Wix 33667 Fuel Filter

Overview of Wix 33667 Fuel Filter for Ford and Mazda Vehicles

The Wix 33667 fuel filter is designed to provide reliable fuel filtration for select Ford and Mazda models, including the Ford Explorer, Ranger, and Mazda B3000. Engineered to maintain fuel system cleanliness, this filter supports optimal engine performance and longevity.

• Class W fuel filter with durable construction
• Height: 6.909 inches for proper fitment
• Inlet size: 3/8 inch; outlet size: 5/16 inch
• Cellulose media material with 10-micron filtration rating
• Complete in-line fuel filter style for straightforward installation
• Compatible with Ford Explorer, Explorer Sport, Explorer Sport Trac, Ranger, and Mazda B3000

Technical Specifications and Features

The Wix 33667 fuel filter features a cellulose media material that effectively filters particles down to 10 microns, helping to prevent contaminants from reaching the engine. Its in-line design includes a 3/8 inch inlet and a 5/16 inch outlet, ensuring compatibility with the fuel lines of the specified vehicles. The filter measures 6.909 inches in height, with an outer diameter of 3.582 inches at the top and 2.996 inches at the bottom, designed to fit securely within the fuel system. The inner diameter at the top is closed, and the vapor outlet is 5/16 inch, supporting proper fuel vapor management.

Compatible Vehicles and Applications

This fuel filter is compatible with several Ford and Mazda models, specifically:

• Ford Explorer, Explorer Sport, Explorer Sport Trac
• Ford Ranger
• Mazda B3000

It is intended for use in light-duty applications where maintaining clean fuel delivery is critical for engine efficiency and emission control.

Common Issues Addressed by Wix 33667 Fuel Filter

• Prevents fuel system clogging caused by dirt and debris
• Reduces risk of engine misfires due to contaminated fuel
• Helps maintain consistent fuel pressure and flow
• Protects fuel injectors from premature wear
• Supports smoother engine operation and fuel economy

Installation Notes and Tips

When installing the Wix 33667 fuel filter, ensure the vehicle is parked on a level surface and the engine is cool. Relieve fuel system pressure before removal of the old filter. Confirm the inlet and outlet hose sizes (3/8 inch inlet, 5/16 inch outlet) match the vehicle’s fuel lines. Install the filter in the correct flow direction, typically indicated by an arrow on the filter body. Tighten connections securely to prevent leaks but avoid over-tightening which may damage fittings.

Quality Assurance and Warranty Information

Wix fuel filters are manufactured to meet industry standards for filtration efficiency and durability. The 33667 model undergoes rigorous quality control to ensure consistent performance in compatible Ford and Mazda vehicles. While specific warranty details may vary, Wix generally offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.