1: Applicable Model: The valve cover is a replacement for Opel. Please confirm if it matches the product you want before buying to avoid unnecessary returns. 2: OE Number: The reference numbers are 93334741, 93302256, 94670482, 90411272. Please confirm if it matches the OE you need before buying to avoid unnecessary returns. 3: Engine Protection: The engine valve chamber cover is tightly covered on the engine valve, which can not only prevent the entry of foreign objects, but also prevent water, sediment and dust, protecting the engine's long-term stable operation. 4: Improved Performance: The cylinder head cover plays an important role in optimizing and improving engine performance, can effectively reduce air leakage and better sealing, thereby improving the engine's overall performance. 5: Noise and Vibration Reduction: The cylinder head cover can effectively prevent engine noise and vibrations and provide a quieter driving environment for the driver even during long-term driving. Description: This is a 1/4\" NPT 45 tire inflator valve connector. It is a solid steel chuck, precision machined for leak-free performance. It has a built-in shut-off valve and 45 degree head for easier connection. Ball-shaped tire chuck is ideal for tire inflation of various tires. It is truly a practical and useful product. Features: 1. Solid steel construction, high strength, high performance and high reliability. 2. Built-in shut-off valve, 45 degree head, for easier connection. 3. Ball-shaped tire chuck is ideal for tire inflation of various tires. 4. 1/4-inch NPT internal threads. 5. Easy assembly on valve for easy installation. Specifications: Material: Steel Color: Silver Size: 3.3 x 2 cm / 1.3\" x 0.79\" Diameter: 1.8 cm / 0.71\" Type: 1/4\" NPT Head Degree: 45 Package Weight: 33g Package Includes: 1 x Tire Inflator Compressor Valve Note: 1. Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 361. 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 Valve Cover 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary returns, thanks!