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Rectangular white PurolatorONE air filter with pleated media and orange frame

Purolator

Purolator A11479 PurolatorONE Advanced Air Filter

SKU CH-3MX9-RW5X1

Advanced air filter traps 99% of contaminants to protect engines and can boost acceleration by 11% per a U.S. DOE study

  • Traps 99% of dirt and debris protecting engine
  • Improves acceleration up to 11% per US DOE study
  • Recommended replacement every 12 months or 12,000 miles
  • Helps prevent engine wear and maintain peak performance
  • Improves fuel efficiency with regular filter changes

Engine Air Filter for Passenger Cars

The Purolator A11479 PurolatorONE Advanced Air Filter is a replacement engine air filter designed for most passenger cars and light trucks on the road today. It traps up to 99% of dirt, dust, soot and other debris to help protect the engine from damage. Regular replacement keeps the engine running at peak performance.

Check Vehicle Compatibility and Replacement Interval

Verify that the A11479 part number matches the filter specified for your exact vehicle before ordering. The manufacturer highlights replacing the air filter every 12 months or 12,000 miles for optimal results. Inspect the current filter housing for damage or debris that could affect the seal of the new filter.

Sustained Filtration Efficiency Over Service Life

Under continuous driving conditions the filter media maintains its ability to trap up to 99% of contaminants throughout the recommended service interval. This consistent airflow protection helps prevent engine wear and supports stable fuel efficiency. A U.S. DOE study notes a new filter can improve acceleration by up to 11% compared to a clogged unit.

Highlights

  • Traps 99% of dirt and debris protecting engine
  • Improves acceleration up to 11% per US DOE study
  • Recommended replacement every 12 months or 12,000 miles
  • Helps prevent engine wear and maintain peak performance
  • Improves fuel efficiency with regular filter changes

Specifications

BrandPUROLATOR

Questions about this item

Does the PurolatorONE Advanced Air Filter A11479 come with any installation hardware or do I need to buy clips separately?

The filter is a direct replacement unit; no extra clips, gaskets or tools are supplied or required for installation.

How do I know the A11479 is the correct version for my vehicle instead of another PurolatorONE capacity?

Match the A11479 part number to your owner’s manual or the old filter’s label — each PurolatorONE reference fits a specific engine application.

What does the 99% dirt-trap figure mean for my engine once the filter is fitted?

It means up to 99% of incoming dust, soot and debris are captured, helping protect the engine and supporting the 11% acceleration improvement noted in the U.S. DOE study.

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