Compatible with multiple cylinder sizes including 42mm, 47mm, 48mm, 51mm, and 65mm, this piston and ring set offers versatile use for a wide range of air compressor applications. Designed for dependable performance, it ensures consistent air pressure and efficient compression to keep your equipment operating smoothly. This set serves as a direct replacement for various air pump models requiring cylinder maintenance, allowing for quick and straightforward repairs without complicated modifications. Each component is precisely engineered for proper fit, enabling smooth operation and reducing wear on your compressor system. Key benefits: Wide compatibility across several common cylinder sizes quality construction for reliable longterm operation Easy installation for minimal downtime during maintenance Designed to maintain consistent air pressure and compression efficiency Ideal use scenarios: 1. Replacing worn pistons and rings in workshop air compressors to restore performance. 2. Maintaining portable air pump units in construction or agricultural settings. 3. Upgrading existing compressor systems for improved reliability in industrial processes. Manufactured for durability and precision, this piston and ring set is a practical solution for repairing or upgrading your air compressor, helping ensure uninterrupted performance in both professional and home environments.