Modern public transport places unprecedented demands on each and every one of a vehicle’s components. Grayson’s silicone hose has been designed and manufactured to operate consistently well in the most extreme environments.

All Grayson silicone hoses are made from 100% silicone. This high quality silicone provides increased pressure tolerance and longevity against high temperatures.

Polyester reinforcements are embedded into the silicone to provide maximum strength and durability during use. A unique silicone liner ensures there is no coolant loss through wicking and helps improve the life of the hose.

Our silicone hoses meet the latest automotive standards including SAE J20 R1 Class A. Our 4 Ply hose options are backed with a 2 year warranty.

We also supply superflex hoses which have been developed to easily fit onto applications that may otherwise have required a shaped hose to be supplied. Wire wound with galvanised steel to reduce weakening, superflex hoses offer a high quality, versatile, and cost effective alternative to silicone hose.

Applications for Silicone Hose
3 Ply Hose 4 Ply Heavy Duty 4 Ply GOSH Range
Applications HVAC Systems and low pressure HVAC Systems, Power Electronics and lower pressure applications HVAC systems and larger engine applications


Product Range Includes:

  • 4 Ply Heavy Duty (Only available in North America)
  • 4 Ply GOSH Range (Grayson OAT Resistant Range)
  • 3 Ply Silicone Hose (Standard)
  • Silicone Hose – Coolant and Radiator
  • Silicone Hose – Turbo Charger and Air Intake
  • Superflex Hose
  • Hose Clips
  • Hose Kits
  • Air Trunking
4 Ply Heavy Duty
4 Ply GOSH Silicone Hose
3 Ply Silicone Hose (Standard)
Silicone Superflex

How to measure Silicone Hose

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