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Description
16792A39 Power Steering Pump for Mercruiser Volvo Penta OMC | JLM MarinePower Steering Pump for Mercruiser, Volvo Penta & OMC Engines This aftermarket power steering pump is designed to fit most MerCruiser, OMC, and Volvo Penta marine engines, including 4 cylinder, 4. 3L V6, 5. 0L V8, and 5. 7L V8 configurations. It is also compatible with select 7. 4L modelsplease verify that the return hose location matches your original pump (center exit as shown in product images). This replacement crosses to multiple OEM part
Power Steering Pump for Mercruiser, Volvo Penta & OMC Engines
This aftermarket power steering pump is designed to fit most MerCruiser, OMC, and Volvo Penta marine engines, including 4-cylinder, 4.3L V6, 5.0L V8, and 5.7L V8 configurations. It is also compatible with select 7.4L models—please verify that the return hose location matches your original pump (center exit as shown in product images).
This replacement crosses to multiple OEM part numbers: 16792A39, 3888323, 3863130, 36368, 71317A1, 90507A3, and aftermarket 18-7508. It is intended for engines equipped with o-ring style steering hoses. To confirm compatibility, remove your high-pressure line and check for an o-ring at the hose end.
- Includes pump assembly, hose o-ring kit, and pulley installation kit
- Pump body can be removed and installed into your existing reservoir if preferred
- Designed for engines with o-ring type high-pressure steering lines
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands:
| Brand | Part Number |
|---|---|
| MerCruiser | 16792A39 |
| Volvo Penta | 3863130 |
| Volvo Penta | 3888323 |
| OMC | 36368 |
| OMC | 71317A1 |
| OMC | 90507A3 |
| Sierra (Aftermarket) | 18-7508 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand | Model | Notes |
|---|---|---|
| MerCruiser | 4-cylinder engines | Verify return line exits pump center |
| MerCruiser | 4.3L V6 | Verify return line exits pump center |
| MerCruiser | 5.0L V8 | Verify return line exits pump center |
| MerCruiser | 5.7L V8 | Verify return line exits pump center |
| MerCruiser | 7.4L (select models) | Compare return line location carefully |
| Volvo Penta | 4-cylinder engines | Verify return line exits pump center |
| Volvo Penta | 4.3L V6 | Verify return line exits pump center |
| Volvo Penta | 5.0L V8 | Verify return line exits pump center |
| Volvo Penta | 5.7L V8 | Verify return line exits pump center |
| Volvo Penta | 7.4L (select models) | Compare return line location carefully |
| OMC | 4-cylinder engines | Verify return line exits pump center |
| OMC | 4.3L V6 | Verify return line exits pump center |
| OMC | 5.0L V8 | Verify return line exits pump center |
| OMC | 5.7L V8 | Verify return line exits pump center |
| OMC | 7.4L (select models) | Compare return line location carefully |
Technical Specifications
| Specification | Value |
|---|---|
| OEM Number | 16792A39 |
| Application | Power steering pump for marine engines |
| Return Line Configuration | Center exit (must match original) |
| Hose Type | O-ring style high-pressure steering hose |
| Compatible Brands | MerCruiser, Volvo Penta, OMC |
Package Contents
- Power steering pump assembly
- Hose o-ring kit (includes replacement o-ring for high-pressure line)
- Pulley installation kit
Important: The product is shipped fully filled. Inspect immediately upon delivery for any damage. If damaged, photograph the outer packaging and product together within 2 working days. Claims filed after this period will not be accepted.
Installation Guide
- Disconnect the battery and relieve hydraulic pressure from the steering system before beginning work.
- Remove the drive belt from the existing power steering pump pulley.
- Disconnect the high-pressure and return hoses from the old pump, noting their orientation and routing.
- Remove the mounting bolts securing the pump to the engine block and carefully extract the pump.
- If desired, remove the pump body from your existing reservoir and install the new pump body into it, transferring all new o-rings from this kit.
- Install the new pump (or pump assembly) onto the engine using the original mounting bolts, torquing to manufacturer specifications.
- Install the new o-ring onto the high-pressure hose fitting and reconnect both hoses to the new pump.
- Install the pulley using the included pulley installation kit, ensuring proper alignment.
- Reinstall the drive belt and adjust tension according to your engine's service manual.
- Fill the power steering reservoir with the recommended hydraulic fluid to the proper level.
- Bleed the system by turning the steering wheel lock-to-lock several times with the engine off, then start the engine and repeat while checking for leaks.
- Reconnect the battery and test steering operation under load before returning the vessel to service.
Troubleshooting & FAQ
Q: How do I confirm this pump will fit my engine?
A: First, verify that your engine is a MerCruiser, Volvo Penta, or OMC 4-cylinder, 4.3L V6, 5.0L V8, 5.7L V8, or select 7.4L model. Then compare your original pump to the product images to confirm the return hose exits from the center of the pump. Finally, remove your high-pressure steering line and check for an o-ring at the hose end—this pump is designed for o-ring style hoses.
Q: Can I use my existing reservoir with this pump?
A: Yes. The pump body can be removed from the included reservoir and installed into your original reservoir if you prefer. All new o-rings from this kit can be transferred over during the swap.
Q: What should I do if the return line on my pump exits from a different location?
A: Do not install this pump. The return line configuration must match your original pump exactly. This version is designed with a center return line exit; using a pump with a different configuration can cause hydraulic routing issues and system failure.
Q: How often should I replace the power steering pump?
A: Power steering pumps typically do not have a fixed replacement interval. Replace the pump if you experience symptoms such as whining or groaning noises during steering, difficulty turning the wheel, fluid leaks, or low steering assist. Regular inspection of fluid level and condition can help catch issues early.
Q: What are common signs of power steering pump failure?
A: Watch for whining or squealing noises when turning the wheel, increased steering effort, jerky or inconsistent steering response, fluid leaks around the pump, or discolored/burnt-smelling hydraulic fluid. Address these symptoms promptly to avoid further damage to the steering system.
Q: Is this an OEM or aftermarket part?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy