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

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

The RADIATOR-1-1/8 SAE J20R1 Blue Silicone Radiator Hose is a 1-1/8" coolant hose built for demanding applications like turbo-diesel systems, radiator lines, and general coolant routing. Rated for 145 PSI max working pressure and 435 PSI minimum burst, it’s designed to handle the heat and pressure of cooling systems—because nobody wants their “coolant line” turning into a “coolant sprinkler.”

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: RADIATOR-1-1/8
• Product Type: Silicone radiator/coolant hose
• Standard: SAE J20R1
• Color: Blue
• Inside Diameter: 1-1/8 in
• Max Working Pressure: 145 PSI
• Min Burst Pressure: 435 PSI
• Applications: Turbo-diesel systems, radiator lines, coolant routing (as stated)
• Purchase Options: By the foot or 3 ft length

Ideal For

• Replacing or building 1-1/8" radiator and coolant lines
• Turbo-diesel and heavy-duty cooling systems needing higher pressure capability
• Custom coolant routing where buying by the foot helps reduce waste
• Stocking 3-foot lengths for quick repairs and shop fabrication work