Wix 49910 Engine Air Filter - Safety or Secondary

WIX HD Engine Air Filter 49910

The WIX 49910 is a heavy-duty round panel engine air filter built for dependable airflow control and high-efficiency contaminant capture. It uses cellulose media with a closed top and durable end-cap construction to support OEM air filter change intervals in demanding service.

Compatible With applications that use this size and style, including select vehicle fitments such as Honda Civic and Toyota Corolla where the specified dimensions match the airbox.

Key Features

• Round panel engine air filter design
• Cellulose filter media for standard engine air filtration
• Closed inner diameter top
• 1.030 in. height for low-profile airbox applications
• 9.100 in. bottom outer diameter and 10.500 in. top outer diameter
• Heavy-duty construction with corrosion-resistant end-cap materials and expanded metal support
• Laboratory-tested to ISO 5011 standards with minimum 99.9% contaminant removal, based on WIX HD filter testing

Detailed Description

WIX HD air filters are built for engines that need consistent intake protection under regular service intervals. The 49910 uses premium filtration media with pleat stabilization features where applicable, helping maintain media shape and airflow performance over time. Its round panel format and closed-top design make it a direct-size replacement for applications that call for these dimensions, including select Honda Civic and Toyota Corolla fitments.

This part cross-references Baldwin PA4701 and NAPA Gold Filters 9910 for the same application. The WIX 49910 is also listed alongside other aftermarket references such as FRAM CA10281SY and Fleetguard AF26153 in interchange data.

What It Helps Address

• Restricted engine airflow from a dirty or loaded air filter
• Dust and debris entering the intake system
• Loss of filtration efficiency during normal service intervals
• Fitment issues when replacing a round panel filter by size and style
• Premature intake contamination in heavy-duty service conditions

Installation Notes and Tips

Verify the airbox dimensions, filter height, and top/bottom outer diameters before ordering. Replace the filter according to the vehicle’s OEM service interval or sooner if operating in dusty conditions. Inspect the air cleaner housing for dirt buildup and ensure the sealing surfaces are clean before installing the new filter.

Quality Assurance

WIX HD filters are built with durable end-cap materials and reinforced construction for long service life. The 49910 is backed by WIX engineering standards and ISO 5011 laboratory testing for filtration performance.