861155A3 18 8868 Electric Fuel Pump for MerCruiser Mercury Marine

Product Overview

This electric fuel pump is designed for MerCruiser and Mercury Marine inboard and sterndrive engines. It delivers a steady flow of fuel from the tank to the engine for reliable starting and consistent performance. Boat owners and marine technicians use this pump to replace failed or worn units and restore proper fuel delivery.

Key Features & Performance

• Electric operation ensures consistent fuel pressure
• Direct replacement for OEM part 861155A3 and Sierra 18-8868
• Built to withstand marine vibration and moisture
• Includes mounting bracket and electrical connector for easy installation
• Compatible with 12V DC electrical systems

Fitment & Compatibility

• MerCruiser 3.0L, 4.3L, 5.0L, 5.7L, and 6.2L gasoline engines
• Mercury Marine MerCruiser sterndrive and inboard engines
• Select models with original 861155A3 fuel pump

Common Uses

• Replacing a failed electric fuel pump on a MerCruiser or Mercury engine
• Upgrading from a mechanical pump to electric for improved reliability
• Restoring fuel delivery after pump wear or electrical failure
• Marine engine maintenance and rebuild projects

Technical Specifications

• Part Number(s): 861155A3, Sierra 18-8868
• Type: Electric Fuel Pump
• Voltage: 12V DC
• Compatible Brands: MerCruiser, Mercury Marine

Frequently Asked Questions

Q: Will this pump work on a 2004 MerCruiser 5.0L? A: It is designed for many MerCruiser engines using the 861155A3 pump; verify your existing pump number matches before ordering.

Q: Does the pump come with a warranty? A: Yes, it includes a standard manufacturer warranty against defects in materials and workmanship.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.