Electric Fuel Pump – Fits Volvo Penta 4.3/5.0/5.7/5.8L (Replaces 3858261, 3850809, 3854620, 3857986)
Electric Fuel Pump – Fits Volvo Penta 4.3/5.0/5.7/5.8L (Replaces 3858261, 3850809, 3854620, 3857986) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Electric Fuel Pump – Fits Volvo Penta 4.3/5.0/5.7/5.8L (Replaces 38...
Product Details
This is a direct-fit low-pressure Electric Fuel Pump – Fits Volvo Penta 4.3/5.0/5.7/5.8L carbureted gasoline engines from approximately 1992 to 2006. It ensures consistent fuel delivery for reliable engine performance and is designed as a front-mount unit for straightforward installation.
This pump serves as a direct replacement for Volvo Penta part numbers 3858261, 3850809, 3854620, and 3857986, as well as Sierra 18-7326 and OMC 805656A2, 3850810, and 986865.
- Engine Application: Designed for carbureted Volvo Penta engines.
- Mounting Style: Secure front-mount installation.
- Fuel System Type: Low-pressure system (8 PSI).
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3858261 |
| Volvo Penta | 3850809 |
| Volvo Penta | 3854620 |
| Volvo Penta | 3857986 |
| Sierra | 18-7326 |
| OMC | 805656A2 |
| OMC | 3850810 |
| OMC | 986865 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This pump is designed for the specified carbureted Volvo Penta sterndrive engines. Verify your model against the list to ensure correct fitment.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Volvo Penta | 4.3GL-A | 4.3L | 4-Stroke | 2001–2002 | 3858261 | |
| Volvo Penta | 4.3GL-B | 4.3L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 4.3GL-C | 4.3L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 4.3GL-D | 4.3L | 4-Stroke | 2004–2005 | 3858261 | |
| Volvo Penta | 4.3GL-E | 4.3L | 4-Stroke | 2005–2006 | 3858261 | |
| Volvo Penta | 4.3GL-EF | 4.3L | 4-Stroke | 2005–2006 | 3858261 | |
| Volvo Penta | 4.3GL-G | 4.3L | 4-Stroke | 2006–2007 | 3858261 | |
| Volvo Penta | 4.3GL-J | 4.3L | 4-Stroke | 2007–2010 | 3858261 | |
| Volvo Penta | 4.3GL-P | 4.3L | 4-Stroke | 2010–2011 | 3858261 | |
| Volvo Penta | 4.3GL | 4.3L | 4-Stroke | 1993–2001 | 3858261 | Various sub-models: MMDA, PBYC, PEFS, PHUB, PLKD, PLKE, PMDA, PNCA, PNCB, PNCS, PWTC, PWTR |
| Volvo Penta | 4.3GS | 4.3L | 4-Stroke | 1993–1999 | 3858261 | Various sub-models: JBYA, JLKD, JWTR, PBYC, PHUB, PHUS, PLKD, PLKE, PMDA, PNCA, PNCB, PNCM, PNCS, PWTC, PWTR |
| Volvo Penta | 4.3GI | 4.3L | 4-Stroke | 1994–1999 | 3858261 | Various sub-models: JBYA, JWTR, PBYCCE, PHUSCE, PLKDCE, PLKECE, PNCACE, PNCBCE, PNCMCE, PNCSCE, PWTC, PWTR |
| Volvo Penta | 5.0GL-A | 5.0L | 4-Stroke | 2001 | 3858261 | |
| Volvo Penta | 5.0GL-B | 5.0L | 4-Stroke | 2001–2002 | 3858261 | |
| Volvo Penta | 5.0GL-C | 5.0L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 5.0GL-D | 5.0L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 5.0GL-E | 5.0L | 4-Stroke | 2004–2005 | 3858261 | |
| Volvo Penta | 5.0GL-F | 5.0L | 4-Stroke | 2005–2006 | 3858261 | |
| Volvo Penta | 5.0GL-G | 5.0L | 4-Stroke | 2006–2007 | 3858261 | |
| Volvo Penta | 5.0GL-H | 5.0L | 4-Stroke | 2006–2007 | 3858261 | |
| Volvo Penta | 5.0GL-J | 5.0L | 4-Stroke | 2007–2010 | 3858261 | |
| Volvo Penta | 5.0GL | 5.0L | 4-Stroke | 1997–2000 | 3858261 | Various sub-models: PBYC, PEFS, PWTR |
| Volvo Penta | 5.0GS | 5.0L | 4-Stroke | 1997–1998 | 3858261 | |
| Volvo Penta | 5.0GI | 5.0L | 4-Stroke | 1997–1999 | 3858261 | Sub-models: PBYCCE, PWTR |
| Volvo Penta | 5.0FI | 5.0L | 4-Stroke | 1993–1996 | 3858261 | Various sub-models: PHUBCE, PHUCCE, PHUECE, PHURCE, PHUSCE, PMDA, PNCACE, PNCBCE, PNCMCE, PNCSCE |
| Volvo Penta | 5.7GL-A | 5.7L | 4-Stroke | 2001 | 3858261 | |
| Volvo Penta | 5.7GL-B | 5.7L | 4-Stroke | 2001–2002 | 3858261 | |
| Volvo Penta | 5.7GL-C | 5.7L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 5.7GL-D | 5.7L | 4-Stroke | 2002–2003 | 3858261 | |
| Volvo Penta | 5.7GL-E | 5.7L | 4-Stroke | 2004–2005 | 3858261 | |
