OE Quality
60-Day Returns

Wix 33412 Fuel Water Separator Filter
Reliable Fuel Water Separator Filter for Heavy-Duty Vehicles
The Wix 33412 Fuel Water Separator Filter is designed to provide efficient fuel filtration and water separation for heavy-duty diesel engines. Engineered with enhanced cellulose media, this spin-on filter helps maintain fuel system integrity and engine performance in vehicles such as Ford Super Duty and Chevrolet Silverado models.
- Class HC heavy-duty fuel water separator filter
- Flow rate between 12 to 16 gallons per minute
- Enhanced cellulose media for effective contaminant removal
- Spin-on style with 1-14 thread size for secure installation
- Integrated drain cock for easy water removal
- Height of 5.747 inches and outer diameter of 4.285 inches
- 14 micron filtration rating to protect fuel injectors
Detailed Product Features and Specifications
The Wix 33412 fuel water separator filter is built to handle the demands of heavy-duty applications, featuring a class HC rating and a duty type classified as HD. Its enhanced cellulose media efficiently filters out water and particulate contaminants down to 14 microns, helping to prevent fuel system damage and maintain engine reliability. The filter’s spin-on design with a 1-14 thread size ensures compatibility with a range of diesel engines, including popular models like the Ford F-250 Super Duty and Chevrolet Silverado 2500HD. The integrated drain cock allows for convenient water drainage without removing the filter, simplifying maintenance. With a flow rate capacity of 12 to 16 gallons per minute, this filter supports high fuel flow requirements typical in heavy-duty trucks and equipment.
Applications and Problem Solving
- Prevents water contamination in diesel fuel systems
- Reduces risk of injector clogging and engine misfires
- Protects fuel pumps and injectors from particulate damage
- Helps maintain consistent engine performance under heavy load
- Facilitates easier maintenance with built-in drain cock
Installation Notes and Tips
Ensure the engine is off and cooled before replacing the Wix 33412 filter. Use the spin-on design to securely thread the filter onto the fuel system housing with the specified 1-14 thread size. Utilize the integrated drain cock to remove accumulated water regularly to prevent fuel contamination. Verify proper sealing to avoid leaks and check for compatibility with your vehicle’s fuel system specifications, especially for Ford Super Duty and Chevrolet Silverado diesel models.
Quality Assurance and Warranty
Wix filters are manufactured to meet stringent quality standards for heavy-duty fuel filtration. The 33412 model is constructed with durable materials to withstand demanding operating conditions. While specific warranty details are not provided here, Wix typically offers coverage against defects in materials and workmanship. Consult Wix documentation or authorized distributors for exact warranty terms related to this fuel water separator filter.
| Brand | Wix |
| Part Number | 33412 |
| Class | Hc |
| Drain Cock | 1 |
| Duty Type | Hd |
| Flow Rate | 12-16 gpm |
| Height | 5.747 |
| Inner Diameter Top | Closed |
| Media Material | Enhanced cellulose |
| Micron | 14.00 |
| Outer Diameter Top | 4.285 |
| Style | Spin-on fuel/water separator f |
| Thread Size | 1-14 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.