This transmission pressure switch is designed for use with DPO and AL4 automatic gearboxes.It serves as a direct functional replacement to restore system.The part corresponds to reference number 252927.This component is compatible with various vehicle models including 206, 207, 307, 308, 407, 806, C3, C4, C5, C8, Evasion, DS3, II, III, Laguna II, II, and Scenic II equipped with 1.4, 1.6, 1.8, 1.9 dCi, or 2.0 16V engines within specified production years ranging from 1998 to 2013.Installation allows the transmission control unit to accurately monitor hydraulic pressure.This item fits vehicles requiring part number 252927 for gearbox pressure sensing applications.