MotoRad Radiator Cap Adapter for 1977-1978 BMW 630CSi 3.0L L6 - Engine uf

Gates Radiator Cap Tester Adapter for 1971-1974 BMW 3.0S 3.0L L6 - Tools ly

Gates Radiator Cap Tester Adapter for 1955 Studebaker Champion 3.0L L6 - tg

Gates Radiator Cap Tester Adapter for 1978-1984 BMW 633CSi 3.2L L6 - Tools hl

Gates Radiator Cap Tester Adapter for 1975-1978 GMC P15 4.8L L6 - Tools xe

Gates Radiator Cap Tester Adapter for 1990-1993 Mercedes-Benz 300SL 3.0L L6 rf

Gates Radiator Cap Tester Adapter for 1975-1978 BMW 530i 3.0L L6 - Tools ne

Gates Radiator Cap Tester Adapter for 1962-1965 Jeep 6-230 3.8L L6 - Tools dn