Engine air filters are an important part of your vehicle, protecting the engine from dirt and debris and delivering the clean air it needs to run at maximum performance. SuperTech air filters are tested per ISO 5011 international test procedures to meet or surpass your vehicle's filter requirements. Our innovative technology and manufacturing give SuperTech air filters superior performance and features. Going too long without replacing your car's engine air filter can cause problems such as reduced acceleration and performance. Care for your car with a replacement air filter from SuperTech. It's easy to remove and replace in minutes, for some simple do-it-your self car maintenance. SuperTech air filters are guaranteed to fit, and keep your engine breathing clean air for up to 3 years or 30,000 miles. High efficiency and high air flow rates Resin-impregnated filtration media for high efficiency High air flow rates and verified sealing surfaces Optimized contaminant holding capacity Temperature tested from extreme -40° cold weather to 250°F under hood conditions Documented field testing for long use life Replacement engine air filter for: Infiniti (1990-2008, 2013-14) Datsun/Nissan (1981-84, 87-14) Subaru (1990-99, 2001-08) Equivalent filter size to: FRAM CA4309 K&N 33-2075 STP SA4309 Actual filter size: 11.04 x 6.61 inches Filters air through your engine for up to 3 years or 30,000 miles Installs easily in minutes, with a guaranteed fit How to Tell if you Need a New Air Filter The easiest way to know is to check the coloration of the filter. A new air filter should be white or off-white. Be sure to check your filter in the light of day or with a flashlight, so you can more easily see dust, pollen, and other particles. If you need a replacement air filter for your vehicle, look no further than the SuperTech Engine Air Filter.
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