This dry replacement filter is designed specifically for the SDP Duramax Twin Kit. It fits 2011 - 2016 GMC/Chevrolet HD models with a 6.6L Duramax engine. Part Number: SDP - 1122.

Using this air filter is easy. First, locate the old air filter in your 2011 - 2016 GMC/Chevrolet HD with a 6.6L Duramax engine. Then, carefully remove the old filter and replace it with this SDP - 1122 filter. Make sure it's properly installed. As for maintenance, check the filter regularly. If it looks dirty or clogged, it's time to clean or replace it. Keep in mind that a clean air filter helps your engine run smoothly and efficiently.