861156A02 Fuel Pump And Cooler Kit For Mercury MerCruiser 8M0125846 18 8861

This Fuel Pump & Cooler Kit is a replacement fuel delivery and cooling module compatible with Mercury MerCruiser stern drive and inboard engines and matches OEM Part# 861156A02, 8M0125846, 18-8861.

Product Overview

This Fuel Pump & Cooler Kit provides reliable fuel delivery and engine cooling for Mercury MerCruiser marine engines. Designed as a direct replacement, it restores proper fuel pressure and temperature regulation to keep your boat running smoothly. Ideal for boat owners and marine technicians seeking a complete pump and cooler assembly.

Key Features & Performance

• Integrated fuel pump and cooler assembly for simplified installation
• OEM replacement quality with part numbers 861156A02, 8M0125846, 18-8861
• Helps prevent vapor lock and maintain consistent fuel flow
• Corrosion-resistant construction for marine environments
• Direct fit for Mercury MerCruiser applications without modification

Fitment & Compatibility

• Compatible with Mercury MerCruiser stern drive and inboard engines
• Fits models using the original pump/cooler assembly with these part numbers

Common Uses

• Replacement for worn or failed fuel pump and cooler units in marine engines
• Restoring fuel system performance in older MerCruiser powerplants
• Boat engine maintenance and repair projects

Technical Specifications

• Part Number(s): 861156A02, 8M0125846, 18-8861

Frequently Asked Questions

Q: Is this kit a direct replacement for my MerCruiser engine? A: Yes, it is designed to replace the original fuel pump and cooler assembly using the listed OEM part numbers — verify your existing part number before ordering.

Q: Does this kit include any mounting hardware? A: The kit includes the pump and cooler assembly; external gaskets or hardware may need to be reused or purchased separately.

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