Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810
Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 is a direct-fit replacement fuel pump priced at $33.65. Designed for Volvo marine and automotive engines from 1992–2006, it delivers reliable 12V electric pressure for carbureted 4.3L, 5.0L, and 5.7L engines, ensuring consistent fuel delivery and smooth engine performance.
● In stock
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Key features
- 12V electric operation for standard systems
- OE match: 3858714, 3850810, 3857985
- Fits 4.3GL, 5.0GL, 5.7GL engines
- Direct replacement, no modifications needed
- 2-year manufacturer warranty
- In stock with immediate shipping
- Built for carbureted 4.3–5.7L engines 1992–2006
Pros
- +Affordable at $33.65
- +Exact OE number compatibility
- +Fast shipping from in-stock inventory
- +Trusted 2-year warranty
- +Simple installation for qualified users
Cons
- −Limited to carbureted engine models
- −Not for use with fuel-injected systems
About Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810
What is Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810?
The Labwork 12V Electric Pressure Fuel Pump is a high-performance replacement component engineered for Volvo engines requiring consistent fuel pressure. Compatible with OE numbers 3858261, 3857986, and 3850810, this electric fuel pump is built for use in carbureted 4.3L, 5.0L, and 5.7L engines manufactured between 1992 and 2006. It's ideal for marine and automotive applications where reliable fuel delivery is critical for engine start-up and operation. Backed by a 2-year warranty, it's a cost-effective solution for DIY mechanics and repair shops alike.
Key features
- Voltage — Operates on 12V for standard automotive electrical systems.
- OE Compatibility — Matches Volvo 3858714, 3850810, 3857985 for seamless replacement.
- Engine Fit — Designed for 4.3GL, 5.0GL, and 5.7GL series engines.
- Durable Construction — Built to withstand continuous use in fuel-rich environments.
- Direct Fit — Installs without modifications on compatible models.
- Warranty — Includes a 2-year manufacturer warranty for added confidence.
- Immediate Shipping — In stock and ready to ship for fast repair turnaround.
Who is Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 for?
This fuel pump serves owners of older Volvo-powered vehicles and boats equipped with carbureted V6 and V8 engines. It’s ideal for DIY mechanics, marine technicians, and auto repair shops seeking a reliable, affordable replacement without sacrificing compatibility. Whether restoring a vintage boat or maintaining a fleet vehicle, this pump supports efficient, long-term operation.
How does Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 compare?
Compared to standard aftermarket fuel pumps, the Labwork model offers precise OE-number matching and broad compatibility across multiple Volvo engine variants. Unlike universal pumps requiring adapters or modifications, this unit provides a direct fit, reducing installation time and error risk. It’s priced significantly lower than OEM equivalents while maintaining core performance standards, making it a smart upgrade over generic or rebuilt units that may lack durability or consistent pressure output.
Best use cases
- →Replacing failed fuel pump in Volvo boat engine
- →Restoring 1990s Volvo V8 marine powertrain
- →Upgrading from mechanical to electric fuel pump
- →Maintaining fleet vehicles with 5.0GL engines
- →DIY repair on 4.3L carbureted engine
Is Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 right for you?
This fuel pump is best for DIY mechanics or technicians working on Volvo 4.3L, 5.0L, or 5.7L carbureted engines from 1992–2006. Intermediate skill level is recommended for installation. If your engine uses electronic fuel injection, consider a different pump type. Alternatives include OEM replacements or universal electric pumps, but those may require adapters or cost more.
How it compares: Compared to universal electric fuel pumps, this Labwork model offers direct fit and OE compatibility without adapters. It's more reliable than rebuilt units and priced lower than OEM, making it ideal for carbureted Volvo engines where precision and affordability matter.
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What engines does the Labwork fuel pump fit?
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It fits Volvo 4.3GL, 5.0GL, and 5.7GL engines from 1992–2006, including A through H series variants. Designed for carbureted models, it replaces OE numbers 3858714, 3850810, and 3857985 with direct compatibility.
Does this fuel pump work with fuel-injected engines?
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No, this Labwork fuel pump is designed specifically for carbureted engines. It is not suitable for fuel-injected systems, which require higher pressure and different flow rates than this 12V unit provides.
How easy is it to install the Labwork fuel pump?
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It's a direct-fit replacement requiring no modifications. With basic mechanical tools and intermediate skill, most users can install it in under an hour. Always disconnect the battery and relieve fuel pressure before starting.
Is the Labwork fuel pump new or rebuilt?
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This is a brand-new electric fuel pump, not rebuilt or remanufactured. It comes sealed and ready for installation, backed by a 2-year warranty from Lab Work Auto.
Can I use this pump for marine applications?
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Yes, it's commonly used in Volvo-powered marine engines with carbureted 4.3L, 5.0L, or 5.7L V8s. Its 12V electric design supports reliable fuel delivery in boat engines when properly installed and maintained.
How much does Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 cost?
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Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 is $33.65 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 in stock at Lab Work Auto?
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Yes, Labwork 12V Electric Pressure Fuel Pump For Volvo 3858261 3857986 3850810 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-014079