Feature 1, Made of high grade aluminum alloy, high temperature and corrosion resistance, very durable. 2, It is designed to maximize the resistance to breakage, very practical. 3, Adopted materials that meet strict OEM requirements, high reliability. 4, Replacing OE number for reference: 11537541992, 11537544638. 5, Original standard, a direct replacement for your old or broken one. Features: Made of high grade aluminum alloy, high temperature and corrosion resistance, very durable. It is designed to maximize the resistance to breakage, very practical. Adopted materials that meet strict OEM requirements, high reliability. Replacing OE number for reference: 11537541992, 11537544638. Original standard, a direct replacement for your old or broken one. Reliable to use, especially designed fit for 335i. Specification: Condition: 100% New Material: Aluminum alloy Color: Black / Red / Silver / Blue (Optional) OEM: 11537541992, 11537544638 Circle Diameter: 3.3cm / 1.3in, Thickness: 1cm / 0.4in Height: 4.3cm / 1.7in Width: 5.3cm / 2.1in Large Diameter: 3.4cm / 1.3in Small Diameter: 2.7cm / 1.1in Package Weight: Approx. 103g / 3.6oz Fitment: for 335i Package Included: 1 * Water Hose Fitting Replacement 1 * Circle Note: 1. This is a high quality aftermarket product but not genuine. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.