Lexus SC400 compatibility inquiry for SC300 power steering pump on Lexus SC400

Some Lexus SC400 owners report experiencing compatibility issues when considering the power steering pump interchangeability with the SC300. While the SC300 pump is specifically designed to convert engine energy into hydraulic energy for steering assistance, the SC400 pump is known for its unique materials and advanced technologies, such as electronic control valves, which may not be present in the SC300. Additionally, some owners find that aftermarket parts, although potentially compatible with various vehicle makes, are not manufactured or authorized by Lexus, leading to concerns about performance and fit. Therefore, it is crucial for owners to ensure that any replacement parts are specifically designed for their model to maintain optimal performance.