Oil Pressure Sensor – Fits Volvo Penta Diesel Engines (Replaces 866835)
Oil Pressure Sensor – Fits Volvo Penta Diesel Engines (Replaces 866835) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Oil Pressure Sensor – Fits Volvo Penta Diesel Engines (Replaces 866...
Product Details
This is a direct-replacement Oil Pressure Sensor – Fits Volvo Penta Diesel Engines (Replaces 866835), designed for 0-10 BAR pressure readings. It is compatible with a wide range of Volvo Penta diesel engines, including the D31, D32, D41, D42, D43, D44, D63, D72, D74, D75, D103, D122, D162, D165, D12D, MD2010A, MD2020A, MD2030A, and MD2040A series.
This sensor serves as a direct replacement for Volvo Penta part numbers 862155 and 866835.
- Engineered for direct-fit installation.
- Designed specifically for diesel fuel systems.
- Suitable for single station/single cockpit configurations.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Volvo Penta | 866835 | Superseded by 22899626 on newer engines |
| Volvo Penta | 862155 | Direct interchange |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | D31 | 4-Stroke | 866835 | |
| Volvo Penta | D32 | 4-Stroke | 866835 | |
| Volvo Penta | D41 | 4-Stroke | 866835 | |
| Volvo Penta | D42 | 4-Stroke | 866835 | |
| Volvo Penta | D43 | 4-Stroke | 866835 | |
| Volvo Penta | D44 | 4-Stroke | 866835 | |
| Volvo Penta | D63 | 4-Stroke | 866835 | |
| Volvo Penta | D72 | 4-Stroke | 866835 | |
| Volvo Penta | D74 | 4-Stroke | 866835 | |
| Volvo Penta | D75 | 4-Stroke | 866835 | |
| Volvo Penta | D103 | 4-Stroke | 866835 | |
| Volvo Penta | D122 | 4-Stroke | 866835 | |
| Volvo Penta | D162 | 4-Stroke | 866835 | |
| Volvo Penta | D165 | 4-Stroke | 866835 | |
| Volvo Penta | D12D | 4-Stroke | 866835 | |
| Volvo Penta | MD2010A | 4-Stroke | 866835 | |
| Volvo Penta | MD2020A | 4-Stroke | 866835 | |
| Volvo Penta | MD2030A | 4-Stroke | 866835 | |
| Volvo Penta | MD2040A | 4-Stroke | 866835 | |
| Volvo Penta | D4 | 4-Stroke | 22899626 | Supersedes 866835 |
| Volvo Penta | D6 | 4-Stroke | 22899626 | Supersedes 866835 |
| Volvo Penta | D9 | 4-Stroke | 22899626 | Supersedes 866835 |
| Volvo Penta | D13 | 4-Stroke | 22899626 | Supersedes 866835 |
Technical Specs
- Product Type
- Oil Pressure Sensor
- Installation
- Direct Replacement
- Fuel Type
- Diesel
- Connection
- Electrical
- Working Pressure
- 0-10 BAR
- Configuration
- Single station/single cockpit
- Product Dimensions
- 7.0 x 7.0 x 7.5 in
- Package Dimensions
- 7.0 x 7.0 x 7.5 in
What’s in the Box
- 1 x Oil Pressure Sensor (replaces 866835)
Installation Notes
- Disconnect the vessel's battery before starting work.
- Locate the existing oil pressure sensor on the engine block.
- Place a drain pan or absorbent rags below the sensor to catch any oil spillage.
- Carefully disconnect the electrical wire or connector from the old sensor.
- Using an appropriately sized wrench, unscrew and remove the old sensor.
- Clean the threaded area on the engine block to ensure a good seal.
- Apply a suitable thread sealant to the new sensor's threads unless it comes with sealant pre-applied.
- Install the new sensor by hand, then tighten it to the manufacturer's recommended torque specification. Do not overtighten.
- Reconnect the electrical connector securely.
- Reconnect the battery.
- Start the engine, check for any oil leaks around the new sensor, and verify the oil pressure gauge is reading correctly.
Troubleshooting & FAQ
How do I know if my oil pressure sensor is failing?
Common signs of a faulty sensor include an oil pressure gauge that reads zero, is stuck at the maximum reading, or fluctuates erratically. An illuminated oil pressure warning light on your dashboard is also a primary indicator of a potential issue with the sensor or the oil system itself.
Is this sensor for single or dual station helms?
This specific oil pressure sensor is designed for single station (single cockpit) configurations only. It is not suitable for dual-helm applications.
My engine (e.g., D4, D6) uses part number 22899626. Will this part work?
No. While this sensor replaces the older 866835 part, newer Volvo Penta engines like the D4 and D6 series require the updated part number 22899626. Please verify the correct part number for your specific engine model and serial number before ordering.
What is the operating pressure range for this sensor?
This sensor is designed to operate within a 0 to 10 BAR pressure range, which is standard for the specified Volvo Penta engines.
What if my gauge still reads incorrectly after installing the new sensor?
First, double-check that the electrical connection is clean, secure, and free of any corrosion. Second, test the oil pressure gauge itself to ensure it is functioning correctly. If both the connection and gauge are confirmed to be working, the issue may be related to the engine's actual oil pressure, which requires diagnosis by a qualified marine mechanic.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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