Mercury – Quicksilver Water-Separating Fuel Filter | Fuel System Component | 75HP 2-Stroke 4-Cylinder Outboards | 73532

Overview

Clean fuel keeps your outboard performing the way it should. The Mercury Marine 73532 Quicksilver Water-Separating Fuel Filter protects your engine by removing moisture, dirt, and other contaminants before they reach the carburetor. Designed for Mercury 75HP 2-stroke 4-cylinder outboards (1984–1988) and 80HP 4-cylinder models (1980–1983), this OEM filter uses stainless-steel mesh and fabric media for superior filtration and long-lasting performance. It’s an essential part of any proper fuel maintenance routine, ensuring smooth running and full power on every trip.

Key Features

• Purpose: Filters out water, rust, and fuel debris to keep your system clean.
• Material: Built with stainless-steel wire mesh and fabric filter media for durability and precision.
• Performance: Maintains steady fuel delivery and prevents power loss due to clogging or contamination.
• Design: OEM fit ensures perfect sealing and flow for Mercury 4-cylinder outboards.
• Durability: Resists corrosion and pressure in both freshwater and saltwater use.
• Ease of Service: Installs quickly with standard tools for easy maintenance.

Engine & Boat Compatibility

• Mercury 75HP 2-stroke 4-cylinder outboards (1984–1988, s/n 6432901 and up)
• Mercury 80HP 4-cylinder outboards (1980–1983, s/n 5582562–6432900)

Performance & Real-World Benefits

The 73532 fuel filter keeps your outboard’s fuel system clean and reliable. It removes water and contaminants that can lead to corrosion, poor combustion, or rough idling. The fine mesh and fabric combination offer efficient filtration without restricting flow, giving you consistent performance and smoother acceleration.

Replacing your fuel filter regularly helps prevent clogged injectors or carburetor jets, which can rob horsepower and fuel economy. It’s a simple part that delivers real peace of mind every time you start your engine.

Why Choose Mercury OEM

The Quicksilver 73532 is a genuine Mercury Marine filter, engineered to meet factory performance and durability standards. Aftermarket filters may not offer the same level of protection or could restrict flow, reducing engine efficiency.

Mercury’s OEM filters are designed for marine fuel systems, resisting ethanol, water, and corrosion while maintaining reliable flow. Choosing OEM ensures your engine runs cleaner, smoother, and longer — just like Mercury intended.

FAQ

Q1: What engines does this filter fit?
It fits Mercury 75HP 2-stroke (1984–1988) and 80HP 4-cylinder (1980–1983) outboards.

Q2: What materials are used?
It’s built with stainless-steel wire mesh and fabric filter media for efficient, durable filtration.

Q3: How often should I replace it?
Replace it every 100 hours or once per season, or sooner if fuel contamination is suspected.

Q4: What does this filter protect against?
It removes water, rust, and fuel impurities, preventing corrosion and engine wear.

Q5: Why OEM instead of aftermarket?
Mercury OEM filters provide the correct flow rate and filtration precision for your engine — tested and proven for marine use.