OE Quality
60-Day Returns

Wix 33413 Fuel Water Separator Filter
Overview of Wix 33413 Fuel Water Separator Filter
The Wix 33413 fuel water separator filter is designed to protect diesel engines by efficiently removing water and contaminants from fuel. This spin-on filter features cellulose media and a heavy-duty construction, making it suitable for demanding applications in vehicles such as Ford Super Duty and Chevrolet Silverado diesel trucks.
- Spin-on fuel water separator style with 1-14 thread size
- Heavy-duty (Hd) duty type for extended service life
- Cellulose media material for effective filtration
- Height of 4.025 inches with outer diameters of 4.330 inches (top) and 4.240 inches (bottom)
- Closed inner diameter top design for secure sealing
Detailed Product Description
The Wix 33413 fuel water separator filter is engineered to provide reliable fuel filtration by separating water and particulate contaminants from diesel fuel. Its cellulose media captures impurities while allowing clean fuel to flow through, helping to maintain engine performance and prevent damage. The spin-on design with a 1-14 thread size ensures easy installation and replacement. With a height of 4.025 inches and precise outer diameters, this filter fits securely in compatible fuel systems. The closed inner diameter top enhances sealing integrity, reducing the risk of leaks.
Applications and Problem Solving
This fuel water separator filter is commonly used in diesel-powered vehicles such as Ford F-250, F-350 Super Duty, and Chevrolet Silverado 2500HD models. It addresses several common fuel system issues:
- Prevents water contamination that can cause fuel injector damage
- Reduces clogging from dirt and debris in fuel lines
- Helps maintain consistent engine performance and fuel efficiency
- Protects fuel pumps from premature wear
- Minimizes risk of engine stalling due to contaminated fuel
Installation Notes and Tips
When installing the Wix 33413 fuel water separator filter, ensure the engine is off and cooled down. Verify the thread size matches the vehicle’s fuel filter housing (1-14 thread). Apply a thin layer of clean fuel or oil to the gasket before threading the filter on to ensure a proper seal. Tighten the filter according to manufacturer specifications to avoid leaks or damage. Regular inspection and timely replacement help maintain optimal fuel system health.
Quality Assurance and Warranty
Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33413 model undergoes rigorous quality control to ensure consistent performance in heavy-duty applications. While specific warranty details may vary, 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 | 33413 |
| Class | Hw |
| Duty Type | Hd |
| Height | 4.025 |
| Inner Diameter Top | Closed |
| Media Material | Cellulose |
| Outer Diameter Bottom | 4.240 |
| Outer Diameter Top | 4.330 |
| Style | Spin on fuel water separator w |
| 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.