Quick view Wishlist K&N PS-2006 K&N Pro Series Oil Filter PS-2006 Hummer H3 3.7L 3.5L 5 Cyl. (2007 On) TD $29.00 Quality K&N Performance Air Filter: Hummer H3 3.7L (2007 on)5 Cyl. (incl. Turbo Diesel)Hummer H3 3.5L (2007 on)5 Cyl.(incl. Turbo Diesel) Equivalent To: Z689 - WCO18 K&N's replacement air filters are designed to increase horsepower and... Add to Cart Compare