The 4r70w-4r75w Shifting Solenoid is a genuine Rostra Precision Controls product designed specifically for automatic transmissions. This shift solenoid comes with the solenoid included and is identified by the manufacturer part number D76431. It is not a vintage part and does not offer universal fitment or performance enhancements. Ideal for car and truck owners seeking reliable transmission components, this shifting solenoid is a crucial component for maintaining smooth and efficient gear shifts.