Bosch Throttle Bodies are manufactured on OE production lines with best-in-class quality that ensures superior performance and longevity. Exact OE fit, form, and function ensure a trouble-free installation process and restoration of your vehicles' performance. All Bosch Throttle Bodies are true Plug & Play - no flash update required after installation, making replacement simple and easy. Every Bosch Throttle Body benefits from the technological and manufacturing experience gained from decades of OE supplier experience, ensuring long-lasting, superior performance. Gasket not included. Replaces OE number 55565489