SAE J20R1 Blue Silicone Radiator Hose, 1-3/8"

SAE J20R1 Blue Silicone Radiator Hose, 1-3/8"

The RADIATOR-1-3/8 SAE J20R1 Blue Silicone Radiator Hose is a high-performance coolant hose designed for radiator and coolant line use, including turbo-diesel systems. Built to the SAE J20R1 standard with a strong pressure rating, it’s sold by the foot or in a convenient 3-foot length—so you can buy exactly what you need, not a lifetime supply of leftover hose.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: RADIATOR-1-3/8
• Product Type: Silicone radiator / coolant hose
• Standard: SAE J20R1
• Inside Diameter: 1-3/8"
• Color: Blue
• Max Working Pressure: 133 PSI
• Min Burst Pressure: 400 PSI
• Recommended Use: Turbo-diesel systems, radiator lines, coolant applications
• Purchase Options: Sold by the foot or 3-foot length

Ideal For

• Radiator and coolant line repairs needing a 1-3/8" ID hose
• Turbo-diesel cooling systems where higher performance hose is preferred
• Custom-length installs where buying by the foot saves waste
• Anyone who wants strong pressure ratings and fewer “why is it steaming?” moments