Select Page

Stretching rubber hose to fit can be a bit tricky, but with the right technique, you can achieve a perfect fit without damaging the hose. Whether you need to fit a rubber hose over a larger fitting or you need to extend its length, the following steps will help you stretch rubber hose to fit:

8 Ways to Stretch Rubber Hose

Soften the rubber hose

Before you start stretching the rubber hose, you need to soften it. You can do this by soaking the hose in hot water for a few minutes or heating it with a hairdryer. This will make the rubber more pliable and easier to stretch.

Use lubricant

Apply a generous amount of lubricant on the fitting or surface where you need to fit the rubber hose. This will help the hose slide over the fitting more easily and prevent any damage to the hose.

Begin stretching

Start stretching the rubber hose by pulling it gently from both ends. Work slowly and steadily, taking care not to pull too hard, which could cause the hose to tear or split. If the hose is still too tight, you can use pliers to grip the end of the hose and apply gentle pressure.

Use a hose stretcher

If you’re struggling to stretch the rubber hose by hand, you can use a hose stretcher. These devices are designed to help you stretch the hose without damaging it. Simply insert the hose into the stretcher and use the handle to stretch the hose to the desired length or width.

Cool the hose

Once you’ve stretched the rubber hose to the desired length or width, you need to cool it down. Run cold water over the hose or immerse it in cold water to help the rubber to set and maintain its new shape.

Trim the excess

After stretching and cooling the rubber hose, you may have excess material sticking out from the fitting. Use a pair of sharp scissors to trim off any excess material. This will give your connection a clean and professional look.

Test the connection

Before using the rubber hose, test the connection to ensure it is secure and leak-free. Turn on the water or air pressure and check for any leaks. If you notice any leaks, tighten the connection or redo the stretching process.

Store the hose properly

Proper storage of rubber hoses can extend their lifespan. Store your hose in a cool, dry place away from direct sunlight and any sharp objects that could puncture or damage the rubber.

By following these simple steps, you can stretch rubber hose to fit without damaging it, making it easier to connect to fittings or extend its length for your specific needs.


OrientFlex is a professional supplier and manufacturer of automotive rubber hose. Imported rubber is used to ensure the quality of products. We can also provide you with competitive EXW price. Support customized automotive hoses.

#Auto rubber hose #Custom auto rubber hose #High performance rubber hose