The Johnson F4 impeller is an essential replacement for marine engine cooling pumps, designed to deliver efficiency and durability under the most demanding nautical conditions. Compatible with various Yanmar, Mase, Westerbeke, Vetus, and Nani references, this impeller ensures a constant water flow and protects your engine from overheating.
Compatibility
- Yanmar: 128990-42200 and 128990-42570
- Mase: 910000
- Westerbeke: 33636, 37431, 48080
- Vetus: STM8061
- Nani: 43401
Technical Features
- Material: High resistance rubber compound
- Johnson References: 034440, W34440
- Easy Installation: Direct replacement of the old impeller
Advantages
- Ensures optimal operation of the cooling system
- Supports preventive engine maintenance
- Long service life under intensive use
Applications
- Replacement for water pumps in inboard engines and generators
- Professional and recreational use
Maintenance Tips
- Replace the impeller each season or every 200 hours of use
- Lightly lubricate to facilitate installation
| Reference | Brand | Compatibility |
|---|
| JOH09-810B | Johnson | Yanmar, Mase, Westerbeke, Vetus, Nani |
