1OE Number: The part number for reference is E15040501CP, 901 202PSW15, 1S9702, 12450166, and SW7123. Please confirm whether it is consistent with the OE you need before placing an order. 2Fitment: Front left seat control switch is perfect replacement for Chevy Avalanche 1500, replacement for Chevy Silverado 1500 Hd, replacement for Chevy Suburban 1500, replacement for Sierra 1500 Hd, and replacement for Escalade Esv. 3Comfort: The 8 way electric seat control switch can easily adjust the seat height, front and rear positions, tilt angle, and lumbar support, providing a comfortable driving experience. 4Easy to Operate: With the power seat control switch, the driver can quickly and easily adjust the seat position and angle without repeatedly adjusting the manual joystick. 5Easy Installation: As the electric seat adjustment switch is a perfect replacement, you can directly replace worn or damaged seat adjustment switches to save costs and match perfectly with the original car.