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Wix 33343 Fuel Filter
Overview of Wix 33343 Spin-On Fuel Filter
The Wix 33343 fuel filter is designed to provide reliable fuel filtration for various heavy-duty vehicles. Featuring a spin-on style and enhanced cellulose media, this filter helps maintain fuel system cleanliness and engine performance.
- Spin-on fuel filter design for easy installation
- Enhanced cellulose media with 10-micron filtration
- Height: 5.189 inches; Outer diameter top: 3.663 inches
- Thread size: 3/4-16 for secure fitment
- Burst pressure rating of 325 psi for durability
- Class Hc and heavy-duty duty type for demanding applications
Technical Details and Specifications
The Wix 33343 fuel filter utilizes enhanced cellulose media to capture contaminants as small as 10 microns, protecting fuel injectors and engine components from debris and sediment. Its spin-on style allows for straightforward replacement without special tools. The filter measures 5.189 inches in height with a 3.663-inch outer diameter at the top, and it features a 3/4-16 thread size ensuring compatibility with many heavy-duty fuel systems. Rated for a burst pressure of 325 psi, this filter is built to withstand high-pressure fuel delivery environments commonly found in trucks and commercial vehicles.
Compatible Vehicles and Applications
This Wix 33343 fuel filter is compatible with a range of heavy-duty trucks and commercial vehicles requiring a spin-on fuel filter with these specifications. It is suitable for diesel and gasoline engines that demand a Class Hc heavy-duty filter. Common applications include Ford F-Series trucks, Chevrolet Silverado HD models, and Dodge Ram heavy-duty trucks, among others. Always verify fitment with your vehicle’s OEM specifications before installation.
Common Issues Addressed by Wix 33343 Fuel Filter
- Prevents fuel system clogging caused by dirt and debris
- Reduces injector wear by filtering out contaminants
- Helps maintain consistent fuel pressure and engine performance
- Protects fuel pumps from premature failure
- Minimizes risk of engine stalling or rough idling due to fuel contamination
Installation Notes and Tips
When installing the Wix 33343 fuel filter, ensure the engine is off and cooled down. Use the 3/4-16 thread size to securely attach the filter by hand, then tighten according to vehicle manufacturer torque specifications. Check for leaks after installation and prime the fuel system if necessary. Dispose of the old filter properly in accordance with local regulations.
Quality Assurance and Warranty
Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33343 model undergoes rigorous testing to ensure it meets burst pressure and filtration requirements. While specific warranty details may vary, Wix typically offers a limited warranty against defects in materials and workmanship. Consult product documentation or Wix customer service for exact warranty terms.
| Brand | Wix |
| Part Number | 33343 |
| Burst Pressure | 325 |
| Class | HC |
| Duty Type | HD |
| Height | 5.189 |
| Inner Diameter Top | Closed |
| Media Material | Enhanced Cellulose |
| Micron | 10.00 |
| Outer Diameter Top | 3.663 |
| Style | Spin-On Fuel Filter |
| Thread Size | 3/4-16 |
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* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.