Genuine briggs stratton intake gasket o ring seal 270344ssuitable for the following models450, 500, 550 series300e, 450e, 500e, 550e, 575ex series625e, 650e, 675ex series575is seriessuitable for the following models450 seriesal ko42b ak11932446b ak11932542br ak119284mh350 ak112644apachesc42atcoquattro 15cobram40bm46bs390blawn kingep414trbmacallistermprm46hp 2012mprm46sp 2012mountfield hp470sp470hp180299174623 sf 299174623 m15sp180299274623 sf 299274623 m15hp183299194623 sfsp183299294623 sfs420hps420pdmurray mp450mx450500 seriesal ko430br ak119285470b ak119392cobra mx46brm46bmx46spbrm46spblawnflite43spbr43pbrmacallistermprm46hp 2013mprm46sp 2013masport 250stmurraymp500mxmh550weibang virtue 46smvirtue 46sh550 serieshayter sp36300e seriesmasport 150stmountfieldhp185 299164623 sf 299164623 wxsp185 299264623 sf 299264623 wx450e seriesatco quattro 15 297411027 at7quattro 15s 297412027 at7liner 16 299434027 at4liner 16s 299439027 at4cobra m40spbrm40spbhayter osprey 610aspirit 41 616jspirit 41 617jspirit 41 619jmtd 46b46bsmcculloch m40 125m46 125m46 125wrstiga collector 48b 295485128 s14collector 48sb 295486128 s14multiclip 47qb 298471828 s15multiclip 47sqb 298472828 s15 multimower 48s 295486148 s16src550 rb 212501022 14webb supreme wer16hpsupreme wer16spsupreme wer18hpsupreme wer18spelite we42sp500e seriesatco quattro 16 295441027 at4quattro 16s 295442027 at4cobra m46spbmm51brm40spbt40bhayterosprey 611a, 611bmasport 350stmulcher 18snapper nx 40nx 50toro 20943webb supreme r18hwelite rr16550e seriesal ko highline 473sp ak119464gardenline gl46ak119917 ak119918 ak119919stiga combi 48b 295485028 s14combi 48sb 295486028 s14webb elite r46sphw575ex seriesal ko highline 46.7 sp ak119809cobra rm46spbrhayter harrier 41 374asnapper nx 60625e seriesal ko solo 4605sp ak127128mh5005r ak113256atco liner 18s 299489027 at5quattro 19s 4in1 294506827 at5cobra m51spbmx514spbhayter harrier 41 375ahayterette 005jmcculloch m53 625cmdw with 122t02 engine.mwt420 wheeled trimmerstiga combi 50 sq b 294502828 s17twinclip 50sb 294512028 s16turbo power 50sbwebb elite r51 sphwsupreme rr19wolf garten 53 ba v hw expert650e seriesal ko highline 473vs ak119465cobra m56spbhayter motif 438hmotif 438jmotif 439hmotif 439jharrier 41 410hharrier 41 412hharrier 41 413hharrier 48 490hharrier 48 491hharrier 48 493hhayterette 005hmcculloch m46 190awrexsnapper easy line espv211s675ex seriesal ko 520brve premium ak119516stiga combi 53 sqbatco liner 18setoro 20792575is seriescobra rm433spbihayter harrier 41 376bstiga combi 48se b 295486528 stxmulticlip 47seq b 298472528 st1