Home Slickdeals Castrol GTX MAGNATEC 0W-20 Full Synthetic Motor Oil, 5 Quart $16.90 &... Slickdeals Castrol GTX MAGNATEC 0W-20 Full Synthetic Motor Oil, 5 Quart $16.90 & 5W-30 for $15.20 S&S Amazon By ARCOM - 13 December 2017 203 0 SHARE Facebook Twitter Go to the deal page: Castrol GTX MAGNATEC 0W-20 Full Synthetic Motor Oil, 5 Quart $16.90 & 5W-30 for $15.20 S&S Amazon