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Rectangular white PurolatorONE air filter with pleated media and orange frame

Purolator

Purolator A25566 PurolatorONE Advanced Air Filter

SKU CH-4W53-N8EM7

Traps 99% of dirt and debris to protect engines and improve acceleration by up to 11%

  • Traps 99% of dirt and debris for cleaner engine air
  • Helps protect engine from wear with high-efficiency filtration
  • Can improve acceleration by up to 11% per DOE study
  • Supports better fuel efficiency when replaced regularly
  • Replace every 12 months or 12,000 miles for peak performance

Product Identity

The Purolator A25566 PurolatorONE Advanced Air Filter is a replacement engine air filter designed for passenger cars and light trucks. It serves vehicle owners who want to maintain engine performance by filtering incoming air.

Practical Limits

The filter traps up to 99% of dirt, dust, soot and other debris before they reach the engine. Replacement is recommended every 12 months or 12,000 miles to sustain this level of protection and airflow.

Build and Fit

Regular changes help prevent engine wear, improve fuel efficiency and can improve acceleration by up to 11% according to a U.S. DOE study. The filter is widely available for most vehicles on the road today.

Highlights

  • Traps 99% of dirt and debris for cleaner engine air
  • Helps protect engine from wear with high-efficiency filtration
  • Can improve acceleration by up to 11% per DOE study
  • Supports better fuel efficiency when replaced regularly
  • Replace every 12 months or 12,000 miles for peak performance

Specifications

BrandPUROLATOR

Questions about this item

Which PurolatorONE Advanced Air Filter model fits my vehicle?

The A25566 is a specific part number; verify it against your owner's manual or an online fitment guide to confirm compatibility with your exact vehicle.

What does the 99% filtration figure mean for my engine?

It indicates the filter traps up to 99% of dirt, dust and soot, helping protect internal components from abrasive wear and maintaining cleaner airflow.

How does the 12-month or 12,000-mile interval affect performance?

Replacing the filter within that window helps sustain peak engine performance, can improve fuel efficiency and may increase acceleration by up to 11%.

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