BYD F0/Shuaike 1.5L Thermostat 371QA-1306020 Quick warm-up, engine rapidly reaches operating temperature

BYD F0 (2008-2015, 1.0L 371QA engine) and ShouKe 1.5L (4A15/4A13) models: if cold start is slow or engine temperature remains low, replace thermostat (OEM 371QA-1306020, compatible with B52GB3-82, 4A13-1300080, Qufu 30206). Core function: control coolant circulation to rapidly bring engine to optimal operating temperature (about 85-95°C), improving fuel economy and reducing wear. Installation difficulty: medium; key component to ensure quick high-efficiency engine state.