Wix 49959 Engine Air Filter - Primary

WIX HD Engine Air Filter 49959

The WIX 49959 is a heavy-duty engine air filter built with flame retardant cellulose media and a corrugated primary air style for dependable intake filtration. It is engineered for OEM air filter change intervals and is a strong choice for owners searching for a WIX 49959 engine air filter for commercial and heavy-duty service.

Compatible With applications that call for this size and style, including select Ford F-150 and Chevrolet Silverado air filter replacement searches, this filter is built around durable construction and high-efficiency media. The WIX 49959 also cross-references Baldwin CA5420 for the same application.

Key Features

• Part number 49959 heavy-duty engine air filter
• Flame retardant cellulose filter media
• Corrugated style primary air design
• Height: 7.996 in.
• Outer diameter bottom: 10.000 in.; outer diameter top: 12.854 in.
• Inner diameter bottom: 0.750 in.; top end closed
• Built for OEM air filter change intervals
• Laboratory-tested to ISO 5011 standards with minimum 99.9% contaminant removal, based on WIX reference testing

Detailed Description

WIX 49959 is part of the WIX HD air filter line, which uses premium filtration media, pleat stabilization features where applicable, and durable end-cap construction for long service life. The filter’s flame retardant cellulose media and expanded metal body support consistent airflow management in demanding engine air intake systems. For buyers comparing WIX 49959, this filter is a direct replacement option for applications that specify this exact size and configuration.

Searches for Ford F-150 air filter replacement, Chevrolet Silverado engine air filter, and other heavy-duty truck intake service often lead to this part number because of its dimensional profile and HD construction. The WIX 49959 is also listed as a cross-reference to Baldwin CA5420, helping simplify parts matching across brands.

What It Helps Address

• Restricted engine airflow from a loaded or dirty air filter
• Dust and debris entering the intake system
• Premature filter breakdown in heavy-duty service
• Inconsistent filtration performance during OEM service intervals
• Fitment searches for WIX 49959 and equivalent replacement part numbers

Installation Notes and Tips

Verify the filter dimensions, end style, and housing requirements before installation. Confirm the air cleaner assembly accepts a 7.996-inch tall filter with a closed top and the listed outer and inner diameters. Replace the filter at the vehicle manufacturer’s recommended service interval, or sooner in dusty operating conditions.

Quality Assurance

WIX HD air filters are built with durable materials and tested to ISO 5011 filtration standards. The manufacturer states minimum contaminant removal efficiency of 99.9% based on WIX laboratory testing references for this filter family.