Home Automotive & Car Tech Castrol GTX MAGNATEC 5W-30 or 0W-20 Full Synthetic Motor Oil 5 Quarts... Automotive & Car Tech Castrol GTX MAGNATEC 5W-30 or 0W-20 Full Synthetic Motor Oil 5 Quarts $12.98 By ARCOM - 14 October 2020 82 0 SHARE Facebook Twitter Go to the deal page: Castrol GTX MAGNATEC 5W-30 or 0W-20 Full Synthetic Motor Oil 5 Quarts $12.98