Wix 33019 Fuel Filter

WIX 33019 Fuel Filter Overview

The WIX 33019 is a complete in-line fuel filter built for light-duty fuel systems that need consistent filtration and dependable flow. It is a direct-fit style fuel filter for a wide range of classic Ford, Lincoln, and Mercury applications, including Ford Mustang, Ford F-150, and Mercury Cougar models.

WIX fuel filters are engineered for normal and severe driving conditions, including stop-and-go traffic, short trips, dirt roads, construction zones, and highway use. The 33019 uses application-specific media and durable construction to support OEM-style fuel filter service intervals.

Key Features

• Complete in-line fuel filter design for light-duty applications
• Plastic mesh media material matched to the application
• 5/16 inlet and 7/8-20 outlet connections
• Closed top inner diameter with 1.000 outer diameter top
• Compact 2.183-inch height for underbody and engine bay packaging
• Compatible with a broad range of Ford, Lincoln, and Mercury fuel systems
• WIX 33019 cross-references to common aftermarket and OE-style part numbers

Detailed Description

The WIX 33019 fuel filter is built to help maintain clean fuel delivery by trapping contaminants before they reach the engine. Its complete in-line style and application-specific media make it a practical choice for classic carbureted and fuel system service where correct fitment and stable flow matter. This part is commonly used on 1967-1979 Ford Mustang, 1976-1979 Ford F-150, and 1967-1976 Mercury Cougar applications, along with other listed Ford, Lincoln, and Mercury vehicles.

This part cross-references Purolator F20235 and FRAM G3427 for the same application. The WIX 33019 part number is also referenced by MicroGard 33019 and NAPA Gold Filters 3019.

What It Helps Address

• Restricted fuel flow caused by contamination in the fuel line
• Engine hesitation related to dirty fuel filtration
• Fuel system wear from sediment and debris
• Service issues on older Ford, Lincoln, and Mercury fuel systems
• Maintenance needs for OEM-recommended fuel filter intervals

Installation Notes and Tips

Verify inlet and outlet sizing before installation: 5/16 inlet and 7/8-20 outlet. Confirm the filter orientation matches the vehicle’s fuel line routing and replace the filter at the interval specified for the vehicle or service schedule. For best results, inspect surrounding fuel lines and fittings during service, especially on older Ford Mustang, Ford F-150, and Mercury Cougar applications.

Quality Assurance

WIX builds this fuel filter with high-efficiency media selected for the fuel type and application, along with materials and construction intended to support reliable operation under varied driving conditions. The 33019 is positioned as an OEM-style service part for routine fuel system maintenance.