Sunan Ibn Majah 483
سنن ابن ماجه#483SahihQais bin Talq Al-Hanafi narrated that his father said:"I heard the Messenger of Allah being asked about touching the penis. He said: 'That does not require ablution, because it is a part of you (your body)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih
In-book reference: 1:217