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3005 Silicone Coolant Heater SAE 20R3 Class A – Automotive / Coolant Hose

Recommended for applications in the heavy-duty market, this hose features a special silicone compound that meets the SAE 20R3, Class A specifications. It is highly resistant to the deteriorating effects of oil, ozone, coolants and coolant additives. The nylon reinforcement enables this hose to be extremely flexible while resisting temperatures up to +347° (+175°C).

Technical Overview

Cover Color ■ Blue
Oil Resistance ■ High
Construction ■ Tube: Silicone
■ Cover: Silicone
■ Reinforcement: Nylon
Temperature Range ■ -67°F to +347°F, -55°C to +175°C
Packaging ■ 50 ft. in a carton


Thermoid Catalog – Silicone Heater SAE 20R3 Class A

Features & Benefits

Silicone Tube
  • High Oil Resistance
  • High Heat Resistance
  • Coolant Resistant
Silicone Cover
  • High Oil Resistance
  • High Heat Resistance
2-Ply Nylon Reinforcement
  • Provides Working Pressures from a Range of 44-63 psi, Depending on I.D.
  • Extremely Flexible
-67°F to +347°F Temperature Range
-55°C to +175°C
  • Hose Has No Problem Functioning Even in Extreme Temperatures
Meets SAE J20R3, Class A Specifications
  • Meets All Automotive and Heavy-Duty Industry Regulations