	200 HP (EFI/CXL)	2000 – 2001

OEM Cross Reference

Mercury Marine	50-818445, 50-818445-2, 50-818445-3, 50-818445-5, 50-818445T, 50-818445T1, 50-898265009
Sierra Marine	18-5620
Arco Marine	5395
API Marine	MOT3011
Lester	5737, 5740

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 starts with 50-818445, this is the correct replacement.

Will this fit the newer 4-stroke models?

No, this specific starter is designed for the 2-stroke V6 (3.0L) engines generally produced between 1993 and 2001. Please check your manual for the correct 4-stroke part number.

Note: Please verify your original part number against the references above before purchasing. Available at 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 225 250 HP 2-Stroke V6 3.0L 50-818445 18-5620