Wix 33797 Fuel Filter

WIX 33797 HD Fuel Filter Overview

The WIX 33797 is a heavy-duty cartridge fuel filter built for medium and heavy trucks, farm equipment, construction equipment, mining equipment, and other demanding diesel fuel systems. It uses cellulose media with a 30 micron rating to help capture fuel contamination while supporting OEM-style service intervals.

With a corrosion-resistant can, center tube, and end caps, this WIX fuel filter is built for long service life and leak-resistant sealing under tough operating conditions. It is a practical choice for owners and technicians servicing diesel applications that require dependable fuel filtration.

Key Features

• Part number: 33797
• Heavy-duty fuel filter for diesel fuel delivery systems
• Cellulose filter media with 30 micron filtration
• Cartridge-style, metal-free filter construction
• Corrosion-resistant can, center tube, and end caps
• Built for medium-duty and heavy-duty equipment use
• Compatible with select John Deere, Volvo, and NAPA Gold cross-reference applications

Detailed Product Description

WIX 33797 is engineered as an HD fuel filter for equipment that operates in demanding environments where fuel cleanliness matters. The 4.600-inch height, 4.345-inch bottom outer diameter, 4.680-inch top outer diameter, and 0.750-inch inner diameter bottom support cartridge-style fuel filter applications that use this size and configuration. The cellulose media is rated at 30 microns, helping remove particulate contamination from diesel fuel before it reaches sensitive fuel system components.

This part cross-references NAPA Gold Filters 3797 and John Deere 811999500 for the same application. It is also a relevant search match for John Deere fuel filter replacement, Volvo fuel filter replacement, and WIX 33797 diesel filter service on compatible equipment.

What It Helps Address

• Fuel contamination entering the injection system
• Restricted fuel flow caused by a loaded filter
• Hard starting related to dirty fuel delivery
• Premature wear from particulate in diesel fuel
• Service intervals that require an OEM-style replacement filter

Installation Notes and Tips

Verify the filter dimensions, cartridge style, and micron rating against the original part before installation. Confirm the housing and sealing surfaces are clean, and follow the equipment manufacturer’s fuel filter service procedure for priming and leak checks after replacement. For fitment-based searches, this part is commonly referenced for John Deere fuel filter replacement and Volvo fuel filter replacement applications where the original filter size matches.

Quality Assurance

WIX positions this HD fuel filter for demanding commercial and off-road use, with corrosion-resistant components and sealing materials selected to support leak-resistant operation. The brand recommends service intervals aligned with OEM fuel filter change schedules.