Wix 33794 Fuel Filter

WIX 33794 Fuel Filter for Heavy-Duty Fuel Systems

The WIX 33794 is a cartridge-style fuel filter built for heavy-duty fuel delivery systems in medium and heavy trucks, farm equipment, construction equipment, mining equipment, and other demanding applications. It uses cellulose media with a 30 micron rating to help capture fuel contamination while supporting consistent fuel flow.

Key Features

• Cartridge fuel filter with a metal-free filter style
• Cellulose media for dependable fuel filtration
• 30 micron filtration rating
• High-strength, corrosion-resistant can, center tube, and end caps
• Superior sealing components for leak-resistant performance
• Built for HD duty type applications
• Dimensions: 2.780 in. height, 3.080 in. outer diameter, 0.670 in. inner diameter bottom

Detailed Description

WIX 33794 is engineered for fuel systems that operate under tough conditions and require service intervals aligned with OEM recommendations. Its high-efficiency media is selected for heavy-duty use, while the corrosion-resistant construction and sealing design help maintain reliable filtration in trucks and equipment exposed to vibration, moisture, and extended operating cycles. This part cross-references Fleetguard FS19575 and NAPA Gold Filters 3794 for the same application. If you are sourcing a WIX fuel filter for a Volvo or John Deere application, the 33794 offers a direct replacement option for the specified fuel system requirements.

What It Helps Address

• Fuel contamination entering the injection or delivery system
• Restricted fuel flow caused by a loaded or worn filter
• Premature wear from dirt and debris in diesel fuel
• Leak concerns related to aging sealing surfaces
• Service issues in medium-duty truck and equipment fuel systems

Installation Notes and Tips

Verify the cartridge dimensions, micron rating, and housing style before installation. Replace the filter at the service interval recommended for the vehicle or equipment, and inspect the sealing surfaces and housing for debris before fitting the new element. For Volvo, John Deere, and other heavy-duty applications, confirm the part number against the existing filter specification before service.

Quality Assurance

WIX designs this fuel filter for high-efficiency filtration and durable construction in demanding operating environments. The 33794 is built with corrosion-resistant components and sealing materials selected to support long service life in heavy-duty fuel systems.