2023 Used Automatic Gasoline BESTUNE B70 Transmission Control Unit Excellent Performance: This actuator can withstand high temperatures, ensuring reliable operation. Function of the Transmission Control Unit: This transmission control unit is an essential part of the smooth gear shifting in the BESTUNE B70. Compatible Models: BESTUNE B70 2021-2024 Models: This control unit is specifically designed for and fully compatible with BESTUNE B70 models from 2021 to 2024. Replacement Transmission Actuator for BESTUNE B70 | Original Quality: This transmission actuator is an original manufacturer replacement part, ensuring direct installation and superior performance. Part Number 1504400-BA02: Part number 1504400-BA02 signifies a robust and durable design, built for long-term use.