Home Slickdeals Walmart: Pennzoil Platinum Full Synthetic 0W-20 or 5W-30 Motor Oil (5-Quart, Single-Pack)... Slickdeals Walmart: Pennzoil Platinum Full Synthetic 0W-20 or 5W-30 Motor Oil (5-Quart, Single-Pack) $20 $19.65 By ARCOM - 8 April 2022 45 0 SHARE Facebook Twitter Go to the deal page: Walmart: Pennzoil Platinum Full Synthetic 0W-20 or 5W-30 Motor Oil (5-Quart, Single-Pack) $20 $19.65