Genuine briggs stratton recoil pulley 499901suitable for g252 selected engines with plastic pawls.for the 450, 500 550 series 625e, 650e 675ex series engines.11.5cm in diametersuitable for the following models450 seriesmountfield hp470mountfield sp470mountfield hp180299174623 sf 299174623 m15mountfield sp180299274623 sf 299274623 m15mountfield hp183299194623 sfmountfield sp183299294623 sfmountfield s420hpmountfield s420pdmacallister mprm46hp 2012macallister mprm46sp 2012cobra m40bcobra m46bcobra s390bmurray mp450murray mx450lawn king ep414trbal ko 42b ak119324al ko 46b ak119325al ko 42br ak119284al ko mh350 ak112644apache sc42atco quattro 15500 seriesmurray mp500murray mxmh550cobra mx46bcobra rm46bcobra mx46spbcobra rm46spbhayter osprey 611a, 611bmasport 250stweibang virtue 46smweibang virtue 46shlawnflite 43spbrlawnflite 43pbral ko 430br ak119285al ko 470b ak119392macallister mprm46hp 2013macallister mprm46sp 2013550 serieshayter sp36625e seriesal ko solo 4605sp ak127128al ko mh5005r ak113256atco liner 18s 299489027 at5atco quattro 19s 4in1 294506827 at5cobra m51spbcobra mx514spbhayter harrier 41 375ahayter hayterette 005jmcculloch m53 625cmdw with 122t02 engine.mcculloch mwt420 wheeled trimmerstiga combi 50 sq b 294502828 s17stiga twinclip 50sb 294512028 s16stiga turbo power 50sbwebb elite r51 sphwwebb supreme rr19wolf garten 53 ba v hw expert650e seriesal ko highline 473vs ak119465cobra m56spbhayter motif 438hhayter motif 438jhayter motif 439hhayter motif 439jhayter harrier 41 410hhayter harrier 41 412hhayter harrier 41 413hhayter harrier 48 490hhayter harrier 48 491hhayter harrier 48 493hhayter hayterette 005hmcculloch m46 190awrexsnapper easy line espv211s675ex seriesal ko 520brve premium ak119516stiga combi 53 sqbatco liner 18seif you are unsure whether this is the correct part for your machine, please fill out our parts enquiry form here. We will then respond to confirm whether or not it is the correct part for your machine.