Features: Precisely engineered TR690 TR580 torquing Converter Lock Up Solenoid ensures smooth gear by accurately controlling gripping engagement, minimizing shifting shock for enhanced driving comfort in automatic transmissions. Built with a durably metal plastic composite, this AWD solenoid resists wear and corrosive, outperforming conventional materials to deliver extended service life under demanding conditions. Ideal for enthusiasts and daily commuters seeking reliability transmission performing, it supports maintenance for prioritizing vehicle longevity and operational efficiency. Optimized heat dissipation design maintains stable functionality during highway cruising, heavy towing, or stop and go urbanization, ensuring consistent performing across diverse driving environments. Direct fit compatibility with multiple automatic transmission systems allows seamless integration into various makes and models, backed by tool freely installation features that simplify upgrades for torquing converter lock up solenoids. Specifications: Matter: ABS+Metal Size: about 5 cm Suitable for TR580/TR690 Purpose: Transmission Part number: 31825-AA050, 31825-AA051, 31825-AA052, 31706-AA030, 31706-AA031, 31706-AA032, 31706-AA033 Package Includes: TR690 TR580 torquing converter locking solenoid× 1 note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.