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Starter motor for Mercury Mariner outboard, marine engine part, 4Boats UK
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Starter motor for Mercury Mariner outboard 75-300 HP, marine engine part by 4Boats
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Starter motor for Mercury Mariner outboard, marine engine part, 4Boats UK

Starter Motor for Mercury Mariner 75-300HP 2-Stroke 50-853329T 50-853329T01

6794N

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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.
£220.00 £199.99 Save £20.01
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Tax included.

Starter Motor 50-853329T

For Mercury & Mariner 75HP - 300HP Outboards

This high-performance starter motor is a precision-engineered replacement for Mercury and Mariner 2-stroke outboard engines ranging from 75HP up to 300HP. Specifically designed for high-compression Optimax and DFI models, this unit utilizes Permanent Magnet Gear Reduction (PMGR) technology to deliver superior cranking torque and faster engine starts, even in harsh marine environments.

RELIABILITY: Built with high-quality magnets and sealed housings to resist corrosion and moisture, ensuring long-lasting performance on the water.

Key Features

  • ✔ Direct fit OEM replacement
  • ✔ PMGR Technology for high torque
  • ✔ 14-Tooth precision pinion gear
  • ✔ Marine-grade corrosion resistance

Technical Specs

Voltage: 12V
Rotation: CCW (Counter-Clockwise)
Teeth Count: 14 Teeth
Pinion OD: 34.9mm / 1.374in
Unit Type: PMGR

Compatibility / Fitment Guide

Make/System Model/Application Notes
Mercury / Mariner 75HP - 90HP Optimax (DFI) 3-Cylinder models
Mercury / Mariner 115HP - 125HP Optimax 2001 & Newer
Mercury / Mariner 135HP, 150HP, 175HP, 200HP V6 Optimax / DFI
Mercury / Mariner 225HP, 250HP, 300HP 3.0L Optimax / Pro XS
Mercury Racing 200XS, 225X, 250XS, 300X High Performance models
Sport Jet 200, 240, 250 DFI Jet Drive Powerheads

OEM Cross Reference

Mercury Marine: 50-853329T, 50-853329T01, 50-892339T, 50-892339T01, 50-893892T
Sierra Marine: 18-6440
Arco Marine: 5400
API Marine: MOT3020
Delco: 9000855, 9000974

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. This 14-tooth version is typical for Optimax and DFI models.

Why is this unit better than the old PMDD style?

This unit uses PMGR (Permanent Magnet Gear Reduction) technology, which provides significantly higher cranking torque with lower current draw compared to older, larger direct-drive starters.

Note: Please verify your original part number and tooth count 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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