The SAE J20R1 Blue Silicone Radiator Hose (4") is a heavy-duty coolant and radiator hose designed for turbo-diesel systems, radiator lines, and general coolant routing where durability and pressure handling matter. Built to the SAE J20R1 standard, it supports 42 PSI max working pressure with a minimum burst pressure of 125 PSI, and is available by the foot or in a 3-foot length for flexible ordering.
Country of Origin
Varies by production batch
Key Features / Specifications
Ideal For