(1) Aftermarket Replacement Radiator Hose Heater - Lower Fits Multiple Makes & Models of Vans, Buses, Trucks, Tractors and Semi Trucks.Specs:OD: 1" (25.4mm),375 Watts,120 Volt.For the lower radiator hose.Must be submerged before heating.WARNING: Do not use on Radiator Hose which enters the engine lower than the highest point of the hose.When installing, check condition of lower hose; if hose is worn or cracked, replace before installation.Replaces Part Numbers: 14400, KAT14400, 3200001