Unfortunately clean air isn't that abundant in the atmosphere anymore, and your engine uses an air filter to make sure that the air going inside it is free of contaminants. But aside from your engine, you and your passengers also need clean air while inside your ride's cabin. So to make sure that the air coming out of the air conditioning system is free of harmful contaminants, use only genuine Mopar cabin air filters.
These filters help you keep particles like pollen, dust, and sooty exhaust gases out of your interior cabin by providing an excellent filtering system. With Mopar cabin air filters, everyone in your ride will be able to breathe in clean air. Designed to ensure long service life, these air filters are made only from premium materials.
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Purchased a second-hand dodge 2011 just 3 weeks ago and inspect some parts needed to be replaced. Installed Part number 68033193AA https://www.allmoparparts.com/sku/68033193aa.html and seller said he usually change it every 1 year but I know this should be changed every 3 years. Question is why does that happen? Is there something that is broken?