Overdrive Brake Piston

About this product

The Overdrive Brake Piston (#34622WB001), a crucial part in the Drive-Chassis/Brake No.3 and 1st & Reverse Brake (Atm) systems, plays a pivotal role in controlling the overdrive function. As the vehicle operates, this piston engages and disengages the overdrive, manipulating the transmission to provide the optimal gear ratio for fuel-efficient driving. When this part becomes old or nonfunctional, it can lead to overdrive malfunction, causing gear slippage, rough shifting, or even transmission failure. Regular replacement with a genuine Toyota Overdrive Brake Piston (#34622WB001) ensures vehicle compatibility and superior performance. Genuine parts, backed by Toyota's parts warranty, offer peace of mind for quality and durability. This piston contributes significantly to the overall efficiency of your vehicle, optimizing fuel consumption and ensuring smooth transmission operation for a safe and comfortable drive.