Wix 33777 Fuel Filter

Reliable Fuel Filtration for Your Vehicle

The Wix 33777 fuel filter is designed to provide consistent fuel filtration for a variety of vehicles, ensuring clean fuel delivery and engine protection. This spin-on fuel filter features a 10-micron cellulose media that effectively removes contaminants from fuel systems.

• Spin-on fuel filter style for easy installation
• 10-micron cellulose media for efficient filtration
• Height of 4.950 inches and outer diameter of 3.050 inches
• Thread size of 16x1.5 mm for secure fitment
• Burst pressure rated at 300 psi for durability under heavy-duty conditions
• Class Hb and heavy-duty (Hd) duty type for demanding applications
• Inner diameter top is closed, ensuring proper sealing

Technical Details and Specifications

The Wix 33777 fuel filter is engineered with a cellulose media material that captures particles as small as 10 microns, helping to protect fuel injectors and engine components from dirt and debris. Its spin-on design simplifies replacement, while the 16x1.5 mm thread size ensures compatibility with specific fuel systems. The filter measures 4.950 inches in height and 3.050 inches in outer diameter, making it suitable for vehicles requiring these dimensions. Rated with a burst pressure of 300 psi, this filter is built to withstand high-pressure fuel delivery systems, particularly in heavy-duty applications classified as Hb and Hd.

Compatible Vehicles and Applications

This Wix fuel filter part number 33777 is compatible with various makes and models that require a spin-on fuel filter with a 16x1.5 mm thread size and the specified dimensions. It is commonly used in diesel and gasoline engines where heavy-duty fuel filtration is necessary. For example, it fits certain Ford, Chevrolet, and Dodge trucks and SUVs that demand reliable fuel delivery and filtration under tough operating conditions.

• Protects against fuel system contamination
• Prevents clogged fuel injectors and poor engine performance
• Reduces risk of engine stalling or hesitation
• Helps maintain fuel pump longevity
• Supports consistent engine power and efficiency

Installation Notes and Tips

When installing the Wix 33777 fuel filter, ensure the engine is cool and relieve fuel system pressure before removal. The spin-on design allows for straightforward replacement; apply a light coat of clean fuel or oil to the gasket to ensure a proper seal. Tighten the filter according to manufacturer specifications to avoid leaks or damage. Always dispose of the old filter properly and check for any fuel leaks after installation.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration and durability. The 33777 fuel filter undergoes rigorous testing to ensure it meets burst pressure and filtration efficiency requirements. While specific warranty details are not provided here, Wix typically offers warranties covering defects in materials and workmanship. Consult Wix or your vehicle’s service manual for warranty and maintenance guidelines.