SuperTech Engine Air Filter 3315 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. Our innovative technology gives SuperTech air filters superior performance and features, including: 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: Toyota 4-Runner (2003-09), FJ Cruiser (2007-09), Tacoma (2005-14), Tundra (2005-10) Equivalent filter size to: FRAM CA9683 K&N 33-2281 STP SA9683 Actual filter size: 13.98 x 6.6 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.