This listing is for one replacement Landpride gearbox output cap code 20-025. This output cap is a take off of a new unsold gearbox and holds the output seal which is included and puts preload on the lower bearing of the gearbox. Used on several of the Landpride mowers, this OEM cap mounts via 4 mounting bolts. Used on RC2560 and RC2572, RCR2560 and RCR2572, RC3510, RCF45180 mowers