If the item is found to be defective the customer may send the part back for inspection from Provenpart, if the part is considered to have a material defect Provenpart will send the customer at no charge a replacement part. Mower Deck Kit for. Lazer Z S-Series Zero-Turn Mower, 29hp Kawasaki Propane (SN: 920000 – 999999). Fits Model Number(s). KIT REPLACES THE FOLLOWING. 5/8″ x 199″ OD. PLEASE VERIFY THAT YOUR PART NUMBERS MATCH PRIOR TO ORDERING.