HomeAir and Fuel Delivery > FiltersWix 33837 Fuel Filter
Part #: 33837

Wix 33837 Fuel Filter

⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, and Savana 3500
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Overview of Wix 33837 Heavy Duty Fuel Filter

The Wix 33837 fuel filter is designed for heavy-duty applications, specifically compatible with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. This cartridge-style fuel filter features enhanced cellulose media to provide reliable filtration performance for your vehicle's fuel system.

  • Heavy-duty class and duty type for demanding conditions
  • Cartridge fuel filter with metal-free construction
  • Enhanced cellulose media with 7 micron filtration rating
  • Height: 3.900 inches; Outer diameter: 3.700 inches (top and bottom)
  • Inner diameter bottom: 1.710 inches; top is closed

Technical Specifications and Features

The Wix 33837 fuel filter utilizes enhanced cellulose media, which effectively filters contaminants down to 7 microns, helping to protect fuel injectors and engine components. Its cartridge style design is metal-free, reducing corrosion risks and simplifying disposal. The filter measures 3.900 inches in height with an outer diameter of 3.700 inches at both the top and bottom, ensuring a precise fit. The bottom inner diameter is 1.710 inches, while the top is closed, designed to fit specific fuel system configurations in Chevrolet and GMC heavy-duty vans.

Compatible Vehicles and Applications

This fuel filter is compatible with the following vehicles:

  • Chevrolet Express 2500
  • Chevrolet Express 3500
  • GMC Savana 2500
  • GMC Savana 3500

It is engineered to meet the filtration needs of these heavy-duty vans, ensuring clean fuel delivery under demanding operating conditions.

Common Issues Addressed by Wix 33837 Fuel Filter

  • Prevents fuel system clogging caused by dirt and debris
  • Reduces engine performance issues related to contaminated fuel
  • Protects fuel injectors from premature wear
  • Helps maintain consistent fuel flow and engine efficiency
  • Minimizes risk of fuel pump damage due to contaminants

Installation Notes and Tips

When installing the Wix 33837 fuel filter, ensure the vehicle is parked on a level surface and the engine is cool. Follow manufacturer guidelines for depressurizing the fuel system before removal. Verify the filter orientation matches the original part, noting the closed top and open bottom design. Use appropriate tools to avoid damage to the filter housing and ensure a secure fit to prevent leaks.

Quality Assurance and Warranty

Wix fuel filters are manufactured to meet industry standards for heavy-duty filtration. The 33837 model undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details may vary, Wix typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandWix
Part Number33837
ClassHD
Duty TypeHD
Height3.900
Inner Diameter Bottom1.710
Inner Diameter TopClosed
Media MaterialEnhanced Cellulose
Micron7.00
Outer Diameter Bottom3.700
Outer Diameter Top3.700
StyleCartridge Fuel Metal Free Filt

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2011ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2011GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2011GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309
2010ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2010ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2010GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2010GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309
2009ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2009ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2009GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2009GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309
2008ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2008ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2008GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2008GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309
2007ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2007ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2007GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2007GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309
2006ChevroletExpress 25006.6LV8N/AOriginal Equipment Part Number 19259309
2006ChevroletExpress 35006.6LV8N/AOriginal Equipment Part Number 19259309
2006GMCSavana 25006.6LV8N/AOriginal Equipment Part Number 19259309
2006GMCSavana 35006.6LV8N/AOriginal Equipment Part Number 19259309

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

LFF1537

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.