The $15 Filter That Can Cost You an Engine: How Engine Air Filters Became a $5B Category Split Between Commodity and Protection
1. Category Definition & Scope Engine Air Filters are consumable components designed to remove particulate contaminants (dust, pollen, road debris, soot) from intake air before it enters an internal combustion engine’s combustion chambers. This category serves a single, critical customer need: engine protection and performance preservation. A properly functioning air filter prevents premature wear of…