Wix 46573 Air Filter

WIX 46573 Engine Air Filter Overview

The WIX 46573 engine air filter is built for Chevrolet Express and GMC Savana vans that need dependable intake protection in everyday driving and demanding conditions. It uses enhanced cellulose media with a phenolic resin treatment to help resist moisture, while the polyurethane seal is engineered for temperature extremes where applicable.

With a 280 CFM rating and ISO 5011 laboratory efficiency testing at 99.5% or higher based on Wix 42389, this panel air filter is a practical OE-style replacement for fleet and daily-use vans. The WIX 46573 is a direct service part for Express and Savana applications across multiple model years.

Key Features

• Engine air filter for light-duty vehicle applications
• Enhanced cellulose media with phenolic resin treatment
• 30% more media than OES filters, per manufacturer data
• High-tear strength polyurethane seal where applicable
• 280 CFM airflow rating
• ISO 5011 laboratory efficiency testing at 99.5% or higher, based on Wix 42389
• OE replacement service interval guidance from WIX

Detailed Description

WIX part number 46573 is a panel-style engine air filter designed for Chevrolet Express 1500, Express 2500, and Express 3500 models, as well as GMC Savana 1500, Savana 2500, and Savana 3500 applications. It is sized with a 13.125-inch height, 5.4-inch outer diameter at both ends, and a closed top with a 3.32-inch inner diameter bottom. The cellulose media construction is intended to provide durable filtration performance for stop-and-go traffic, dirt roads, construction zones, short trips, and interstate use.

This part cross-references FRAM CA9269 and NAPA Gold Filters 6573 for the same application. If you are searching for a Chevrolet Express air filter or GMC Savana engine air filter, WIX 46573 is a direct-fit service option for the listed vans.

What This Air Filter Helps Address

• Restricted airflow caused by a dirty or loaded engine air filter
• Dust and debris entering the intake system
• Moisture exposure in harsh driving environments
• Reduced filtration performance during frequent stop-and-go operation
• Service replacement needs for OE-style maintenance intervals

Installation Notes and Tips

Verify the existing filter dimensions and housing style before installation. For fitment, this part is listed for 2001-2013 Chevrolet Express 1500, Express 2500, and Express 3500, plus 2001-2013 GMC Savana 1500, Savana 2500, and Savana 3500; 2014 Chevrolet Express 1500, Express 2500, and Express 3500; and 2014 GMC Savana 1500, Savana 2500, and Savana 3500, with additional 2015-2017 coverage on select Express and Savana models. Replace the filter according to the vehicle service schedule or sooner if operating in dusty conditions.

Quality Assurance

WIX states this filter is recommended for OEM air filter change intervals and has been laboratory tested to ISO 5011 standards for filtration efficiency. The design also emphasizes moisture resistance and seal durability for normal and severe driving conditions.