There is another great mail in rebate offer for G-Oil 5W 30. You can get it 5 qts for FREE after rebate. This oil is carried at Wal-mart, and other great retailers. To submit this rebate, just print the G-Oil rebate form here and purchase 5 qts of G-Oil between 11/23 and 11/30. Then fill out the rebate form and include the completed form, original register receipt and UPCs from the bottles to submit your rebate!This post may contain affiliate links or sponsored content, read our Disclosure Policy.