... 1,The fan belt and alternator belt is OEM for the engine and the alternator. 2,It is in good quanlity and in high promise. 1,The Beiben ... (D'LONG, O'LONG, D'YU) and SINOTRUK (HOWO, STEYR KING, GOLDEN PRINCE, HOKA )and North Benz parts2. Genuine Shananxi(D'LONG ... O'LONG D'YU) and SINOTRUK(HOWO, STEYR KING, GOLDEN PRINCE, HOKA )and North Benz parts3. OEM products4. Excellent quality ...