31825AA050 TR580 / TR690 Transmission Torque Converter Lock-Up Solenoid For The 31825AA050 TR580 / TR690 Transmission Torque Converter Lock-Up Solenoid is designed as a direct replacement for compatible transmission systems.It meets specifications and ensures within the designated performance range.The solenoid features a 3 dB bandwidth of 31825AA050, contributing to smooth engagement and consistent transmission functionality.This lock-up solenoid is engineered for compatibility with various vehicle models and fits transmission models TR580 and TR690.Its design supports straightforward installation, allowing for efficient servicing and restoration of transmission performance without specialized tools or professional assistance.Built to endure standard operating conditions, the solenoid withstands temperatures up to 105℃ and is constructed using materials resistant to wear.It maintains stable performance under regular use, supporting and dependable in a range of driving environments.