Seat for Zero Turn. Will fit some John Deere Zero Turn Mowers. Replaces AM135712, AUC11367, AM136801, AM140435 and AM136647. Fits On: Z300 Series. Up to 100,000. PLEASE CHECK YOUR MOUNTING BOLT PATTERN. Does not include John Deere sticker on back, mounting hardware or safety switch. 4-Bolt Mounts: 6″ side to side and 5″ top to bottom, measured center to center. Dimensions: W: 19″ L: 20″ H: 19-1/2.