Fuel Pump Relay for Volvo Penta OMC 4.3 5.0 5.7 Replace 3857533 3850403 3852259

This Fuel Pump Relay is a electrical component compatible with for Volvo Penta and OMC marine equipment and references part number(s) 3857533, 3850403, and 3852259.

Product Overview

The Fuel Pump Relay for Volvo Penta OMC 4.3 5.0 5.7 Replace 3857533 3850403 3852259 is a critical electrical relay designed for marine engine fuel systems. This 12V relay handles the electrical current required to power the fuel pump safely, ensuring proper fuel delivery when the engine is running. Engineered to withstand the demanding marine environment, it serves as a direct replacement component to restore or maintain reliable starting and smooth engine operation across compatible 4.3L, 5.0L, and 5.7L gasoline engines.

Key Features & Performance

• Provides efficient electrical management for the engine fuel pump system
• Reliably controls high-current distribution to maintain stable power delivery
• Helps ensure proper fuel pressure during ignition and continuous engine running
• Durable build quality helps resist moisture and thermal stress in marine environments
• Designed as a direct replacement part for convenient service and repair

Fitment & Compatibility

• for Volvo Penta 4.3
• for Volvo Penta 5.0
• for Volvo Penta 5.7
• for OMC 4.3
• for OMC 5.0
• for OMC 5.7

Common Uses

• Replacing a faulty or burnt out fuel pump relay in marine vessels
• Troubleshooting engine no-start issues related to poor fuel pump power supply
• Routine marine electrical system restoration and preventive engine maintenance

Technical Specifications

• Product Type: Fuel Pump Relay
• Part Number(s): 3857533, 3850403, 3852259
• Brand Compatibility: for Volvo Penta, for OMC
• Voltage: 12V
• Engine Compatibility: 4.3L, 5.0L, 5.7L

Frequently Asked Questions

Q: How do I verify this relay fits my marine engine? A: Please cross-reference your existing part number with the listed replacement numbers, such as 3857533 or 3850403, to ensure compatibility before making a purchase.

Q: What symptoms indicate that a fuel pump relay needs replacement? A: Common symptoms include an engine that cranks but will not start, intermittent stalling due to loss of fuel pump power, or a fuel pump that fails to prime when the ignition is switched on.