1、Part Number: Octovalve coolant bottle replace part number is 1613703 00 B for reference. Please double check the part number of your item to ensure perfect fit. 2、Vehicle Fitment: Specifically designed replacement for Tesla Model 3 Y 2021‑2023, please confirm whether your model is applicable before buying. 3、Optimal Cooling Performance: The coolant bottle design ensures efficient coolant flow, helping to keep your vehicle's engine at the ideal temperature for optimal performance and longevity. 4、Durable Construction: Made from high grade ABS materials, this coolant bottle is designed to withstand the demands of your car, which can resist daily wear and tear. 5、Easy Installation: With its direct replacement design, this coolant bottle can be easily installed without the need for any modifications or additional parts.