Wix 33579 Fuel Filter

Overview of Wix 33579 Fuel Filter for Chevrolet and GMC Vehicles

The Wix 33579 fuel filter is designed to provide reliable fuel filtration for select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with a cellulose media material and a 14-micron filtration rating, this fuel filter helps maintain clean fuel flow and engine performance.

• Class A fuel filter with durable construction
• Cellulose media material for effective contaminant capture
• 14-micron filtration rating to protect fuel system components
• Height of 5.518 inches with 2.176-inch outer diameters top and bottom
• Inlet size M16 x 1.50 and 3/8-inch outlet for secure fuel line connections
• Complete in-line fuel filter style for straightforward installation

Technical Details and Specifications

The Wix 33579 fuel filter features a closed inner diameter top and is classified as a Class A filter suitable for light-duty applications. Its cellulose media material efficiently traps dirt, rust, and other fuel contaminants down to 14 microns, helping to prevent clogging and wear in fuel injectors and carburetors. The filter measures 5.518 inches in height, with consistent outer diameters of 2.176 inches at both the top and bottom ends. The inlet connection is M16 x 1.50, while the outlet is a 3/8-inch fitting, ensuring compatibility with the fuel lines on compatible vehicles.

Compatible Vehicles and Fitment

This fuel filter is compatible with a range of Chevrolet, GMC, Isuzu, and Oldsmobile models, including Chevrolet Avalanche 1500, Blazer, Silverado 1500, Suburban 1500, Tahoe, GMC Sierra 1500, Jimmy, Sonoma, Yukon, Yukon XL 1500, Isuzu Hombre, and Oldsmobile Bravada. The Wix 33579 is designed to meet the fuel filtration needs of these specific vehicles, ensuring proper fit and function.

Common Applications and Problem Solving

• Prevents fuel system contamination from dirt and rust particles
• Reduces risk of clogged fuel injectors and carburetors
• Helps maintain consistent fuel flow and engine performance
• Protects fuel pump from premature wear due to debris
• Supports emission control by ensuring clean fuel delivery

Installation Notes and Tips

When installing the Wix 33579 fuel filter, ensure the vehicle is parked on a level surface and the engine is cool. Relieve fuel system pressure before removal. Verify the inlet and outlet connections match the vehicle’s fuel lines (M16 x 1.50 inlet and 3/8-inch outlet). Install the filter in the correct fuel flow direction, typically indicated by an arrow on the filter body. Tighten fittings securely to prevent leaks but avoid over-tightening. After installation, check for leaks and proper engine operation.

Quality Assurance and Warranty

Wix fuel filters are manufactured to meet industry standards for filtration efficiency and durability. The 33579 model undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, Wix typically offers a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.