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1999-2007 GMC Sierra Denali Engine Air Filter Check

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Video Description

The engine air filter in your 2003 GMC Sierra Denali cleans the air that enters your engine. Checking and replacing the air cleaner in your 2003 Sierra Denali at least once a year will help you get better gas mileage. A dirty air filter will cause your Sierra Denali to lose 1 - 3 mpg; depending on your driving, you can improve your fuel economy and save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your Sierra Denali and how to check it!

In addition to improving the fuel economy of your Sierra Denali, replacing your air filter will improve the performance of your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several air filters for your 2003 Sierra Denali so you can easily replace it with a new one if it is dirty.)

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