Home Slickdeals Castrol EDGE 0W-40 A3/B4 Full Synthetic Motor Oil, 5 QT $20.99 Slickdeals Castrol EDGE 0W-40 A3/B4 Full Synthetic Motor Oil, 5 QT $20.99 By ARCOM - 20 February 2018 191 0 SHARE Facebook Twitter Go to the deal page: Castrol EDGE 0W-40 A3/B4 Full Synthetic Motor Oil, 5 QT $20.99