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.Includes: PPA, R39170 (Transmission Disc) & Lever Wear Ring OEM #L42285The R68486 12-7/8" Diaphragm Clutch Unit, w/ 1-1/2" 23 Spline Hub - Reman fits equipment brands such as: John Deere