Review on 🔌 Heavy Duty Electric Fuel Pump - MOSTPLUS HEP-02A - Universal Low Pressure - Gas Diesel Inline Metal Solid Petrol - 12V - Compatible with Motorcycle Carburetor ATV by Mark Bennett

I installed it on my tractor, it seems normal. But since it's winter now, I hardly ever use it. I had a storm and had no power for 3 days and used my tractor to start my PTO generator. It worked for a day, then the pump stopped pumping. There was an accidental knock at the pump and it started pumping again. I had to do this multiple times in 3 days of continuous work. How do I get a product guarantee?