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Part #: 33943

Wix 33943 Fuel Filter

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Overview of Wix 33943 Heavy Duty Fuel Filter

The Wix 33943 fuel filter is designed for heavy-duty applications, providing reliable filtration to protect your vehicle's fuel system. Engineered with cellulose media and a cartridge fuel metal canister style, this filter ensures efficient removal of contaminants for optimal engine performance.

  • Heavy-duty class and duty type for demanding fuel filtration needs
  • Cellulose media material with 19-micron filtration rating
  • Cartridge fuel metal canister style for durability and ease of replacement
  • Precise dimensions: 1.890 inches height, 1.371 inches outer diameter (top and bottom), 0.555 inches inner diameter bottom
  • Part number 33943 for accurate identification and fitment

Technical Details and Specifications

The Wix 33943 fuel filter features a closed inner diameter at the top and a 0.555-inch inner diameter at the bottom, designed to fit specific fuel delivery systems. Its cellulose media captures particles down to 19 microns, helping to prevent fuel system blockages and maintain engine efficiency. The cartridge fuel metal canister style offers a robust housing that withstands heavy-duty use, making it suitable for vehicles requiring durable fuel filtration solutions.

Compatible Vehicles and Applications

This fuel filter is compatible with a range of heavy-duty vehicles, including certain models of Ford, Chevrolet, and Dodge trucks that require a cartridge-style fuel filter with these specific dimensions. When searching for a fuel filter replacement for your Ford F-250, Chevrolet Silverado 2500, or Dodge Ram 2500, referencing part number 33943 ensures proper fit and function.

Common Issues Addressed by Wix 33943 Fuel Filter

  • Prevents fuel contamination that can cause engine misfires or poor performance
  • Reduces clogging in fuel injectors and carburetors
  • Protects fuel pumps from premature wear due to debris
  • Helps maintain consistent fuel flow under heavy-duty operating conditions
  • Minimizes risk of engine stalling caused by fuel delivery interruptions

Installation Notes and Tips

When installing the Wix 33943 fuel filter, ensure the vehicle is turned off and fuel system pressure is relieved. Verify the filter orientation matches the fuel flow direction indicated on the canister. Use appropriate tools to avoid damage to the filter housing or fuel lines. Consult your vehicle’s service manual for specific installation procedures related to your make and model.

Quality Assurance and Warranty

Wix fuel filters are manufactured to meet industry standards for heavy-duty fuel filtration. The 33943 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. Refer to Wix’s official documentation for complete warranty information.

BrandWix
Part Number33943
ClassHd
Duty TypeHd
Height1.890
Inner Diameter Bottom0.555
Inner Diameter TopClosed
Media MaterialCellulose
Micron19.00
Outer Diameter Bottom1.371
Outer Diameter Top1.371
StyleCartridge fuel metal canister

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

31736748900953G663G7

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