Wix 33813 Fuel Water Separator Filter - Primary

Overview of Wix 33813 Fuel Water Separator Filter

The Wix 33813 Fuel Water Separator Filter is designed to provide reliable fuel filtration for heavy-duty applications. Engineered with a 10-micron cellulose media, this spin-on filter effectively removes water and contaminants to protect fuel systems in vehicles such as Ford Super Duty and Chevrolet Silverado trucks.

• Class Hb rating for heavy-duty performance
• Flow rate between 12-15 gallons per minute
• 6.25 inches in height with a 4.38-inch outer diameter top
• Spin-on style with 1-14 thread size for secure installation
• Cellulose media material with 10-micron filtration capability
• Closed inner diameter top design

Detailed Product Description

The Wix 33813 fuel water separator filter is built to meet the demands of heavy-duty diesel engines requiring efficient water and particulate separation. Its cellulose media captures particles down to 10 microns, ensuring cleaner fuel delivery and reducing wear on fuel injectors and pumps. The spin-on design simplifies replacement, while the 1-14 thread size ensures compatibility with many OEM fuel systems. With a flow rate of 12 to 15 gallons per minute, this filter supports consistent fuel flow for vehicles like the Ford F-250 and Chevrolet Silverado 2500HD, helping maintain engine performance under demanding conditions.

Applications and Problem Solving

• Prevents water contamination in diesel fuel systems
• Reduces clogging caused by dirt and debris
• Protects fuel injectors and pumps from premature wear
• Maintains optimal fuel flow for heavy-duty trucks
• Helps avoid engine performance issues related to fuel quality

Installation Notes and Tips

Ensure the engine is off and cooled before replacing the Wix 33813 filter. Use the correct wrench size for the 1-14 threaded spin-on filter to avoid damage. Inspect the sealing surface and apply a light coat of clean fuel or oil to the gasket before installation. Tighten the filter according to manufacturer specifications to prevent leaks. Regular replacement intervals based on vehicle usage and fuel quality will help maintain system integrity.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33813 model undergoes rigorous testing to ensure consistent performance in heavy-duty applications. While specific warranty details vary, Wix typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to this fuel water separator filter.