Home Slickdeals Costco Members – 2 PACK 5 QT Kirkland Full Synthetic Motor Oil... Slickdeals Costco Members – 2 PACK 5 QT Kirkland Full Synthetic Motor Oil – 0W20, 5W20 and 5W30 for $24.99 AFTER $5 OFF + TAX Shipped – Valid Jan. 16 to 19 By ARCOM - 16 January 2020 115 0 SHARE Facebook Twitter Go to the deal page: Costco Members – 2 PACK 5 QT Kirkland Full Synthetic Motor Oil – 0W20, 5W20 and 5W30 for $24.99 AFTER $5 OFF + TAX Shipped – Valid Jan. 16 to 19