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Starter Motor for Mercury 75-115HP 4-Stroke EFI 50-879345T77 S1230 14-Tooth CCW

Starter Motor for Mercury 75-115HP 4-Stroke EFI 50-879345T77 S1230 14-Tooth CCW

£252.00 GBP
£252.00 GBP
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Starter Motor 50-879345T77

Premium Quality Replacement for Mercury 4-Cylinder EFI

This high-performance starter motor is engineered specifically for the demanding marine environments of Mercury 4-cylinder EFI 4-stroke outboards. Built to OEM standards, it ensures reliable cranking and smooth engagement for engines ranging from 75HP to 115HP.

RELIABILITY: Features moisture-sealed internal components and corrosion-resistant coatings to exceed original equipment performance in saltwater and freshwater conditions.

Key Features

  • ✔ Direct fit replacement for S1230 models
  • ✔ High-torque PMGR design
  • ✔ Marine-grade internal seals
  • ✔ Precision 14-tooth drive pinion

Technical Specs

Voltage 12V
Teeth 14-Tooth
Rotation CCW (Counter-Clockwise)
Type PMGR

Compatibility / Fitment Guide

Engine Range Serial Number Range Notes
Mercury 75HP EFI (4-Stroke) 1B759588 & Up 4-Cylinder Models
Mercury 80HP EFI (4-Stroke) 1B759588 & Up 4-Cylinder Models
Mercury 90HP EFI (4-Stroke) 1B759588 & Up 4-Cylinder Models
Mercury 100HP EFI (4-Stroke) 1B759588 & Up 4-Cylinder Models
Mercury 115HP EFI (4-Stroke) 1B759588 & Up 4-Cylinder Models

OEM Cross Reference

Mercury Marine 50-879345T77, 50-879150A85, 8M0038387
Mercury Marine 897525T03, 897525T05, 879345T77
Arco Marine 5415
Lester 19512

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part from 4Boats / Aftermarket, 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 50-879345T77 and the Serial Number range (1B759588 & Up) provided. This starter is specifically for the 4-cylinder EFI 4-stroke series.

What is the rotation of this starter?

This unit is CCW (Counter-Clockwise) rotation with a 14-tooth pinion gear, consistent with original Mercury 4-cylinder EFI specifications.

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

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