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Montesa 4rt Silicone Radiator Hoses AS3


There are only 2 items left in stock.
There are only 3 items left in stock.

AS3 Performance silicone radiator hoses are made from strong high quality silicone with a polyester reinforcement which makes them much stronger and more durable than the standard OEM hoses and making them less vulnerable to puncture or damage even in the most extreme temperatures.


Will fit

2005-2017 Montesa Cota 4RT


  • Made from high quality pure silicone with polyester reinforcement
  • Much stronger and more durable than stock hose
  • All AS3 Performance hoses are 3 ply and 4.5mm thick
  • Smooth & larger inner diameter increases coolant flow to engine
  • Can withstand extreme temperatures from 428 degrees down to minus 60!
  • Stronger & higher capacity for coolant than stock rubber hose
  • Will not perish like rubber
  • Much stronger and less vulnerable to puncture
  • UK company with 12 month guarantee
  • The hoses in the picture are the exact hoses you will receive