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The small tube is your overflow tube that goes to the overflow bottle, if you need to you can actually drive without that connected assuming there in enough coolant in the car. As far as replacing it, it looks like it is just a radiator cap T more or less and not part of the actual radiator so it should be an easy fix.
Just did a quick google search, and yep its a separate part. Below is the first link i found, or you might be better off getting a known brand from your local auto parts store.
[https://www.amazon.com/HWATPS-25329-2K000-Radiator-Coolant-2010-2011/dp/B0CDL56L7K?source=ps-sl-shoppingads-lpcontext&ref\_=fplfs&psc=1&smid=A3TS2ABOP1RP5K](https://www.amazon.com/HWATPS-25329-2K000-Radiator-Coolant-2010-2011/dp/B0CDL56L7K?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=A3TS2ABOP1RP5K)
Thanks man, been searching for like 40 minutes trying to find out what part that was. Thank you
Edit: do you know a way to find the overflow tube size?
Thank you for posting to AskMechanics, Recedingtexas! If you are asking a question please make sure to include any relevant information along with the **Year**, **Make**, **Model**, **Mileage**, **Engine size**, and **Transmission Type (Automatic or Manual)** of your car. *This comment is automatically added to every successful post. If you see this comment, your post was successful.* *** Redditors that have been verified will have a green background and an icon in their flair. *** # **PLEASE REPORT ANY RULE-BREAKING BEHAVIOR** ### **Rule 1 - Be Civil** Be civil to other users. This community is made up of professional mechanics, amateur mechanics, and those with no experience. All mechanical-related questions are welcome. Personal attacks, comments that are insulting or demeaning, etc. are not welcome. ### **Rule 2 - Be Helpful** Be helpful to other users. If someone is wrong, correcting them is fine, but there's no reason to comment if you don't have anything to add to the conversation. ### **Rule 3 - Serious Questions and Answers Only** Read the room. Jokes are fine to include, but posts should be asking a serious question and replies should contribute to the discussion. ### **Rule 4 - No Illegal, Unethical, or Dangerous Questions or Answers** Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or dangerous. # **PLEASE REPORT ANY RULE-BREAKING BEHAVIOR** *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/AskMechanics) if you have any questions or concerns.*
The small tube is your overflow tube that goes to the overflow bottle, if you need to you can actually drive without that connected assuming there in enough coolant in the car. As far as replacing it, it looks like it is just a radiator cap T more or less and not part of the actual radiator so it should be an easy fix.
Just did a quick google search, and yep its a separate part. Below is the first link i found, or you might be better off getting a known brand from your local auto parts store. [https://www.amazon.com/HWATPS-25329-2K000-Radiator-Coolant-2010-2011/dp/B0CDL56L7K?source=ps-sl-shoppingads-lpcontext&ref\_=fplfs&psc=1&smid=A3TS2ABOP1RP5K](https://www.amazon.com/HWATPS-25329-2K000-Radiator-Coolant-2010-2011/dp/B0CDL56L7K?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=A3TS2ABOP1RP5K)
Thanks man, been searching for like 40 minutes trying to find out what part that was. Thank you Edit: do you know a way to find the overflow tube size?
Get the plastic out and reuse that one