Same happened to me although I have the 22 elantra
https://slime.com/products/tpms-tire-valve-caps
https://www.amazon.com/Workhorse-Automotive-Replacement-Black-Valve/dp/B092W82NVY/ref=mp_s_a_1_5?keywords=long+valve+stem+caps&qid=1671714634&sr=8-5