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STP Premium Air Filter PSA4309Shop All STP
- Enhanced Premium filter media technology has 2X greater dirt trapping capacity compared with standard STP air filters
- STP Premium air filters are 98% efficient in removing contamination from your engine’s air intake
- STP air filters are ISO 5011 tested to meet or exceed OEM fit and quality requirements
- Protects vital engine parts from dirt and dust
STP Air Filters protect vital engine parts by filtering out contaminants and allowing optimal flow of clean air into the engine. STP Air Filters are built with specially designed filter media to filter pollutants efficiently and effectively. Replace your air filter every 12,000 miles to keep your engine healthy.
KNOWLEDGE IS POWER
Know the difference between Air Filters and Cabin Air Filters
Air Filters clean air coming into your engine, improving performance.
Cabin Air Filters clean air coming into the vehicle by trapping allergens and pollutants.
Make sure you're replacing the correct filter when performing basic maintenance.