Sunan Ibn Majah #483 · The Book of Purification and its Sunnah

Sunan Ibn MajahQais bin Talq Al-Hanafi narrated that his father said
Sunan Ibn Majah · Book 1 · The Book of Purification and its Sunnah
Sunan Ibn Majah · كتاب 1 · كتاب الطهارة وسننها
"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)
حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، حَدَّثَنَا مُحَمَّدُ بْنُ جَابِرٍ، قَالَ سَمِعْتُ قَيْسَ بْنَ طَلْقٍ الْحَنَفِيَّ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ سُئِلَ عَنْ مَسِّ الذَّكَرِ فَقَالَ ‏
"‏ لَيْسَ فِيهِ وُضُوءٌ إِنَّمَا هُوَ مِنْكَ ‏"‏ ‏.‏
Reference : Sunan Ibn Majah 483In-book reference : Book 1, Hadith 217