| Volvo Penta | 5.7GLI | 5.7L | 4-Stroke | 1996–1997 | 3858261 | Sub-model: PLKDCE |
| Volvo Penta | 5.7GS | 5.7L | 4-Stroke | 1997–2000 | 3858261 | Sub-models: PBYC, PEFS, PWTR |
| Volvo Penta | 5.7GSI | 5.7L | 4-Stroke | 1996–1999 | 3858261 | Sub-models: PBYCCE, PBYDCE, PLKDCE, PLKE, PWTR |
| Volvo Penta | 5.7GI | 5.7L | 4-Stroke | 1993–1997 | 3858261 | Various sub-models: PHUS, PLKDCE, PLKECE, PMDA, PMDACE, PNCACE, PNCBCE, PNCMCE, PNCSCE |
| Volvo Penta | 5.8FI | 5.8L | 4-Stroke | 1993–1996 | 3858261 | Various sub-models: PHUBCE, PHUCCE, PHUECE, PHURCE, PHUSCE, PMDA, PNCACE, PNCBCE, PNCMCE, PNCSCE |
| Volvo Penta | 5.8FSI | 5.8L | 4-Stroke | 1994–1996 | 3858261 | Sub-models: PHURCE, PNCS |
Technical Specs
- Product Type
- Low Pressure Electric Fuel Pump
- Installation
- Front Mount
- Fuel Type
- Gasoline
- Connection
- Inlet: 5/8"-18 threaded, Outlet: 3/8"-24 threaded
- Housing Material
- Metal
- Dimensions
- 9.5 x 11.5 x 16.5 inches (approx. 241 x 292 x 419 mm)
- Weight
- 0.59 kg (1.31 pounds)
- Fitting Type
- Inlet: Hose Barb, Outlet: Threaded
- Thread Size
- Inlet: 5/8"-18, Outlet: 3/8"-24
- Working Pressure
- 8 PSI
- Flow Rate
- 25 GPM
- Other Technical Attributes
- Low pressure pump for carbureted applications
What’s in the Box
- 1 x Electric Fuel Pump (Replaces 3858261, 3850809, 3854620, 3857986)
Installation Notes
- Safety First: Work in a well-ventilated area away from sparks or open flames. Disconnect the battery before you begin.
- Relieve Fuel Pressure: Follow your engine manufacturer's procedure to safely relieve any pressure in the fuel system.
- Disconnect Lines: Carefully disconnect the electrical connector and the inlet/outlet fuel lines from the old pump. Have rags ready to catch any residual fuel.
- Remove Old Pump: Unbolt the existing fuel pump from its mounting bracket.
- Install New Pump: Mount the new pump in the same location. Use new gaskets or seals if they were included.
- Reconnect Lines: Securely attach the fuel lines and the electrical connector. Ensure all fittings are tight to prevent leaks.
- Check Your Work: Reconnect the battery. Prime the fuel system by turning the key to the 'On' position (without starting the engine) a few times. Inspect for any fuel leaks before starting the engine.
Troubleshooting & FAQ
What are the signs of a failing fuel pump?
Common symptoms include difficulty starting, engine sputtering at high speeds, power loss under load, or a whining noise from the fuel tank area. A sudden drop in fuel pressure is a direct indicator.
Can this be used with fuel-injected (EFI) engines?
No. This is a low-pressure pump (8 PSI) specifically designed for carbureted engines. Fuel-injected systems require much higher pressure and a different type of pump.
What engines does this fuel pump fit?
This pump fits a range of carbureted Volvo Penta 4.3L, 5.0L, 5.7L, and 5.8L gasoline engines from approximately 1992 to 2006. Please check the detailed compatibility table to confirm your specific model and year.
Is this a direct replacement for my original pump?
Yes, it is designed to replace Volvo Penta numbers 3858261, 3850809, 3854620, 3857986 and several other aftermarket part numbers. Verify your part number against the matrix provided.
Do I need any special tools for installation?
Installation typically requires basic hand tools such as wrenches for fuel lines and sockets for mounting bolts. A fuel pressure gauge is also helpful for diagnostics and to confirm proper operation after installation.
What is the recommended maintenance interval?
Marine fuel pumps do not have a fixed service interval but are replaced when they fail or when fuel pressure drops below specification. Regularly replacing your fuel filters is the best way to extend the life of your fuel pump.
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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