Help reduce allergens and keep the air clean inside your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax with a new Cabin Air Filter. The cabin air filter is easily accessed in most vehicles through the interior, or underneath the hood. Cabin Filters are installed in the vehicle HVAC system and help remove dirt, pollen, and dust before they are circulated throughout the passenger cabin Found on many newer vehicles, these filters should be replaced regularly to avoid allergen and debris buildup, and to also ensure there is no extra restriction in the HVAC system. Shop today at XDP to ensure that you get a new cabin air filter to keep your vehicle HVAC system is operating properly.