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Wix 33121 Fuel Filter - Primary
Reliable Fuel Filtration for Your Vehicle
The Wix 33121 fuel filter is designed to provide consistent fuel filtration performance for a variety of vehicles. Engineered with enhanced cellulose media, this spin-on fuel filter helps maintain clean fuel flow and protects your engine from contaminants.
- Burst pressure rating of 245 psi for durability under demanding conditions
- Heavy-duty (Hd) duty type suitable for rigorous fuel system requirements
- Flow rate of 12 gallons per minute (gpm) to support efficient fuel delivery
- 30 micron filtration rating to effectively trap fuel impurities
- Spin-on style with 1-12 thread size for straightforward installation
- Compact dimensions: 5.189 inches height and 3.670 inches outer diameter
- Enhanced cellulose media for improved contaminant retention
Detailed Product Overview
The Wix 33121 fuel filter features a spin-on design that simplifies replacement and maintenance. Its enhanced cellulose media provides reliable filtration by capturing particles down to 30 microns, helping to prevent fuel system damage and maintain engine performance. With a burst pressure of 245 psi and a heavy-duty classification, this filter is built to withstand high-pressure fuel systems commonly found in trucks and SUVs. The 12 gpm flow rate ensures adequate fuel supply for engines requiring steady and clean fuel delivery. The closed inner diameter top and 1-12 thread size make it compatible with specific vehicle fuel systems, ensuring a secure fit and leak-free operation.
Compatible Vehicles and Applications
This Wix 33121 fuel filter is compatible with a range of vehicles requiring a spin-on fuel filter with a 1-12 thread size and 30 micron filtration. It is commonly used in various Ford, Chevrolet, and Dodge models that demand heavy-duty fuel filtration solutions. Always verify fitment with your vehicle’s specifications before purchase.
- Prevents fuel contamination that can cause engine misfires or poor performance
- Reduces risk of clogged fuel injectors and fuel pump damage
- Helps maintain optimal fuel flow and engine efficiency
- Protects against premature wear of fuel system components
- Supports compliance with manufacturer fuel system requirements
Installation Notes and Tips
When installing the Wix 33121 fuel filter, ensure the engine is cool and relieve fuel system pressure before removal. The spin-on design allows for easy replacement; hand-tighten the filter to the specified torque to avoid leaks. Inspect the sealing surface and replace any damaged gaskets or O-rings. Proper installation helps maintain fuel system integrity and filter performance.
Quality Assurance and Warranty
Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33121 fuel filter undergoes rigorous testing to ensure consistent performance under heavy-duty conditions. While specific warranty details are not provided here, Wix typically offers warranties covering defects in materials and workmanship. Consult Wix documentation or your supplier for exact warranty terms.
| Brand | Wix |
| Part Number | 33121 |
| Burst Pressure | 245 |
| Class | Hc |
| Duty Type | Hd |
| Flow Rate | 12 gpm |
| Height | 5.189 |
| Inner Diameter Top | Closed |
| Media Material | Enhanced cellulose |
| Micron | 30.00 |
| Outer Diameter Top | 3.670 |
| Style | Spin-on fuel filter |
| Thread Size | 1-12 |
This part fits 0 vehicles. Search below:
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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.