47-56 Wiper Motor Vacuum Hose through Firewall Grommet, 1" OD / 1/2" ID, 1 Hole, 3/4" Opening

47-56 Wiper Motor Vacuum Hose through Firewall Grommet 1" OD / 1/2" ID, 1 Hole, Fits 3/4" Sheet Metal Opening Replaces GM #371186 / DK #834 Grommet Also Fits; 1941-46 Chevrolet / GMC Truck (Hom Wire/ Fits Through Steering Column) 1947-55 1st Series Chevrolet/ GMC Truck (Headlight Wiring / Fits in Inner Fenders 1947-55 1st Series Chevrolet / GMC Truck (Tail Light Extension Wiring / Fits in Body Side Inner Panel) 1947-56 Chevrolet/ GMC Truck (Vacuum Wiper Motor Suction Pipe / Fits in Dash) 1960-62 Chevrolet/ GMC Truck (License Lamp Wire / Fits Through Body) 1938-52 Chevrolet Full Size Passenger Car (Vacuum Wiper Motor Suction Pipe / Fits in Dash) 1949-54 Chevrolet Ful Size Passenger Car (Vent Cables / Fits in Firewall Brace) 1959-60 Chevrolet Full Size Passenger Car (Misc./ Fits in Sheet Metal)