POR-15 Fuel Tank Sealer
POR-15 Fuel Tank Sealer was Formulated for metal and developed as a high-tech sealer that is impervious to all fuels, including the diesel, DEF additives, E10 ethanol, and high alcohol content fuels. This gas tank sealant comes in a silver color and has superior strength with fuel resistance. Also, this fuel tan
4.7
119 ratings
5
4
3
2
1
One and Done
Just like every other product POR-15 offers, their Fuel Tank Sealer is well worth the money. Watch their videos and follow the instructions to the letter and your fuel tank will be sealed, clean, and trouble free for the life of the vehicle. Be sure to wear gloves and give the fuel tank plenty of time to drain and cure. I'm not one to write reviews, but all of POR-15's products are great and will give you that "one and done" quality finish.
L
Landen · October 3, 2026
I have a 60 gallon diesel tank and I decided not to put it inside the take but cleaned up the out side and I believe I have prolonged the life of my tank . I am not sure I got the inside perfectly clean and did not want to mess up my fuel system. I would use your product in the future
T
Todd · August 15, 2026
Fuel tank refurbished
POR-15 fuel tank metal prep and sealer saved my bacon the antique car I have there was no tank to be had and was it a nice process to restore thanks Por-15