Wix 33337 Fuel Water Separator Filter

Reliable Fuel Water Separator Filter for Heavy-Duty Vehicles

The Wix 33337 Fuel Water Separator Filter is engineered to provide effective filtration for diesel engines, helping to protect fuel systems from water contamination and particulate matter. Designed for heavy-duty applications, this spin-on filter supports optimal engine performance and longevity.

• Burst pressure rating of 425 psi for durability under demanding conditions
• Heavy-duty (Hd) duty type suitable for commercial and industrial vehicles
• 14-micron enhanced cellulose media for efficient filtration of fuel and water
• Spin-on style with 7/8-14 thread size for straightforward installation
• Height of 9.404 inches and outer diameter of 4.282 inches for precise fitment
• Drain cock included for easy water removal during maintenance

Technical Details and Filter Attributes

The Wix 33337 fuel water separator filter features enhanced cellulose media designed to capture contaminants as small as 14 microns, ensuring cleaner fuel delivery to the engine. Its spin-on design with a 7/8-14 thread size allows for secure attachment and easy replacement. The filter’s burst pressure of 425 psi confirms its capability to withstand high-pressure fuel systems commonly found in heavy-duty trucks and commercial vehicles. The integrated drain cock facilitates efficient water drainage, reducing the risk of water-related engine damage. With a height of 9.404 inches and an outer diameter of 4.282 inches, this filter fits specific fuel systems requiring these dimensions.

Applications and Problem Solving

• Prevents water contamination in diesel fuel systems
• Reduces particulate buildup that can clog injectors and fuel pumps
• Protects engine components from corrosion and wear
• Maintains fuel system efficiency in heavy-duty trucks and commercial vehicles
• Helps avoid costly engine downtime due to fuel contamination

Installation Notes and Tips

Ensure the engine is off and cooled before replacing the Wix 33337 filter. Use the spin-on design to remove the old filter by turning counterclockwise and install the new filter by hand, tightening securely to the 7/8-14 thread size specification. Utilize the drain cock to remove any accumulated water during routine maintenance. Verify compatibility with your vehicle’s fuel system dimensions and specifications before installation.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration performance and durability. The 33337 model is built to withstand heavy-duty operating conditions, providing reliable protection for diesel fuel systems. Warranty details are available through Wix and should be reviewed to understand coverage specifics.