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Wix 33377 Fuel Filter
Reliable Fuel Filtration for Your Vehicle
The Wix 33377 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 for easy installation
- Enhanced cellulose media with 5 micron filtration
- Flow rate of 12 gallons per minute (gpm)
- Burst pressure rated at 250 psi for durability
- Thread size 7/8-14 for secure fitment
- Height of 7.007 inches and outer diameter of 3.713 inches
- Class Hb and heavy-duty (Hd) duty type for demanding conditions
Technical Details and Performance
The Wix 33377 fuel filter features a 5 micron rating, which effectively captures fine particles and contaminants from fuel before they reach the engine. Its enhanced cellulose media ensures efficient filtration while maintaining a high flow rate of 12 gpm, supporting optimal engine performance. The spin-on design simplifies replacement, and the 7/8-14 thread size ensures compatibility with many fuel systems. Rated for a burst pressure of 250 psi, this filter is built to withstand heavy-duty operating conditions, making it suitable for vehicles requiring robust fuel delivery components.
Applications and Problem Solving
This fuel filter is compatible with various makes and models that require a 7/8-14 threaded spin-on filter with a 5 micron rating. It is commonly used in automotive and light truck fuel systems to address issues such as:
- Fuel system contamination from dirt and debris
- Reduced engine performance due to clogged fuel filters
- Fuel injector damage caused by particulate matter
- Irregular fuel flow affecting engine efficiency
- Premature wear of fuel system components
Installation Notes and Tips
When installing the Wix 33377 fuel filter, ensure the engine is off and cooled down. Verify the thread size and filter style match your vehicle’s specifications. Hand-tighten the spin-on filter until the gasket contacts the mounting surface, then tighten according to manufacturer torque recommendations. Check for leaks after installation and replace the filter at regular service intervals to maintain fuel system health.
Quality Assurance and Warranty
Wix fuel filters are manufactured to meet industry standards for filtration efficiency and durability. The 33377 model undergoes rigorous quality control to ensure consistent performance under heavy-duty conditions. While specific warranty details are not provided here, Wix products typically come with a limited warranty against defects in materials and workmanship. Consult Wix or your parts supplier for exact warranty terms.
| Brand | Wix |
| Part Number | 33377 |
| Burst Pressure | 250 |
| Class | Hb |
| Duty Type | Hd |
| Flow Rate | 12 gpm |
| Height | 7.007 |
| Inner Diameter Top | Closed |
| Media Material | Enhanced cellulose |
| Micron | 5.00 |
| Outer Diameter Top | 3.713 |
| Style | Spin-on fuel filter |
| Thread Size | 7/8-14 |
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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.