5-Qt Pennzoil Platinum Plus Full Synthetic Motor Oil $23 at Walmart $23 $37 Walmart has the 5-Qt Pennzoil Platinum Plus Full Synthetic Motor Oil (several weight options) on sale for $23.37 with free shipping with Walmart+ (30-day trial) or on $35+. $23 retail: $37 Price History See Price History Posted by Faraday04/18/2026 at 08:41 AM PT
5.25oz STP High Mileage Fuel Injector Cleaner and Carburetor Cleaner $2.88 at Walmart $2.88 $4.99 Walmart has the 5.25oz STP High Mileage Fuel Injector Cleaner and Carburetor Cleaner on sale for $2.88 with free shipping with Walmart+ (30-day trial) or on $35+. $2.88 retail: $4.99 Price History See Price History Posted by Faraday04/19/2026 at 11:06 AM PT