You can purchase a replacement cabin air filter at a variety of locations:
* Auto parts stores: Stores like AutoZone, Advance Auto Parts, NAPA Auto Parts, and O'Reilly Auto Parts all carry them. You'll need to provide your vehicle's year, make, and model to ensure you get the correct filter.
* Dealerships: Chevrolet dealerships will also sell you a cabin air filter. Expect to pay a slightly higher price compared to auto parts stores.
* Online retailers: Amazon, eBay, and other online retailers offer a wide selection of cabin air filters. Again, make sure you specify the correct year, make, and model.
When purchasing, look for a filter that specifies it fits a 2009 Chevrolet Malibu. Some filters might be marketed as "universal fit," but it's best to stick to those specifically designed for your car for the best fit and performance.