NEW FUEL CONNECTOR CAP 878311 For MERCURY OUTBOARD 4-5-6-8-9.9-10-15-20-25-30HP

Fuel Connector Cap for Mercury

This fuel connector cap is a replacement part for Mercury outboard motors, covering horsepower ratings from 4 to 30 HP, and references OEM part number 878311.

Overview

The fuel connector cap for Mercury outboards secures the fuel line connection, preventing leaks and ensuring proper fuel flow. Designed to fit a range of Mercury outboard models from 4 to 30 HP, this fuel connector cap replaces OEM part 878311. It is an essential component for maintaining a reliable fuel system.

Built For Performance

• Snug-fitting design prevents fuel leaks
• Durable construction withstands fuel and weather exposure
• Direct replacement for OEM part 878311
• Compatible with Mercury outboards from 4 to 30 HP
• Easy to install without special tools
• Provides a secure seal for consistent fuel delivery

Fits These Machines

• for Mercury 4HP
• for Mercury 5HP
• for Mercury 6HP
• for Mercury 8HP
• for Mercury 9.9HP
• for Mercury 10HP
• for Mercury 15HP
• for Mercury 20HP
• for Mercury 25HP
• for Mercury 30HP

On-The-Job Use

• Replacing worn or cracked fuel connector caps during maintenance
• Ensuring airtight connection on fuel lines for small outboards
• Used in marine fuel systems for boats and inflatables
• Helping prevent fuel evaporation and system contamination

Specs At A Glance

Good To Know

Q: How do I know if my fuel connector cap needs replacement? A: If you notice fuel leaks or difficulty connecting the fuel line, the cap may be worn.

Q: Is this cap universal for all Mercury outboards? A: It fits models from 4 to 30 HP, but always confirm your specific model and year.

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