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MotorKote All Seal Stop Leak

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Quick Overview

MotorKote® All Seal™Stop Leak - does what it says - it stops leaks!

Use in the engine, gearbox and power steering to soften and rejuvenate seals.

MotorKote Al Seal Stop Leak

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  • MotorKote Al Seal Stop Leak

MotorKote® All Seal™Stop Leak is formulated with synthetic conditioning agents to help soften and expand most worn and dried seals, to stop leaks in engines, transmissions and power steering systems. MotorKote® All Seal™Stop Leak contains NO SOLIDS that could clog or plug filters and lines. Safe and compatible with mineral and synthetic fluids, as well as, all types/grades of motor oil.


  • Engine 
  • Power Steering 
  • Transmission 
  • Differentials
  • Crankshaft Main Seals 
  • Rack & Pinion 


  • Shake before using.
  • With the engine off, add a full 236ml/8oz bottle of MotorKote® All Seal™Stop Leak to the fluid reservoir, crankcase or oil sump (up to 6L capacity).
  • In bigger systems, add one 236ml/8oz bottle for every 6 litres of oil/fluid. 
  • For power steering systems remove 236ml/8oz of fluid before installing. 
  • For smaller capacity systems use 1/3 bottle. 

* Avoid contact with painted surfaces, skin or eyes.


Normally use Nulon, Wynns, Bars or Penrite engine stop leaks? Give MotorKote All Seal Stop Leak a try - it works!

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