OEM Part #(s)512046000A USED rear engine bracket from a 1991 Skidoo Snowmobile FORMULA MACH 1 - check our fitments for more units this item will fit. We also sell new aftermarket parts - send us a parts request for a quote.Fitment Snowmobile 1991 Ski Doo FORMULA MACH I 1991 Ski Doo FORMULA MACH I X 1991 Ski Doo FORMULA MACH XTC 1991 Ski Doo FORMULA PLUS 1991 Ski Doo FORMULA PLUS E 1991 Ski Doo FORMULA PLUS MX 1991 Ski Doo FORMULA PLUS MX X 1991 Ski Doo FORMULA PLUS X 1991 Ski Doo FORMULA PLUS XTC 1992 Ski Doo FORMULA MACH I 1992 Ski Doo FORMULA MX 1992 Ski Doo FORMULA PLUS 1992 Ski Doo FORMULA PLUS E 1992 Ski Doo FORMULA PLUS X 1992 Ski Doo FORMULA PLUS XTC 1992 Ski Doo FORMULA PLUS XTC E 1992 Ski Doo FORMULA XTC 1992 Ski Doo FORMULA XTC II 1992 Ski Doo FORMULA XTC R 1993 Ski Doo FORMULA MACH I 1993 Ski Doo FORMULA MACH I 2 1993 Ski Doo FORMULA MACH I XTC 1993 Ski Doo FORMULA MX 1993 Ski Doo FORMULA MX 2 1993 Ski Doo FORMULA PLUS 1993 Ski Doo FORMULA PLUS 2 1993 Ski Doo FORMULA PLUS E 1993 Ski Doo FORMULA PLUS EFI 1993 Ski Doo FORMULA PLUS X 1993 Ski Doo FORMULA PLUS XTC 1993 Ski Doo FORMULA XTC R 1993 Ski Doo GRAND TOURING 1994 Ski Doo GRAND TOURING 1994 Ski Doo GRAND TOURING SE 1994 Ski Doo GRAND TOURING XTC 1994 Ski Doo MACH I