SAE J20R1 Blue Silicone Radiator Hose, 1-3/4"

SAE J20R1 Blue Silicone Radiator Hose, 1-3/4"

The RADIATOR-1-3/4 SAE J20R1 Blue Silicone Radiator Hose is a high-performance coolant hose designed for demanding cooling systems, including turbo-diesel applications. With a 100 PSI max working pressure and 300 PSI minimum burst pressure, it’s built for reliable coolant flow and durability in radiator and coolant line setups—because overheating is a problem you want to prevent, not diagnose.

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: RADIATOR-1-3/4
• Product Type: Silicone radiator/coolant hose
• Standard: SAE J20R1
• Color: Blue
• Inside Diameter: 1-3/4 in
• Max Working Pressure: 100 PSI
• Minimum Burst Pressure: 300 PSI
• Application: Turbo-diesel systems, radiator lines, and coolant routing
• Sold As: Purchase by the foot or as a 3 ft length

Ideal For

• Custom radiator and coolant plumbing needing 1-3/4" ID hose
• Turbo-diesel cooling systems and high-demand coolant circuits
• Replacing worn coolant hose in equipment, trucks, and performance builds
• Jobs where you want a hose that’s tough—without making installation a wrestling match