5Ft ID 3/4 Heater Hose,Silicone Radiator Hose with 650PSI Rupture Pressure for

The YGDMD 5-foot silicone heater hose provides a flexible, heat-resistant conduit for vehicle cooling systems. Sized with a 0.74-inch inner diameter, 1.09-inch outer diameter, and 0.16-inch wall thickness, it is designed to replace worn coolant lines and route water or gas throughout your engine bay.

Built from thermal-resistant silicone, this hose remains pliable across temperatures spanning from -58 to 392 degrees Fahrenheit. This wide thermal range helps avoid the cracking and brittleness that often affect standard hoses in demanding thermal environments. Inside the silicone wall, a polyester fiber lined cord adds structural reinforcement, allowing the hose to manage a 250 PSI normal working pressure and resist bursting up to a 650 PSI rupture threshold.

Installing the hose is straightforward because it can be cut down to any necessary size. After trimming the 5-foot piece to match your old line, you pull out the original hose, slip the new silicone line over your vehicle's fittings, and verify a tight connection. A bend radius of 78 to 79.5 mm allows for smooth turns around nearby engine components without kinking.

One clear limitation is chemical compatibility. While it handles gas and water safely within cooling circuits, this hose must not be used to transport oil, as doing so can create safety hazards. Shoppers should also verify their fitting sizes beforehand to confirm that the 0.74-inch inside diameter matches their vehicle's cooling ports.

Verdict: The YGDMD silicone heater hose is a dependable replacement for vehicle owners who need a durable, cut-to-fit coolant line that withstands high pressures and severe temperatures. It is an ideal pick for automotive cooling setups that move water or gas, provided oil transport is not required.

• Length: 5 feet
• Inner Diameter (ID): 0.74 inches
• Outer Diameter (OD): 1.09 inches
• Wall Thickness: 0.16 inches
• Material: Silicone with polyester fiber lined cord reinforcement
• Temperature Range: -58 to 392 degrees Fahrenheit
• Normal Working Pressure: 250 PSI
• Rupture Pressure: 650 PSI
• Bend Radius: 78 to 79.5 mm

A great fit if you:

• Need to replace a 3/4-inch coolant line for water or gas transport.
• Operate vehicles in severe climates between -58 and 392 degrees Fahrenheit.
• Want a customizable hose that can be trimmed to exact lengths.
• Require a high-pressure line rated up to 650 PSI burst strength.

Consider something else if you:

• Need a line to transport motor oil or other oil-based fluids.
• Require a single continuous hose run longer than 5 feet.

Can I use this hose for oil lines?
No. This radiator hose is only designed for transporting water or gas in cooling systems and must not be used with oil.

What are the exact dimensions of this hose?
The hose comes in a 5-foot length with an inner diameter of 0.74 inches, an outer diameter of 1.09 inches, and a wall thickness of 0.16 inches.

What pressure ratings does this silicone hose support?
It has a standard working pressure rating of 250 PSI and a maximum rupture pressure of 650 PSI thanks to its polyester fiber reinforcement.

How do you install this replacement hose?
Cut the hose to your required length, pull out the old hose, attach the new line over the vehicle fittings, and verify that the connection is tight.