Diesel trucks, 90s JDM owners, and engine swap builders are struggling to find quality clutch plates. The sellers who reach them first will capture outsized profits in this $5.4 billion market.
HEPA Grade Cabin Air Filters: $4.3B Market Where Buyers Pay 40% Premiums for Quality
The cabin air filter market has evolved from a luxury feature in the 1990s to standard equipment in 76% of US vehicles (220+ million cars). Post-COVID health consciousness has accelerated demand for advanced filtration technologies. The aftermarket dominates at 77.9% of sales volume, driven by replacement cycles and growing consumer awareness of air quality benefits.