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.Multiple clutch options, positively identify before ordering.The Z49011183R 11" Transmission Disc, Woven, w/ 15/16" 16 Spline Hub - Reman fits equipment brands such as: ZetorThe Z49011183R is a substitute for the following discontinued products: Z49011155N