Central Pneumatic Harbor Freight 97513 Air Nail Gun Valve Seat Piston Repair If you're in the process of repairing or rebuilding your Central Pneumatic (Harbor Freight) 97513 Contractor Series air nail gun, or simply replacing the piston/cylinder seal, chances are the valve seat/piston bumper is worn out and in need of replacement. These components are made from the same material and often wear down over time. Key Features: Cost-Effective Repair: Save money by fixing your existing tool instead of purchasing an expensive replacement. This budget-friendly part can bring your air nail gun back to life without breaking the bank! Durable & Reliable: Designed to fit the Central Pneumatic 97513 Contractor Series nailer, this valve seat/piston bumper is made to last, providing reliable performance and restoring your nail gun to working condition. Easy Installation: Simply replace the worn-out valve seat/piston bumper to get your air nail gun performing like new again. Check the listed measurements or refer to the provided pictures to ensure compatibility with your tool. Perfect for Tool Enthusiasts & Professionals: This repair part is ideal for anyone looking to extend the life of their Central Pneumatic air nail gun or similar model nailers. Need a different tool repair or replacement part, or accessory? Check out our other listings or feel free to reach out!