## ST3.9x30mm Screw for Air Filter Cover Gilera/Piaggio This high-quality ST3.9x30mm screw from Piaggio is the perfect solution for mounting the air filter cover on Gilera and Piaggio scooters. It provides a secure and durable fastening, ensuring proper filter operation and engine protection. ### Technical Specifications: * **Length:** 30mm (measured from head to thread end) * **Thread Diameter:** 3.9mm * **Screw Type:** ST (Self-Tapping) - self-drilling, facilitating installation * **Thread Type:** Wide, ideal for fastening in plastic elements * **Head Type:** Cross-head (Phillips or Pozidriv) ### Product Benefits: * **Durability:** Made of durable materials, resistant to corrosion and mechanical damage. * **Precision:** Precisely matched thread ensures stable and secure fastening. * **Easy Installation:** Self-tapping design makes installation quick and easy. * **Genuine Piaggio Part:** Guaranteed quality and compatibility. * **Essential Component:** For proper air filter operation and engine protection. The ST3.9x30mm screw is a small but crucial component that affects the proper functioning of your scooter. By choosing a genuine Piaggio product, you are investing in reliability and long service life.