New water pump. The pump is different for 2007.5-2012 and 2013-2018 engines, so choose your year. Each pump fits both pickups and cab and chassis trucks of those years. Fits the 2007.5-2018 Ram 2500/3500 pickup and 3500/4500/5500 cab and chassis 6.7L Cummins. Add-on for our remanufactured 6.7L long block; installed before shipping or shipped loose in the crate, your choice.