MT640 O-Ring, Center Support

Screen, Center Support (72-Up) (101017) (23010654)

Center Support (72-Up) (101044) (23011924)

MT640 Automatic Transmission O-Ring, Oil Filter Tube (72-Up) (56363A) (6762127)Compatible with / Fits Allison.

Allison MT640 Inner Lock-Up Piston O-Ring (6770820)

Ring Kit (Complete 8 Rings) (72-Up) (101175)