Power Steering Pump for Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L Engines | OEM# 3887373
This aftermarket power steering pump is engineered for Volvo Penta gasoline engines, including 3.0GLP-J, 3.0GLP-N, 3.0GXi-J, 3.0GXiC-J, and most newer V6 and V8 GXi-series engines (4.3L, 5.0L, 5.7L, 8.1L). It restores reliable hydraulic assist to your marine steering system with precise fitment and durable construction.
This pump directly replaces Volvo Penta OEM part number 3887373, ensuring straightforward installation and compatibility across multiple engine families.
- Fits Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, and 8.1L gasoline engines
- Direct replacement for OEM# 3887373
- Designed for V6 and V8 GXi-series applications
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Volvo Penta |
3887373 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
Notes |
| Volvo Penta |
3.0GLP-J |
Gasoline |
| Volvo Penta |
3.0GLP-N |
Gasoline |
| Volvo Penta |
3.0GXi-J |
Gasoline |
| Volvo Penta |
3.0GXiC-J |
Gasoline |
| Volvo Penta |
4.3L |
V6 GXi-series |
| Volvo Penta |
5.0L |
V8 GXi-series |
| Volvo Penta |
5.7L |
V8 GXi-series |
| Volvo Penta |
8.1L |
V8 GXi-series |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
3887373 |
| Application |
Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L Gasoline Engines |
| Engine Series |
V6, V8 GXi-series |
| Part Type |
Power Steering Pump |
Package Contents
Your shipment includes:
- 1 × Power Steering Pump (OEM# 3887373)
Installation Guide
- Disconnect the battery negative terminal to ensure safe working conditions.
- Locate the existing power steering pump mounted on the engine block or bracket.
- Place a drain pan beneath the pump and disconnect the hydraulic hoses; cap open lines immediately to prevent contamination.
- Remove the drive belt from the pump pulley by loosening the tensioner or adjustment bolt.
- Unbolt the pump from its mounting bracket, noting the position of any spacers or washers.
- Clean the mounting surface and verify that the new pump matches the original in pulley alignment and port orientation.
- Install the new pump onto the bracket using the original hardware and torque bolts to manufacturer specification.
- Reconnect the hydraulic hoses, ensuring all fittings are snug and properly seated to avoid leaks.
- Reinstall and tension the drive belt according to Volvo Penta service manual guidelines.
- Fill the power steering reservoir with the correct type and quantity of fluid specified by Volvo Penta.
- Bleed the system by turning the steering wheel lock-to-lock several times with the engine off, then start the engine and repeat to purge air.
- Check for leaks, verify smooth steering operation, and top off fluid as needed before returning the vessel to service.
Troubleshooting & FAQ
Q: How do I confirm this pump fits my Volvo Penta engine?
A: Cross-reference your engine model (3.0GLP-J, 3.0GLP-N, 3.0GXi-J, 3.0GXiC-J, or 4.3L/5.0L/5.7L/8.1L GXi-series) and original part number (3887373) against the compatibility table above. If your current pump displays OEM# 3887373, this replacement is a direct match.
Q: What are the signs that my power steering pump needs replacement?
A: Common symptoms include whining or groaning noises during steering, increased steering effort, fluid leaks around the pump body, and low fluid levels in the reservoir. If you notice any of these, inspect the pump and hoses for wear or damage.
Q: How often should I replace the power steering pump?
A: Power steering pumps typically last several years under normal operating conditions. Replace the pump when you observe persistent noise, leaks, or loss of hydraulic assist. Regular fluid checks and timely belt replacement help extend pump life.
Q: Can I use the original mounting hardware and belt?
A: Yes, this pump is designed to reuse your existing bolts, spacers, and drive belt, provided they are in good condition. Inspect the belt for cracks or glazing and replace if worn to ensure proper tension and performance.
Q: What type of power steering fluid should I use?
A: Consult your Volvo Penta owner's manual for the recommended fluid specification. Using the correct fluid type is essential for optimal pump performance and longevity.
Q: Is this an OEM part or an aftermarket replacement?
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.