Main Control Filter1000/2000 Series. The Allison 29539579 Control Filter is a genuine OEM replacement filter designed for use in Allison automatic transmissions. This control filter plays a critical role in maintaining smooth, reliable shifting by protecting the transmission’s control system from contamination, debris, and fluid breakdown. Proper filtration ensures consistent hydraulic pressure, protects sensitive electronic components, and extends the overall service life of the transmission.
Interchange/Alternate Part Numbers:
Donaldson P550606
