Home Tools Prestone AF-1420 Antifreeze and Coolant Tester $2.54 Tools Prestone AF-1420 Antifreeze and Coolant Tester $2.54 By ARCOM - 17 February 2021 68 0 SHARE Facebook Twitter Go to the deal page: Prestone AF-1420 Antifreeze and Coolant Tester $2.54