Riyad as-Salihin, Book 12, Hadith 1358 (In-Book) ⓘ
Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah said, "He who sets free a Muslim slave, Allah will deliver from the fire of Hell every limb of his body in return for every limb of the slave's body, even his private parts."[Al-Bukhari and Muslim].
وعن أبي هريرة رضي الله عنه قال: قال لي رسول الله صلى الله عليه وسلم : "من أعتق رقبة مسلمة أعتق الله بكل عضو منه عضوًا منه من النار حتى فرجه بفرجه" ((متفق عليه))