Select Page

Bending a radiator hose is indeed possible, including silicone radiator hoses. Let’s take a look at the steps required for precise bending of a radiator hose, ensuring optimal performance and installation.

6 Steps To Bend A Silicone Radiator Hose

  1. Gather the Required Tools and Materials: Before starting the bending process, make sure you have the following tools and materials at hand:
  • Silicone radiator hose
  • Heat gun or hot water source
  • Lubricant (soapy water or silicone spray)
  • Tape measure or ruler
  • Marker or pen
  • Protective gloves
  1. Measure and Mark the Desired Bend: Using a tape measure or ruler, measure the length of hose required for your application. Mark the desired bend location on the hose using a marker or pen. Accurate measurements are crucial for achieving proper fitment and alignment.
  2. Soften the Hose: To make the silicone radiator hose flexible and easier to bend, you need to soften it. There are two common methods for softening the hose:
  • Heat Gun: Gradually apply heat to the hose using a heat gun, moving it back and forth along the marked bend area. Be careful not to overheat the hose, as excessive heat can damage it. Keep the heat gun at a safe distance and monitor the hose’s flexibility continuously.
  • Hot Water: Alternatively, you can immerse the hose in hot water for a few minutes to soften it. Ensure the water is hot but not boiling. Remove the hose from the water and proceed to the next step while it’s still hot and pliable.
  1. Bend the Hose: Gently hold the hose at both ends, applying slight pressure to the marked bend location. Gradually bend the hose to the desired angle, taking your time to avoid any kinks or sharp bends. If necessary, have an extra pair of hands to assist in holding the hose in place while bending.
  2. Maintain the Bend: To retain the desired bend shape, allow the hose to cool naturally in its bent position. This will help the silicone hose maintain its shape and prevent it from reverting to its original form. Keep the hose undisturbed until it cools completely.
  3. Test Fitment: Once the hose has cooled down, test its fitment by placing it in the designated location within your vehicle’s cooling system. Ensure the hose aligns properly with the connection points, without any obstructions or tension. Make any necessary adjustments if the fitment is not ideal.
  4. Lubricate and Install: Apply a small amount of lubricant, such as soapy water or silicone spray, to the hose ends for easier installation. Slide the hose gently onto the connection points, ensuring a snug fit without any leaks or gaps.


It is important to note that when purchasing a radiator hose, it is best to choose a size that matches your requirements. However, if the exact size is not available, you can bend the purchased radiator hose using the steps mentioned above to ensure the best performance and functionality of the customized component.

Silicone Radiator Hose Kit

Our silicone radiator hose kits are made from premium materials that are built to last, and they’re available in a variety of colors and styles to fit your individual needs.