Wix 46139 Air Filter

Engine Air Filter for OE-Style Protection

The Wix 46139 engine air filter is built for drivers who need dependable intake filtration in everyday and severe service conditions. It is a panel-style air filter with enhanced cellulose media, sized for a direct replacement application on a wide range of GM compact and midsize vehicles.

Compatible With Chevrolet Cavalier, Pontiac Sunfire, Buick Century, Buick Riviera, and other listed applications, this filter supports clean airflow while helping protect the engine from dust and debris. The Wix 46139 is also a practical choice for stop-and-go driving, short trips, dirt roads, and interstate use.

Key Features

• Panel-style engine air filter for light-duty applications
• Enhanced cellulose media with phenolic resin treatment for added moisture resistance
• 30% more media than comparable OES filters, based on manufacturer data
• High-tear strength polyurethane seal for hot and cold temperature durability where applicable
• Laboratory-tested to ISO 5011 standards with at least 99.5% efficiency, based on Wix 42389 testing
• Airflow rating of 210 CFM
• Dimensions: 7.625 in. length, 6.06 in. width, 1.623 in. height

Detailed Description

Wix 46139 is an engine air filter designed to meet OEM-style service intervals while maintaining strong filtration performance. The cellulose media is treated to improve durability against moisture ingestion, and the panel construction is sized for direct-fit use in supported vehicles. This part number is commonly searched for Chevrolet Cavalier and Pontiac Sunfire maintenance, as well as Buick Century and Buick Riviera air filter replacement needs.

This part cross-references ACDelco A974C for the same application.

What It Helps Address

• Restricted airflow caused by a dirty or clogged air filter
• Dust and road debris entering the intake system
• Reduced filtration performance during stop-and-go driving
• Moisture-related media breakdown in demanding weather conditions
• Routine air filter service on listed Chevrolet, Pontiac, Buick, and Oldsmobile applications

Installation Notes and Tips

Verify the air box dimensions and match the filter to the vehicle application before installation. Replace the filter at the manufacturer-recommended service interval, or sooner if the vehicle is driven on dirt roads, in construction areas, or in heavy traffic. Confirm fitment for your exact year, make, and model before ordering Wix 46139.

Fits 1992-1998 Chevrolet Cavalier, N/A. Fits 1995-1998 Pontiac Sunfire, N/A. Fits 1989-1993 Buick Century, N/A. Fits 1986-1993 Buick Riviera, N/A. Fits 1989-1993 Buick Skylark, N/A. Fits 1992-1993 Chevrolet Corsica, N/A. Fits 1992-1993 Oldsmobile Achieva, N/A. Fits 1989-1993 Oldsmobile Cutlass Ciera, N/A. Fits 1989-1993 Oldsmobile Cutlass Cruiser, N/A. Fits 1989-1993 Pontiac Grand Am, N/A. Fits 1986-1992 Oldsmobile Toronado, N/A. Fits 1986-1991 Buick LeSabre, N/A. Fits 1988-1991 Buick Reatta, N/A. Fits 1990-1991 Oldsmobile Cutlass Supreme, N/A. Fits 1986-1991 Oldsmobile Delta 88, N/A. Fits 1987-1991 Pontiac Bonneville, N/A. Fits 1990-1991 Pontiac Grand Prix, N/A. Fits 1986-1990 Oldsmobile 98, N/A.

Quality Assurance

Wix states that this filter is laboratory tested to ISO 5011 standards and built for normal and severe driving conditions. The premium media construction and polyurethane sealing materials are selected to support consistent filtration performance across the listed applications.