7PJ490
If your existing Belt says J490 on it and has 7 ribs wide then this will fit yours (490mm) 7 Ribs
For Lawnmowers such as Qualcast McGregor Spear and Jackson
V Ribbed Belt for Flymo 5130544-00/9 5138435-00/2 5130544-90/0 FLY056, 5045-1733-6050-1
B&Q OPP McGregor Qualcast Lawnmower Drive Belt RM37 M2EB1537M RM37 M2EB1637M MEB1434M M2EB1437M M2E1232M