Fuel Pump For MerCruiser Mercury Marine 3.0L 2.5 Volvo Penta 3854858 42725A3

Fuel Pump for MerCruiser and Volvo Penta

This fuel pump is designed for MerCruiser Mercury Marine 3.0L and Volvo Penta 2.5L engines, with OEM cross-reference numbers 3854858 and 42725A3.

Overview

This fuel pump delivers reliable fuel delivery for MerCruiser, Mercury Marine, and Volvo Penta marine engines, specifically 3.0L and 2.5L models. It is a direct replacement for OEM part numbers 3854858 and 42725A3, ensuring proper flow and pressure for your boat engine. Designed for both stern drive and inboard applications, this fuel pump keeps your engine running smoothly.

Built For Performance

• Precision-engineered to meet OEM specifications for fuel flow and pressure
• Corrosion-resistant construction for marine environments
• Includes necessary gaskets and hardware for installation
• Rigorous testing ensures long service life
• Compatible with gasoline and ethanol-blended fuels

Fits These Machines

• for MerCruiser 3.0L (135-140 HP)
• for Mercury Marine 3.0L
• for Volvo Penta 2.5L

On-The-Job Use

• Replacing worn or failing fuel pumps on boats equipped with MerCruiser or Volvo Penta engines
• Used in freshwater and saltwater boating applications
• Installation during routine engine maintenance or rebuilds
• Suitable for both pleasure craft and commercial vessels

Specs At A Glance

Good To Know

Q: Does this fuel pump fit both MerCruiser and Volvo Penta? A: Yes, it is designed to replace the OEM pumps on MerCruiser 3.0L and Volvo Penta 2.5L engines, using the same mounting and connections.

Q: Is the fuel pump pre-lubricated or ready to install? A: The pump is ready to install out of the box, but we recommend applying a thin film of engine oil to the pump gasket during installation for a proper seal.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.