Coated for high corrosion resistance and increased protection against the elements, the Dorman Power Steering Fluid Cooler ensures a long-lasting service life. They are quality-engineered to efficiently cool the power steering fluid that flows through it, thereby prolonging the fluid's life and helping to prevent leaks and the possibility of overheating. Vehicle model years this part fits: Hummer H2: 2003, 2004, 2005, 2006, 2007, 2008, 2009