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