Power Steering Pump – Fits Volvo Penta & OMC Cobra 2.3L-8.2L Engines (Replaces 3888323, 3863130)
Power Steering Pump – Fits Volvo Penta & OMC Cobra 2.3L-8.2L Engines (Replaces 3888323, 3863130) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Power Steering Pump – Fits Volvo Penta & OMC Cobra 2.3L-8.2L En...
Product Details
This is a direct-fit aftermarket Power Steering Pump – Fits Volvo Penta & OMC Cobra 2.3L-8.2L Engines, designed to restore smooth and responsive steering. It is compatible with a wide range of Volvo Penta engines from 3.0L to 8.2L and OMC Cobra sterndrive applications from 2.3L to 8.2L. Engineered for durability, it features a robust cast aluminum housing and reliable rotary-vane mechanics.
This unit directly replaces Volvo Penta part numbers 3888323 and 3863130, as well as several other OEM and aftermarket equivalents from OMC, MerCruiser, and Sierra.
- Installation Type: Direct bolt-on replacement.
- Drive System: Connects via a direct belt drive.
- Housing: Cast aluminum construction for corrosion resistance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3888323 |
| Volvo Penta | 3863130 |
| Volvo Penta | 983791 |
| Volvo Penta | 982576 |
| Volvo Penta | 3850491 |
| Volvo Penta | 3850492 |
| OMC | 3850491 |
| OMC | 3850492 |
| MerCruiser | 16792A39 |
| Sierra | 18-7508 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fits a range of Volvo Penta marine engines known for their reliability and performance.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Volvo Penta | 3.0L | 130-140 | 4-Stroke | 3888323, 3863130 |
| Volvo Penta | 4.3L | 205-225 | 4-Stroke | 3888323, 3863130 |
| Volvo Penta | 5.0L | 220-270 | 4-Stroke | 3888323, 3863130 |
| Volvo Penta | 5.7L | 250-320 | 4-Stroke | 3888323, 3863130 |
| Volvo Penta | 5.8L | 4-Stroke | 3888323, 3863130 | |
| Volvo Penta | 7.4L | 310-385 | 4-Stroke | 3888323, 3863130 |
| Volvo Penta | 8.2L | 375-420 | 4-Stroke | 3888323, 3863130 |
Also compatible with various OMC Cobra sterndrive engines.
| Brand | Model | Stroke | OEM Part No. |
|---|---|---|---|
| OMC Cobra | 2.3L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 2.5L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 3.0L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 3.8L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 4.3L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 5.0L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 5.7L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 5.8L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 7.4L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 7.5L | 4-Stroke | 3850491, 3850492 |
| OMC Cobra | 8.2L | 4-Stroke | 3850491, 3850492 |
This part may also fit certain MerCruiser applications requiring part number 16792A39. Always verify fitment against your specific engine model.
| Brand | Model | OEM Part No. | Notes |
|---|---|---|---|
| MerCruiser | Various | 16792A39 | Compatible with some MerCruiser models |
Technical Specs
- Product Type
- Power Steering Pump
- Installation
- Direct replacement, bolt-on
- Connection
- Direct drive via belt
- Housing Material
- Cast aluminum
- Housing Color
- Silver/metallic
- Fitting Type
- Standard power steering hose fittings
- Warranty
- Varies by retailer (typically 1 year)
- Other Technical Attributes
- Rotary-vane type pump
What’s in the Box
- 1 x Power Steering Pump (Replaces 3888323, 3863130)
Installation Notes
- Ensure the engine is off and the battery is disconnected for safety.
- Relieve any pressure in the power steering system by carefully opening the reservoir cap.
- Place a drain pan under the pump and disconnect the pressure and return hoses. Be prepared for fluid drainage.
- Loosen the drive belt tensioner and remove the belt from the pump pulley.
- Remove the mounting bolts securing the old pump and carefully lift it out.
- Compare the new pump to the old one to confirm an exact match. Transfer the pulley if necessary.
- Install the new pump, tighten the mounting bolts to the manufacturer's specified torque.
- Reconnect the drive belt and set the correct tension.
- Attach the pressure and return hoses, ensuring fittings are secure to prevent leaks.
- Fill the reservoir with the recommended power steering fluid.
- Reconnect the battery. Start the engine and slowly turn the steering wheel from lock to lock several times to bleed air from the system.
- Check the fluid level again and top off as needed. Inspect for any leaks.
Troubleshooting & FAQ
How do I know if my power steering pump is failing?
Common signs include whining or groaning noises that change with engine RPM, difficulty or stiffness when steering, and visible fluid leaks from the pump or hoses.
Is this a direct bolt-on part?
Yes, this pump is designed as a direct, bolt-on replacement for the listed Volvo Penta and OMC models, requiring no modification for installation.
What kind of fluid should I use?
Always use the type of power steering fluid recommended by your specific engine's manufacturer. Using the wrong fluid can damage the system.
Do I need to bleed the system after installation?
Yes, it is critical to bleed the power steering system after installing a new pump to remove all air. Failure to do so can cause noise, poor performance, and damage to the pump.
What is the recommended replacement interval?
There is no fixed replacement interval for a power steering pump. It should be replaced when it shows signs of wear or failure. Regular fluid checks and changes can extend its life.
What could cause a new pump to fail prematurely?
Premature failure can be caused by contaminated fluid, air in the system (improper bleeding), a restricted hose, or a misaligned drive belt. Ensure the entire system is clean before installation.
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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