Home Dealnews Castrol GTX Magnatec 5W-30 Full Synthetic Motor Oil 5-Quart Jug for $17... Dealnews Castrol GTX Magnatec 5W-30 Full Synthetic Motor Oil 5-Quart Jug for $17 + pickup at Walmart By ARCOM - 8 April 2020 121 0 SHARE Facebook Twitter Go to the deal page: Castrol GTX Magnatec 5W-30 Full Synthetic Motor Oil 5-Quart Jug for $17 + pickup at Walmart