Power Steering Pump – Fits Volvo Penta & OMC Cobra 3.0L-8.2L (Replaces 3888323, 3850491, 3850492)
Power Steering Pump – Fits Volvo Penta & OMC Cobra 3.0L-8.2L (Replaces 3888323, 3850491, 3850492) 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
Power Steering Pump – Fits Volvo Penta & OMC Cobra 3.0L-8.2L (R...
Product Details
This Power Steering Pump – Fits Volvo Penta & OMC Cobra 3.0L-8.2L Engines is an aftermarket replacement compatible with a wide range of Volvo Penta and OMC Cobra engines manufactured from the 1990s through the 2010s. It fits 4-cylinder, V6, and V8 configurations from 3.0L to 8.2L, ensuring broad applicability for many sterndrive models.
This unit serves as a direct interchange for Volvo Penta 3888323, OMC 3850491 and 3850492, and can cross-reference with Mercruiser parts 983791 and 982576.
- Designed for direct, bolt-on installation using existing mounting points.
- Constructed from durable cast aluminum for reliable service in marine environments.
- The original pulley must be transferred from the old unit to this pump.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3888323 |
| OMC | 3850491 |
| OMC | 3850492 |
| MerCruiser | 983791 |
| MerCruiser | 982576 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This pump is a direct replacement for Volvo Penta sterndrive models using OEM part 3888323.
Fits various OMC Cobra sterndrive engines, replacing OEM parts 3850491 and 3850492.
This part can also be used as a cross-reference for MerCruiser applications requiring part numbers 983791 or 982576.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | 3.0L | 4-Stroke | 3888323 | |
| Volvo Penta | 4.3L | 4-Stroke | 3888323 | |
| Volvo Penta | 5.0L | 4-Stroke | 3888323 | |
| Volvo Penta | 5.7L | 4-Stroke | 3888323 | |
| Volvo Penta | 5.8L | 4-Stroke | 3888323 | |
| Volvo Penta | 7.4L | 4-Stroke | 3888323 | |
| Volvo Penta | 8.2L | 4-Stroke | 3888323 | |
| OMC | 3.0L (181 CID) | 4-Stroke | 3850491, 3850492 | 302SPHRCRA Power Steering Group |
| OMC | 2.3L | 4-Stroke | 3850491, 3850492 | |
| OMC | 2.5L | 4-Stroke | 3850491, 3850492 | |
| OMC | 3.8L | 4-Stroke | 3850491, 3850492 | |
| OMC | 4.3L | 4-Stroke | 3850491, 3850492 | |
| OMC | 5.0L (305 CID) | 4-Stroke | 3850491, 3850492 | 504STHRCOK, 504SPHRCRA, 504FTHRCRA Power Steering Group |
| OMC | 5.7L | 4-Stroke | 3850491, 3850492 | |
| OMC | 5.8L | 4-Stroke | 3850491, 3850492 | |
| OMC | 7.4L | 4-Stroke | 3850491, 3850492 | |
| OMC | 7.5L | 4-Stroke | 3850491, 3850492 | |
| OMC | 8.2L (502 CID) | 4-Stroke | 3850491, 3850492 | 502SPHRCOK Power Steering Group |
| MerCruiser | 3.0L-8.2L | 4-Stroke | 983791, 982576 | Cross-reference compatibility |
Technical Specs
- Product Type
- Power Steering Pump
- Installation
- Direct replacement, bolt-on
- Housing Material
- Cast aluminum
- Housing Color
- Silver/Metallic
- Dimensions
- Approximately 10 × 8.07 × 7.24 inches (254 × 205 × 184 mm)
- Weight
- 4.5 kg (9.92 lbs)
- Fitting Type
- Direct fit
- Warranty
- 30-day return/replacement
- Other Technical Attributes
- Does not include pulley (pulley must be transferred from original unit)
What’s in the Box
- 1 x Power Steering Pump (3888323/3850491/3850492)
Installation Notes
- Disconnect the vessel's battery before beginning work.
- Carefully relieve any residual pressure in the power steering system.
- Loosen the tensioner and remove the serpentine belt from the pump pulley.
- Using an appropriate pulley puller tool, remove the pulley from the old pump. Ensure it is not damaged.
- Install the original pulley onto the new pump, ensuring it is properly seated and aligned.
- Disconnect the high-pressure and low-pressure (return) hydraulic lines from the pump. Have rags ready to catch fluid spills.
- Unbolt the old power steering pump from its mounting bracket and remove it from the engine.
- Mount the new pump onto the bracket and tighten the bolts to the manufacturer's specified torque.
- Reconnect the high-pressure and return lines to the new pump.
- Reinstall the serpentine belt and set the correct tension.
- Fill the power steering reservoir with the fluid recommended by your engine manufacturer.
- Bleed air from the system by turning the steering wheel lock-to-lock several times with the engine running, then re-check and top off the fluid level.
Troubleshooting & FAQ
How do I know if this pump fits my specific engine model and year?
This pump fits a wide range of Volvo Penta and OMC Cobra engines from the 1990s-2010s. The best way to confirm fitment is to match your old part number to the ones listed in our Part Number Matrix: Volvo Penta 3888323, OMC 3850491/3850492, or Mercruiser 983791/982576. Also, visually compare your old pump to our product photos.
Does this pump come with a new pulley?
No, this product does not include the pulley. You will need to carefully remove the pulley from your original pump and install it on this new unit. A standard power steering pulley puller/installer tool is required for this task.
What type of power steering fluid should I use?
Always refer to your engine's service manual for the specific type of power steering fluid required. Using the wrong fluid can damage the pump and other components in the steering system.
What are the signs of a failing power steering pump?
Common symptoms include a whining or groaning noise that changes with engine RPM, difficulty steering (especially at low speeds), or visible fluid leaks from the pump body or connections. If you notice these signs, inspect the system promptly.
Is any special maintenance required for this pump?
Periodically check the power steering fluid level and inspect the hoses for leaks, cracks, or brittleness. The system should be flushed and the fluid replaced according to the intervals recommended in your engine's service manual.
Can I install this pump myself?
While installation is possible for those with mechanical experience and the correct tools (like a pulley puller), we recommend professional installation to ensure safety, proper system bleeding, and correct torque specifications.
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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