Mercury – Fuel Rail Assy – 8M0185155

The Mercury Fuel Rail Assy – 8M0185155 is a genuine OEM replacement component designed to deliver precise and consistent fuel delivery across all engine cylinders. Built to Mercury's exact engineering standards, this fuel rail ensures optimal engine performance and longevity in harsh marine environments.

Key Features

OEM-Certified Fit and Performance – Manufactured to Mercury’s strict tolerances for seamless integration

Efficient Fuel Distribution – Maintains proper fuel pressure to each injector for smooth, reliable operation

Corrosion-Resistant Build – Engineered with marine-grade materials to withstand saltwater and humidity

Supports High-Performance Engines – Designed for compatibility with modern, high-output Mercury outboards

Pre-Assembled Convenience – Ships ready for quick installation with OEM connections

Compatibility

The Mercury 8M0185155 Fuel Rail Assy is specifically engineered for select Mercury marine engines. It's important to cross-reference your engine model and serial number with official Mercury documentation to ensure correct fitment. Ideal for EFI-equipped models requiring exact fuel pressure control.

Ideal Use Cases

Replacing a corroded or leaking fuel rail to restore full performance

Servicing EFI (Electronic Fuel Injection) Mercury engines

Preventive maintenance in high-hour or saltwater-exposed engines

Supporting optimal fuel atomization and injector function

Why Fuel Rail Quality Matters

A compromised fuel rail can lead to misfires, fuel leaks, poor performance, or engine damage. The Mercury Fuel Rail Assy – 8M0185155 offers peace of mind by ensuring your fuel injection system operates at peak efficiency. Using OEM parts not only guarantees fit but also protects your engine investment under demanding marine conditions.

Frequently Asked Questions

How do I know if this fuel rail is compatible with my engine?

Check your engine’s serial number and consult your Mercury parts manual, or contact PartsVu’s support for assistance.

Is this part difficult to install?

It’s a direct OEM replacement and typically installs without modification, though professional installation is recommended for fuel system components.

Why should I replace a fuel rail instead of cleaning it?

Over time, internal corrosion or clogs can reduce performance. Replacement ensures proper fuel delivery and helps prevent injector issues.