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STP Engine Stop Leak - 428ml

Ideal to stop oil leaks in petrol and diesel engines
Simply add the full bottle to the oil, treats 4 - 5 litres of engine oil
Petrol and diesel engine oil leaks are not only messy and dirty but they can cause catastrophic engine damage. Over time normal engine operation and heat can cause polymer seals and gaskets to shrink and crack, which then allows the oil to leak through and cause minor leaks.
STP stop leak is specially formulated to stop oil leaks by rejuvenating old dried out seal and gaskets. It will also help to fortify oil with extra protection additives and improve viscosity
Simply add STP Engine Oil Stop Leak to all types of Petrol or Diesel engines. The specially formulated fluid rejuvenates and re-conditions seals and gaskets to seal minor leaks.
Compatible with all types of motor oil including mineral, semi synthetic and fully synthetic.