Mase 912357 Alternator V-Belt for Yanmar 4TNE84 119865-42290E
MAS912357
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Mase / Yanmar 4TNE84 Alternator V-Belt
A36.5 | 912357 / 119865-42290E
Replacement A36.5 V-belt for Mase generator installations using the Yanmar 4TNE84 engine and identifying the alternator belt as Mase 912357.
Key Features
- A36.5 V-belt profile
- For documented Yanmar 4TNE84 engine installations
- Mase service reference 912357
- Cross-reference to Yanmar 119865-42290E
- Single external belt supplied
Technical Specs
| Belt designation | A36.5 |
| Part type | Alternator/accessory V-belt |
| Engine | Yanmar 4TNE84 (where specified) |
| Mase reference | 912357 |
| 4Boats SKU | MAS912357 |
Compatibility / Fitment Guide
Verified basis: Mase generator applications using the Yanmar 4TNE84 engine where the service information lists alternator belt 912357 / Mase 3B7-06902-1 and Yanmar A36.5 belt 119865-42290E.
The Yanmar reference is also used on some 4TNE88 industrial installations, but generator fitment must still be confirmed from the Mase model and serial-specific parts list.
Part Number Cross Reference
| Mase | 912357 |
| Mase alternate | 3B7-06902-1 |
| Yanmar | 119865-42290E |
| Belt code | A36.5 |
Cross-reference numbers are for dimensional identification. Confirm pulley profile, belt route and tension adjustment before ordering.
Frequently Asked Questions
Will it fit every Mase generator?
No. Confirm 912357 in the exact parts list.
Is it for 4TNV84T?
Not by this reference; 4TNV84T applications can list a different belt.
Is it a timing belt?
No. It is an external V-belt.
What is included?
One belt only.
Never select a drive belt by approximate length alone; profile and reference must also match.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
