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

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

The RADIATOR-3-1/4 SAE J20R1 Blue Silicone Radiator Hose is a heavy-duty coolant hose designed for radiator lines and turbo-diesel cooling systems, providing dependable heat and pressure handling for demanding engine applications. Rated for 58 PSI max working pressure with a 175 PSI minimum burst pressure, this 3-1/4" ID blue silicone hose is ideal for custom-length replacements or repairs, available by the foot or in a 3-foot length.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: RADIATOR-3-1/4
• Product Type: Silicone radiator / coolant hose
• Standard: SAE J20R1
• Inside Diameter (I.D.): 3-1/4"
• Color: Blue
• Max Working Pressure: 58 PSI
• Minimum Burst Pressure: 175 PSI
• Applications: Turbo-diesel systems, radiator lines, coolant routing
• Purchase Options: Sold by the foot or 3 ft length

Ideal For

• Custom coolant plumbing where you need 3-1/4" ID hose cut to length
• Replacing radiator hoses on turbo-diesel and heavy-duty engine systems
• Cooling system repairs requiring verified pressure-rated hose (58 PSI working / 175 PSI burst)
• Fabrication and maintenance work where blue silicone hose is preferred for durability and appearance