These fittings were designed to connect to water outlets on the engine, to be able to install AC 134 rubber hose and ends or Stainless Braided A/C hose and Ends to match the Air Conditioning system.

P/N       15000    -10 O'ring to 3/8" NPT male
P/N       15010    -10 O'ring to 1/2" NPT male