Transalp RD10 right cooler

Hello, I have the following problem with the right radiator. Honda Transalp RD10 55tkm, year 2000 The hose to the overflow tank has lost its attachment and as you can see in the photos, the connection to the “stop not given. To renew the cover alone will not solve the problem. My question is therefore whether one of you has an idea, whether and how to repair it. Had so far enough train to build up with cable ties, so that the hose also at g If this is not a question, the following option is available: New purchase at Honda for “moon prices”, or a second-hand purchase in various offer pages, whereby the quality is also about 20 years old or a purchase at Aliexpress. I have had no problems with all purchases there. Maybe one of you has also had similar experiences regarding an exchange of the cooler. What would your way be ? Thank you in advance for reading and helping .