Red -12 AN Y [AN Male to Male Flare Y-Block Adapter] Oil/Fuel AN Fitting HTSR-300-350-L4-BLK it is compatible with water

it is compatible with water and anti-freeze such as coolant

OD: 1-7/8" (48mm)

Race proven design ensure the long lasting quality over the stock rubber hoses

and 2006-2010 Jeep Commander XK 5

HPS 2" - 3" (51mm - 76mm)

Red -12 AN Y [AN Male to Male Flare Y-Block Adapter] Oil/Fuel AN Fitting HTSR-300-350-L4-BLK it is compatible with waterThe AN thread is a type of fitting that is used to connect flexible hoses and rigid metal tubing that supplies fluid. It gained popularity in professional racing due to the ease with which new lines could be easily customized. Its use spread to the aftermarket automotive performance field due to its ease of adaptability, upgradability, and durability.