Buy OEM 1984 General Motors Part # 84449399 (84312124, 84400173). Window Regulator. SLIDING GLASS. Window Regulator - Repair or Replace A failed window regulator can cause your power window to get

Regulator. Liftgate Window. Sliding Window. Tailgate Window.
A mechanical assembly that moves the Window up and down. It can be controlled by a motor or manual crank. Mexico Built Vehicle. Power Operated.

Window Regulator

Fits Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, Silverado

SLIDING GLASS.
Window Regulator - Repair or Replace
A failed window regulator can cause your power window to get stuck, make a grinding noise, or make your window appear to be off track. Consider replacing the window regulator on your 1984 .