Wix 33791 Fuel Filter

WIX 33791 Fuel Filter for Heavy-Duty Fuel Systems

The WIX 33791 is a heavy-duty cartridge fuel filter built for demanding fuel delivery systems in medium and heavy trucks, farm equipment, construction equipment, mining equipment, and other off-road applications. With 30 micron cellulose media and a metal-free cartridge style, it supports clean fuel flow while helping protect sensitive injection components.

Key Features

• Part number: 33791
• Fuel filter for air and fuel delivery systems
• 30 micron cellulose filtration media
• Cartridge fuel metal-free filter style
• 8.910 in. height with 4.320 in. top and bottom outer diameter
• 0.750 in. inner diameter bottom
• High-strength can, center tube, and end caps with corrosion-resistant construction
• Sealing components engineered for leak-resistant performance under demanding operating conditions

Detailed Description

WIX 33791 is engineered for heavy-duty fuel filtration where consistent flow and contaminant control matter. The cellulose media is rated at 30 microns, making it a practical choice for equipment that follows OEM fuel filter change intervals. Its cartridge design and metal-free construction support service in applications where dependable filtration and durable sealing are required. This part number 33791 is commonly searched for heavy truck and equipment fuel filter replacement needs, including WIX 33791 cross reference searches for fleet and off-road maintenance.

This fuel filter cross-references select applications from Baldwin, Donaldson, Fleetguard, FRAM, NAPA Gold Filters, and Racor. For buyers searching by make and model, WIX 33791 is a relevant replacement reference for John Deere, Caterpillar, and other heavy equipment fuel filter applications where the original filter specification matches this design.

What It Helps Address

• Fuel contamination that can affect injector performance
• Restricted fuel flow caused by a loaded or aging filter
• Premature wear from dirt and debris in diesel fuel systems
• Leak concerns related to worn sealing surfaces
• Service intervals that require an OEM-style heavy-duty fuel filter replacement

Installation Notes and Tips

Verify the filter dimensions, micron rating, and cartridge style against the original part before installation. Confirm the housing and sealing surfaces are clean, then install according to the equipment service procedure. For fitment-based searches, this part is commonly referenced for John Deere fuel filter replacement and Caterpillar fuel filter replacement applications when the original specification matches WIX 33791.

Quality Assurance

WIX builds this fuel filter with corrosion-resistant structural components and sealing materials selected for long service life in harsh operating conditions. The design follows WIX heavy-duty filtration standards for equipment that depends on reliable fuel system protection.