Wix 33250 Fuel Filter

WIX 33250 Fuel Filter for Mercedes-Benz Diesel Applications

The WIX 33250 fuel filter is a complete in-line fuel filter built for Mercedes-Benz diesel applications that need consistent fuel cleanliness and dependable engine protection. With 5-micron cellulose media and a closed-top design, it helps maintain fuel system performance in demanding driving conditions.

Key Features

• 5.00 micron cellulose media for fine fuel filtration
• Complete in-line fuel filter style
• Closed inner diameter top design
• 4.523 in. height with 3.622 in. outer diameter top
• Inlet size: .400; outlet size: 5/16
• Built for normal and severe driving conditions, including stop-and-go traffic, short trips, dirt roads, and interstate use
• Recommended for OEM fuel filter change intervals

Detailed Description

WIX 33250 is engineered for Mercedes-Benz fuel systems that require a precise in-line filter with application-specific media. The cellulose filter media is selected for fuel filtration performance, while the 5-micron rating supports removal of fine contaminants that can affect injectors, pumps, and overall drivability. This part cross-references Mercedes-Benz 642 092 03 01 and A6420920301 for the same application. It is a direct service option for vehicles including the Mercedes-Benz Sprinter 2500, Sprinter 3500, Sprinter 3500XD, GL350, ML350, E350, R350, E320, GL320, ML320, and R320.

What It Helps Address

• Fuel contamination from dirt and debris
• Restricted fuel flow caused by a loaded filter
• Rough running related to poor fuel cleanliness
• Reduced protection for fuel system components
• Service replacement needs at OEM-style intervals

Installation Notes and Tips

Verify inlet and outlet sizing before installation: .400 inlet and 5/16 outlet. Confirm the vehicle’s fuel filter location and service procedure for the specific Mercedes-Benz model and year. For fitment, this part is listed for 2010-2022 Mercedes-Benz Sprinter 3500, 2018-2022 Mercedes-Benz Sprinter 3500XD, 2019 and 2010-2017 Mercedes-Benz Sprinter 2500, 2015 and 2010-2014 Mercedes-Benz GL350, 2010-2015 Mercedes-Benz ML350, 2011-2013 Mercedes-Benz E350, 2010-2013 Mercedes-Benz R350, 2009 and 2007 Mercedes-Benz E320, GL320, ML320, and R320, plus 2008 Mercedes-Benz E320, GL320, ML320, and R320 with OE part number 642 092 03 01.

Quality Assurance

WIX fuel filters are built with high-quality materials and application-specific media to support reliable filtration under a wide range of operating conditions. The brand recommends following OEM fuel filter change intervals for ongoing engine protection.