Mercury – Remote-Mount Water-Separating Fuel Filter Kit | For Outboards & MerCruiser Engines | 802893A4

Overview

Keep your fuel clean and your engine running strong with the Mercury Marine 802893A4 Remote-Mount Water-Separating Fuel Filter Kit. This complete kit includes everything you need to install or service a remote-mounted fuel filter — providing a first line of defense against water and debris before it reaches your engine. Designed for use with most Mercury outboards and MerCruiser engines, it’s easy to mount between the fuel tank and engine using basic tools. The result is smoother performance, cleaner combustion, and long-term protection for your fuel system.

Key Features

• Purpose: Removes water and contaminants from fuel before it reaches your engine.
• Contents: Includes fuel filter element and mounting bracket for a complete setup.
• Performance: Prevents corrosion and fuel-system damage caused by moisture and debris.
• Ease of Use: Simple installation using common tools — mounts between tank and engine.
• Design: Built to OEM specifications for proper fit, flow rate, and reliability.

Engine & Boat Compatibility

• Fits most Mercury outboards
• Fits MerCruiser sterndrive and inboard engines
• Not compatible with 1992 MerCruiser 4.3L Gen II engines equipped with an in-line fuel filter

Performance & Real-World Benefits

The 802893A4 filter kit gives your fuel system reliable protection where it matters most. By removing water and contaminants, it helps prevent corrosion, injector damage, and poor engine performance. It’s an easy upgrade that can significantly extend the life of your engine.

Routine maintenance is simple — just replace the filter cartridge as needed. The sturdy mounting bracket makes servicing quick, clean, and hassle-free, whether you’re in the garage or at the dock.

Why Choose Mercury OEM

The Mercury 802893A4 is a genuine Mercury Marine kit, designed to deliver the same level of quality and protection used in factory installations. Aftermarket filters may look similar but can lack proper filtration efficiency or allow restricted flow, leading to reduced performance.

Mercury OEM fuel filters are tested under real marine conditions for flow, pressure, and water-separation efficiency. With this kit, you’re getting proven, factory-level protection and a perfect fit every time.

FAQ

Q1: What’s included in this kit?
It comes with a water-separating fuel filter and mounting bracket — everything you need to install or service your remote system.

Q2: What engines will this fit?
It fits most Mercury outboards and MerCruiser engines, except for 1992 4.3L Gen II models with in-line fuel filters.

Q3: How does it work?
It filters out water and debris before they enter your engine, protecting injectors, pumps, and fuel lines.

Q4: How hard is it to install?
Installation is straightforward — mount it between the fuel tank and the engine with standard tools.

Q5: Why OEM instead of aftermarket?
Mercury OEM filters are engineered for the right flow rate, efficiency, and corrosion protection, ensuring long-term reliability.