Engine Oil Stop Leak

Wynn's Engine Oil Stop Leak is an oil soluble supplement designed to stop and prevent engine oil leaks without dismantling.

  • Stops and prevents oil leaks without dismantling.
  • Revitalizes rubber and neoprene seals of crankshaft, camshaft and valve stems.
  • Compatible with all mineral, synthetic, single- and multigrade oils and suitable for regular and low SAPS applications.
  • Does not harm catalytic converters.
  • Does not influence oil quality or viscosity.


Recommended for all petrol and diesel engines of vehicles with or without turbocharger and stationary equipment which suffer from oil loss.


Add entire contents of one can to the engine oil. Run engine to circulate. Drive vehicle normally.
One can of 325 ml treats up to 6 litres of engine oil.
Allow up to 200 miles/300 km for Engine Oil Stop Leak to be fully effective.
If no improvement occurs, a mechanical deficiency is likely.
Application does not influence oil change periods.


PN 77441 – 24x325 ml – EN/FR/NL/DE/IT/ES/SV



City traffic, traffic jams and short drives lead to higher stress on today’s vehicles engine lubrication. In combination with long oil change intervals, this can lead to a premature degradation of the oil properties and loss of functionality of the engine components in the oil system.

Oil System