1: OE Number: The referencing OE number of this cylinder piston kit is 1127 020 1216, which is molded and designed depend on the original data. 2: Fitment: The 49mm cylinder piston kit is a replacement for STIHL MS390 MS290 MS310 029 039, please check the model of your chainsaw before ordering. 3: Advantages: Low operation noise, small expansion coefficient, good heat dissipation, powerful, low fuel consumption, with small friction surface. 4: Reliable Material: Made of die cast aluminum material, which is strong and precise, safe and durable, not easy to break, long service life. 5: Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Description: This is a 1/4" NPT 45tyre inflator valve connector. It is a solid steel chuck, precision machined for leak-free performance. It features a built-in shutoff valve and 45 degree head for easier connection. Ball foot tire chuck is ideal for tire inflation of various tires. It's really a practical and useful product. Features: 1. Solid steel construction, high strength, high performance and high reliability. 2. Built-in shutoff valve, 45 degree head, for easier connection. 3. Ball foot tire chuck is ideal for tire inflation of various tires. 4. 1/4-inch NPT female threads. 5. Easy fit to valve for easy installation. Specifications: Material: Steel Color: Silver Size: 3.3 x 2cm / 1.3" x 0.79" Diameter: 1.8cm / 0.71" Type: 1/4" NPT Head Degree: 45 Package Weight: 33g Package Included: 1 x Tire Inflator Compressor Valve Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 1247. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1 x Cylinder 1 x Piston 1 x Pin 2 x G Ring 2 x Gasket 1 x Installation Accessory 1 x Cap Please double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks