Transmission oil cooler lines. For use with most fuel lines, air conditioning lines, radiator and heater hoses. Oil cooler lines. Radiator cooler lines. 4 Colored Quick AC Fuel Line Quick Disconnetor 3/8", 1/2", 5/8" & 3/4" (plate size 5.8" x 4.5" x 1.3" (L W H)).
