Engine Group - 19HP Briggs & Stratton (987321)REF NO PART NO.1 *2 1732257ASM3 1936228SM4 1917356SM5 1732259SM6 1731214SM7 1960295SM8 1927557SM9 1667812SM10 1732255SM11 1667811SM12 1921977SM13 1732273SM14 1921221SM15 1727996ASM16 1960720SM17 1727817SM18 2832747SM19 1726498SM20 2830598SM21 1727816SM22 1720463SM23 1686880SM24 1708264SM25 1918199SM26 1960648SM27 1732885ASM28 1919326SM29 1733063SM30 1675044SM31 1924940SM32 1732026SM33 1933263SMZTS 7500-107.27768QTY. DESCRIPTION1 ENGINE, 19HP B&S Intex Twin, Model # 31 P877 Type # 0121-E11 SHIELD, Heat Inner2 CAPSCREW, Hex Socket Head, 5/16-18 x 3/4, G82 LOCKWASHER, Spring 5/161 PIPE, Exhaust B&S Intek1 GASKET, Exhaust B&S4 CAPSCREW, Hex Whiz Lock Flange, 1/4-20 x 5/82 NUT, Hex Flange Whiz Lock, 5/16-18 Large1 SPACER1 BRACKET, Muffler Heat Resistent1 SPACER1 CAPSCREW, Hex Head, 5/16-18x 1-1/4, G51 MUFFLER, B&S 19HP1 CAPSCREW, Hex Head, 5/16-18 x 1-1/2, G51 SHIELD, Heat 20GA4 CAPSCREW, Hex Washer Head, #10 x 1/21 CONTROL, Throttle Double 42" Long2 TIE, Self-Locking 3-5/8 Long1 HOSE, Oil Drain 16-1/2 Long3 CAPSCREW, Hex Washer Head Taptite, 3/8-16 x 1-1/21 PULLEY, 3-3/41 KEY, HI-PRO, 1/4 x 1/41 CLUTCH, # 504586, Electric, OGURA JD-111 WASHER, Special Hex1 LOCKWSHER, Spring, 7/161 CAPSCREW, Hex Head, 7/16-20 x 2-3/4, G51 SHEILD, Heat, 20GA1 WASHER, 5/161 SHEILD, Heat, 20GA1 RIVET, Pop 3/16 x .429 Long1 WASHER, 3/8 x .08 THK1 RETAINER, Clutch1 WASHER, 7/16 x 1/4 THKFootnotesNote* See Engine Repair Parts.PTS - 7