This core is extremely rare and your core is required to fulfill this order. Contact us for instructions on sending your core in for Rebuild & Return.LuK style clutch.Includes: PPA, D4386359N (Transmission Disc) & D2376202R (PTO Disc)The D4341042RU 11-3/4" Dual Stage Clutch Unit - Reman fits equipment brands such as: Deutz