Hebei Shida Seal Group specializes in the design and manufacture of silicone radiator hoses, coolant hoses and heater hoses for a wide range of industries. All products and tooling is produced in our internal facility accredited to IATF 16949 with full engineering, testing and CAD capability.

Silicone heater hose is used for the high demands of the engine compartment of automobiles & large diesel trucks to off road heavy equipment and power generators! Our silicone heater hoses meet or exceed the requirements of the SAE J20 R3 Class A specification.

Description

  • Silicone Coolant / Heater Hose SAE J20R1 Class A
  • Tube: silicone
  • Reinforcement: Multiple high temperature textile plies
  • Cover: silicone

Technical Specification

  • Color: Black, Blue, Red and Clear
  • Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C)
  • Sizes Available: 1/8″ (3mm), 5/32″ (4mm), 1/4″ (6mm), 5/16″ (8mm), 3/8″ (9.5mm), 1/2″ (13mm) , 5/8″ (16mm) , 3/4″ (19mm) , 7/8″ (22mm) , 1″ (25mm)
  • Length: Sold per feet.

2026.2 High Temperature 16mm Silicone Heater Hose China ManufacturersFeatures

  • Made of Premium grade Reinforced Silicone
  • Heavy wall design gives it the ability to handle extreme pressure
  • Ultra flexible & Excellent tensile strength
  • Resistant to a wide range of temperatures
  • Resistant to hardening, cracking, ozone attack, sunlight
  • Resistant to moisture, steam, dust, aging, various pressure ranges
  • Resistant to many chemicals
  • Retains flexibility in hostile engine environments
  • Excellent electrical insulating properties
  • Longer life than EPDM (Black Rubber)

Applications

Coolant transfer in heater and coolant circuits; automobiles, buses, mobile/off-road equipment, trucks; other equipment or vehicles with heating lines

Silicone heater hose meet or exceed the requirements of the SAE J20 R3 Class A specification. The silicone hoses are reinforced with 1-ply polyester fabric. Replace your old stock oem hose with these silicone heater hoses which are resistant to coolant solutions, cold leaks, cracking, peeling, aging and ozone.

2026.2 China 19mm Silicone Heater Hoses SAE J20R1 Manufacturers