Stant 12450 Cooling System Tester Adapter
WY12450 Features: -(1) 7/8" plug #12451 (A 450 1).-Fits all popular trucks with the larger diameter (2-11/16" O.D "B" size) filler neck.-Truck Radiator Adapter Set. Includes: -Includes 2 solid die-cast chrome plated cap and radiator adapters. Warranty: -Lifetime warranty does not cover abuse.