SAE J20R1 Blue Silicone Radiator Hose, 1-5/8"

SAE J20R1 Blue Silicone Radiator Hose

The RADIATOR-1-5/8 SAE J20R1 Blue Silicone Radiator Hose is a heavy-duty coolant hose built for high-demand cooling systems, including turbo-diesel applications. With a 117 PSI max working pressure and a 350 PSI minimum burst pressure, it’s made to handle tough radiator and coolant line duty while keeping your cooling system sealed up tight—because coolant belongs in the engine, not on your boots.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: RADIATOR-1-5/8
• Product Type: Silicone radiator / coolant hose
• Color: Blue
• Inside Diameter: 1-5/8"
• Standard: SAE J20R1
• Max Working Pressure: 117 PSI
• Minimum Burst Pressure: 350 PSI
• Applications: Turbo-diesel systems, radiator lines, coolant lines
• Purchase Options: Sold by the foot or in 3 ft lengths

Ideal For

• Replacing or fabricating radiator and coolant lines with a 1-5/8" ID
• Turbo-diesel cooling systems needing higher pressure-rated hose
• Custom builds where buying by the foot saves money and reduces leftovers
• Shops and fleet maintenance that want durable silicone hose for coolant service