OE Quality
60-Day Returns

Wix 33640 Fuel Filter
Reliable Fuel Filtration for Your Vehicle
The Wix 33640 fuel filter is designed to provide consistent fuel filtration performance for a variety of automotive applications. Engineered with enhanced cellulose media, this spin-on fuel filter helps maintain clean fuel flow and protects your engine from contaminants.
- Spin-on fuel filter style with 1-14 thread size for secure installation
- Enhanced cellulose media with 3-micron filtration for effective contaminant removal
- High burst pressure rating of 325 psi for durability under demanding conditions
- Flow rate between 12-15 gallons per minute to support efficient fuel delivery
- Compact dimensions: 9.321 inches height and 3.700 inches outer diameter
- Beta ratio of 75=3 ensuring reliable filtration efficiency
- Class Hb and heavy-duty (Hd) duty type for robust performance
Detailed Product Features and Specifications
The Wix 33640 fuel filter utilizes enhanced cellulose media to capture particles as small as 3 microns, helping to prevent fuel system blockages and engine wear. Its spin-on design with a 1-14 thread size allows for straightforward replacement in compatible vehicles. Rated for a burst pressure of 325 psi, this filter withstands high-pressure fuel systems commonly found in many trucks and passenger vehicles. The flow rate of 12 to 15 gallons per minute supports steady fuel delivery, which is critical for maintaining engine performance and efficiency. With a height of 9.321 inches and an outer diameter of 3.700 inches, the filter fits within standard fuel filter housings designed for this size.
Compatible Vehicles and Applications
This Wix 33640 fuel filter is compatible with various makes and models requiring a spin-on fuel filter with a 1-14 thread size and similar dimensions. It is commonly used in medium-duty trucks and passenger vehicles that demand reliable fuel filtration to protect fuel injectors and engine components. When searching for a fuel filter replacement for your vehicle, look for part number 33640 to ensure proper fit and function.
Common Issues Addressed by the Wix 33640 Fuel Filter
- Prevents fuel system clogging caused by dirt and debris
- Reduces engine misfires and rough idling due to contaminated fuel
- Protects fuel injectors from premature wear and damage
- Maintains consistent fuel flow for optimal engine performance
- Helps avoid costly repairs related to fuel system contamination
Installation Notes and Tips
Before installing the Wix 33640 fuel filter, ensure the engine is cool and relieve fuel system pressure according to the vehicle manufacturer’s guidelines. The spin-on design simplifies replacement; apply a light coat of clean fuel or oil to the gasket before threading the filter onto the mounting base. Tighten the filter securely by hand, avoiding over-tightening which can damage the threads. After installation, check for leaks and start the engine to verify proper fuel flow.
Quality Assurance and Warranty Information
Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33640 fuel filter is built with quality materials including enhanced cellulose media and robust construction to withstand heavy-duty use. 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 terms.
| Brand | Wix |
| Part Number | 33640 |
| BetaRatio | 75=3 |
| Burst Pressure | 325 |
| Class | Hb |
| Duty Type | Hd |
| Flow Rate | 12-15 gpm |
| Height | 9.321 |
| Inner Diameter Top | Closed |
| Media Material | Enhanced cellulose |
| Micron | 3.00 |
| Outer Diameter Top | 3.700 |
| Style | Spin-on fuel filter |
| 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.