The Sea-Doo Oil Pressure Switch is a genuine BRP OEM replacement designed for selected 2002–2005 Sea-Doo 4-TEC personal watercraft. It helps monitor engine oil pressure and sends accurate signals to the warning system, supporting reliable engine operation.
This genuine part carries OEM number 420856538 and replaces 420256777, ensuring proper fit and performance for compatible models.
Product Details
- Product: Sea-Doo Oil Pressure Switch
- Brand: BRP
- OEM Part Number: 420856538
- Replaces: 420256777
- Compatibility: Selected 2002–2005 Sea-Doo GTX 4-TEC and other compatible 4-TEC models
- Condition: Genuine OEM replacement
Features
- Genuine BRP factory part for dependable quality.
- Designed for accurate oil pressure monitoring.
- Direct replacement for OEM 420856538.
- Replaces older part number 420256777.
- Helps maintain proper engine warning system operation.
- Built for long-lasting performance in marine environments.
Why Choose This Sea-Doo Oil Pressure Switch?
Using a genuine Sea-Doo Oil Pressure Switch helps ensure your watercraft operates as intended by the manufacturer. OEM components provide the correct fit and reliable performance, reducing the risk of compatibility issues associated with aftermarket alternatives.
Always verify your model and OEM part number before ordering to ensure compatibility.






