K&N 33-5063 High-Flow Washable Engine Air Filter

The 33-5063 is a 4-layer oiled cotton gauze panel filter that drops into the factory air box of the 2.4L K24W engine, replacing Honda OEM part 172205PHA00 (17220-5PH-A00). That cross-reference appears directly in K&N's own product-page Cross References table, not just on a third-party retailer chart. K&N states a 75,000-mile cleaning interval under normal highway driving on both its own product page and the Amazon listing; no accessible community source documented a completed multi-cycle cleaning history for this exact SKU at review time. K&N's own page cites "Up To 99% Efficiency" for this filter, but no ISO 5011 or SAE J726 test standard is named to support that figure, and no independent third-party test was found. The manufacturer markets increased horsepower and acceleration; no independent dyno test isolating this drop-in filter was found to confirm or contradict that claim.

Right pick for an owner whose vehicle uses the 2.4L K24W engine (confirmed against Honda OEM part 17220-5PH-A00) who wants to stop buying disposable filters over a long ownership horizon and is comfortable with an occasional cleaning and re-oiling step. The direct manufacturer cross-reference, backed independently by the OE part's own genuine-parts catalog page and two independent retailer confirmations, makes fitment risk low for this exact engine. Skip if your vehicle uses a different engine: other variants of the same model years use a different OEM air-filter part number, so the 33-5063 does not fit them. Also skip if you would rather wait for independent dyno and multi-cycle cleaning data to accumulate before committing to a performance filter.

Passive replacement component; no chemical exposure pathway during installation or removal, and no SDS applies. The product carries a California Proposition 65 warning on K&N's own product page (the standard automotive-component label), reflected as a small accessory health adjustment rather than a use-phase exposure hazard. The environment score of 6 reflects the washable reusable lifecycle credited for its structural waste reduction and recyclability advantage over a disposable filter, held back from the top of the reusable range because no community-confirmed multi-cycle mileage data was accessible for this specific SKU. Filter cleaning and re-oiling with a K&N Recharger kit involves a solvent cleaner and petroleum-based oil; review that product's safety data separately for PPE guidance.

Not sure this filter fits your car? Find the engine air filter for your vehicle in the CarCareTruth air-filter finder. Pick your year, make, and model and we'll show the filters that fit it, ranked by our independent score and cross-checked against multiple catalog fitment sources.