Taken from Non-Ahmadi website:
The Hadith about 73 sects [Archive] - sunniforum.com
The Messenger (SalAllahu ‘alaihi wasallam) said;
إفترقت اليهود على احدى وسبعين فرقة،
In another variation, Imam Ahmad recorded that Abu Amir Abdullah bin Luhay said; "We performed Hajj with Mu`awiyah bin Abi Sufyan. When we arrived at Makkah, he stood up after praying Dhuhr and said; ‘The Messenger of Allah (SalAllahu alaihi wasallam) said;
إِنَّ أَهْلَ الْكِتَابَيْنِ افْتَرَقُوا فِي دِينِهِمْ عَلى ثِنْتَيْنِ وَسَبْعِينَ مِلَّةً، وَإِنَّ هذِهِ الْأُمَّةَ سَتَفْتَرِقُ عَلى ثَلَاثٍ وَسَبْعِينَ مِلَّةً يَعْنِي الْأَهْوَاءَ كُلُّهَا فِي النَّارِ إِلَّا وَاحِدَةً وَهِيَ الْجَمَاعَةُ وَإِنَّهُ سَيَخْرُجُ فِي أُمَّتِي أَقْوَامٌ تَجَارَى بِهِمْ تِلْكَ الْأَهْوَاءُ كَمَا يَتَجَارَى الْكَلَبُ بِصَاحِبِه، لَا يَبْقَى مِنْهُ عِرْقٌ وَلَا مَفْصِلٌ إِلَّا دَخَلَه
This hadith was also narrated by Abu Dawood (2/503), Ahmad (4/102) and al-Haakim (1/128) among others, with similar wording but with the following addition;
ثنتان وسبعون في النار. قيل: يا رسول الله
ya but
one need to be a muslim to be part of any sect… i do not believe in sects of Islam.. which is again another sect… but i do believe that Prophet Mohammad (SAAW) was the last prophet and their’ll be no prophet after Him… and if anyone makes a claim, then he is nothing more than a liar…