Piston / Toyota U140 / U140e / U140f / U150 / U150e / U151 / U151e / Underdrive (oem# 34205-21010)

Underdrive Piston for Toyota U140, U150, U151 Transmissions | Toyota | Atk

Restore proper clutch apply and shift performance in your Toyota automatic transmission with this quality underdrive piston. Manufactured by Atk to meet or exceed OEM specifications, this piston is a direct replacement for the worn or damaged original in U140, U140E, U140F, U150, U150E, U151, and U151E units. With OEM reference 34205-21010, it delivers a precise fit and dependable operation for your rebuild or repair.

Key Features

• Direct replacement for OEM part number 34205-21010
• Precision-manufactured by Atk for reliable fit and function
• Restores correct underdrive clutch apply and release
• Ideal for transmission rebuilds, repairs, and preventative maintenance
• Engineered for Toyota U140, U140E, U140F, U150, U150E, U151, and U151E transmissions

Compatibility

This underdrive piston is compatible with Toyota vehicles equipped with U140, U140E, U140F, U150, U150E, U151, and U151E automatic transmissions. Please verify your transmission code and OEM part number before ordering.

Why Choose This Part?

Atk is a trusted name in transmission components, and this underdrive piston offers the durability and precise tolerances you need for a long-lasting repair. Whether you are a professional transmission shop or a dedicated DIY rebuilder, this piston helps you get the job done right the first time. Order now and get your Toyota transmission shifting smoothly again.