CARDONE Auxiliary Coolant Pumps (ACPs) are brand new units featuring upgraded components over the O.E. hardware. These units have upgraded resin impregnated bearings that improve longevity and reducefriction over O.E. A more effective rubber sealant is also used to further prevent potential leaks and to promote consistent flow. All units undergo rigorous testing under varied conditions to test real-world reliability. Mounting brackets and additional hardware are also included, where necessary. With a limited lifetime warranty, CARDONE ACPs guarantee reliable performance for years to come.