Starter Motor 128170-77010 for Yanmar Marine Diesel 1GM 2GM 3GM Series 12V 1.0kW

STARTER MOTOR 128170-77010 for YANMAR 1980-Up (1GM, 2GM, 3GM Series) Marine Diesel Engines - 4Boats

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£139.99

Tax included.

Starter Motor 128170-77010

Name: Starter Motor 128170-77010 for Yanmar Marine Diesel 1GM 2GM 3GM Series 12V 1.0kW
Price: 139.99 GBP
Rating: 5 (1 reviews)

Premium Replacement for Yanmar GM-Series Marine Diesels

Ensure your vessel starts reliably every time with this high-torque, marine-grade starter motor. Designed specifically for the iconic Yanmar GM series, this direct-fit aftermarket unit offers the cranking power required for diesel ignition in demanding marine environments. Precision-engineered to meet Hitachi S114-303 specifications, it provides a cost-effective yet dependable alternative to expensive OEM units.

RELIABILITY: Built with corrosion-resistant housings and high-temperature internal windings to withstand the salt-air environment of your engine room.

Key Features

✔ Direct fit for Yanmar 1GM, 2GM, 3GM
✔ 9-Tooth pinion gear for precise mesh
✔ Clockwise (CW) rotation
✔ High-output 1.0kW power rating
✔ Easy 2-bolt flange installation

Technical Specs

Voltage:	12V
Power:	1.0 kW
Rotation:	Clockwise (CW)
Pinion Teeth:	9 Teeth
Flange Diameter:	70mm
Mount Bores:	2 Holes

Compatibility / Fitment Guide

Engine Model	Cylinders	Notes
Yanmar 1GM / 1GM10	1-Cyl	Marine Diesel (1980-Up)
Yanmar 2GM / 2GM20 / 2GMF	2-Cyl	Standard & Fresh Water Cooled
Yanmar 3GM / 3GM30 / 3GMF	3-Cyl	Fits 3GM30F & 3GMD Models
Yanmar 3HM / 3HM35	3-Cyl	Verify OE Part Number

OEM Cross Reference

Yanmar	128170-77010, 128170-77011, 128170-77012
Hitachi	S114-303, S114-303A, S114303, S114303A
Bosch	SR5052N
Lucas	LRS01128
Arrowhead	SHI0080

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 starter fit the newer 3YM series engines?

While primarily designed for the GM series (1GM, 2GM, 3GM), it is often cross-compatible with early 3YM series engines. However, always verify your existing starter's part number against 128170-77010 to ensure the mounting and gear teeth are identical.

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

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Starter Motor 128170-77010 for Yanmar Marine Diesel 1GM 2GM 3GM Series 12V 1.0kW