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 admin | January 16, 2020 11:39 am EST 0 Comment Costco has 2 Pack 5 QT full Synthetic Motor Oil for $24.99 after $5.00 instant off + Tax. $5.00 OFF is valid from Jan. 16 to Jan. 19. So each 5 QT costs $12.50 + tax0W205W205W30