You can find more parts for your unit using our Year-Make-Model. Or use our email contact form as we may have this part in the yard on another unit.OEM Part #(s)570127400A USED engine mount damper 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 1987 Ski Doo FORMULA MX 1987 Ski Doo FORMULA MXLT 1987 Ski Doo FORMULA PLUS 1988 Ski Doo FORMULA MX 1988 Ski Doo FORMULA MXLT 1988 Ski Doo FORMULA PLUS 1989 Ski Doo FORMULA MACH I 1989 Ski Doo FORMULA MX 1989 Ski Doo FORMULA MX LT 1989 Ski Doo FORMULA PLUS LT 1990 Ski Doo FORMULA MACH I 1990 Ski Doo FORMULA MACH I XTC 1990 Ski Doo FORMULA MX 1990 Ski Doo FORMULA MX LT 1990 Ski Doo FORMULA PLUS 1990 Ski Doo FORMULA PLUS LT 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 XTC 1992 Ski Doo FORMULA XTC E 1992 Ski Doo FORMULA XTC II 1992 Ski Doo FORMULA XTC R