Oil Pressure Sensor – Fits Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L (Replaces 3887328, 3842442)
Oil Pressure Sensor – Fits Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L (Replaces 3887328, 3842442) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Oil Pressure Sensor – Fits Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L...
Product Details
This Oil Pressure Sensor is designed for a wide range of Volvo Penta fuel-injected gasoline engines, including 3.0L, 4.3L, 5.0L, 5.7L, and 8.1L models. It is compatible with GXi, Gi, and OSi variants used in stern drive applications, ensuring reliable monitoring of your engine's oil pressure.
This component serves as a direct replacement for Volvo Penta part numbers 3887328 and 3842442, offering a precise fit and function.
- Installs directly with a molded plug connector.
- Engineered specifically for fuel-injected gasoline engines.
- Built to meet or exceed original equipment specifications.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3887328 |
| Volvo Penta | 3842442 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This sensor fits a variety of Volvo Penta gasoline sterndrive engines. Please verify your model is listed.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | 3.0L GXi | 4-Stroke | 3887328 | |
| Volvo Penta | 4.3Gi | 4-Stroke | 3887328 | |
| Volvo Penta | 4.3GXi | 4-Stroke | 3887328 | |
| Volvo Penta | 5.0Gi | 4-Stroke | 3887328 | |
| Volvo Penta | 5.0GXI | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7Gi | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7GXI | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7GiI-F | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7GiI-G | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7GXiI-G | 4-Stroke | 3887328 | |
| Volvo Penta | 5.7GXiI-H | 4-Stroke | 3887328 | |
| Volvo Penta | 8.1L GXI | 4-Stroke | 3887328 | |
| Volvo Penta | 8.1GiI-G | 4-Stroke | 3887328 | |
| Volvo Penta | 8.1GiI-H | 4-Stroke | 3887328 | |
| Volvo Penta | 8.1GXiI-F | 4-Stroke | 3887328 | |
| Volvo Penta | 8.1GXiI-G | 4-Stroke | 3887328 |
Technical Specs
- Product Type
- Oil Pressure Sensor/Sender
- Installation
- Direct replacement, attaches with molded plug
- Fuel Type
- Gasoline
- Connection
- Electric with molded plug connector
- Housing Color
- Silver/metallic
- Dimensions
- 7.0" x 3.5" x 4.0"
- Fitting Type
- Threaded
- Other Attributes
- For fuel injection models with molded plug connection
What’s in the Box
- 1 x Oil Pressure Sensor (3887328/3842442)
Installation Notes
- Disconnect the boat's battery before starting work.
- Locate the old oil pressure sensor on the engine block.
- Place a rag or container underneath to catch any residual oil.
- Carefully unplug the electrical connector from the sensor.
- Using an appropriate wrench, unscrew and remove the old sensor.
- Clean the threads on the engine block to ensure a good seal.
- Screw the new sensor in by hand, then tighten gently with a wrench to the manufacturer's specified torque. Do not overtighten.
- Reconnect the electrical plug firmly.
- Reconnect the battery.
- Start the engine and check for leaks around the sensor and verify the oil pressure gauge is functioning correctly.
Troubleshooting & FAQ
How do I know if my oil pressure sensor is failing?
Common signs of a faulty sensor include an erratic or incorrect reading on your oil pressure gauge, the oil pressure warning light illuminating on your dashboard, or the gauge showing no pressure at all when the engine is running.
Is this sensor compatible with diesel engines?
No, this particular sensor is designed specifically for Volvo Penta fuel-injected gasoline engines. It is not suitable for diesel applications.
What is the difference between part numbers 3887328 and 3842442?
Part number 3887328 is a direct replacement that supersedes the older 3842442 part. They are functionally identical and fully interchangeable for all compatible engine models listed.
Does this sensor require calibration after installation?
No, this is a direct-fit component that does not require any special calibration. Once installed correctly, your engine's computer will read its output automatically.
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.
Payment & Security
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