quick view Add to Cart K&N Engineering K&N 20-21 Freightliner Sprinter 3500 2.1L L4 Diesel Cabin Air Filter - VF8004 MSRP: $59.99 K&N Heavy Duty Cabin Air Filters replace your rig's stock cabin filter with a durable and reusable design that cleans and freshens incoming air. These robust cabin air filters help capture most mold, mildew, fungus, spores, bacteria, and germs... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare