Mercruiser Mercury Marine Fuel Pump 3854858 42725A3 for 2.5L/3.0L Engines - OMC 509407 Compatible

## Product Introduction: This fuel pump is a replacement component designed for compatibility with Mercruiser, Mercury Marine, Volvo Penta, and OMC engines. It is identified by several OEM part numbers including 3854858, 42725A3, 509407, and others listed in the specifications. The unit is intended to restore fuel delivery functionality to affected engine models. ## Product Specifications:

• OEM Part Numbers: 3854858, 42725A3, 861676T09, 8M0073435, 861676A1, 509407
• Engine Compatibility: GM Mercruiser, OMC, Volvo Penta 2.5L & 3.0L Engines
• Specific Models: MerCruiser 140, 3.0L (Serial # 6229718 & Up), 3.0LX (Serial # C856559 & Up), 165, 170, 180, 190, MC120, MC165, MC170, MC180, MC190, MC, MC470-1, MC488. Volvo Penta 3.0L. OMC 509407.
• Package Contents: 1 x Fuel Pump
• Material: Not specified
• Mounting Position: Not specified
• Structure: Not specified

## Product Attributes:

• Function: Provides fuel delivery to the engine.
• Design: Replaces original equipment manufacturer (OEM) parts.
• Role: Restores proper engine operation by ensuring adequate fuel supply.
• Compatibility Notes: Verify flange number and visual match to provided pictures before installation.

## Recommended Usage Scenarios or Occasions: Suitable for routine maintenance or as a replacement part for engines experiencing fuel delivery issues during regular operation.