Gaskets & O-Rings

Allison 640 / MT643 / MT650 / MT653 Automatic Transmission Gasket, Convert to Hub (except MT644/647/654) (HFL-971C paper) (29536726) (111323) 1973-1992)

Automatic Transmission Clutch inner Lip Seal (8623121) (23015880)   Allison AT540, AT542, AT543, AT545, AT1545 Fourth Clutch 1970 - 1975 Allison 640, MT643, MT644, MT647, MT650, MT653, MT654 Forward & Fourth Clutch 1972-1993

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

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

Automatic Transmission O-ring, Modulator to Case (8658110) (44369B) Allison AT540 / AT542 / AT543 / AT545 / AT1545 1970 - 2001 Allison 640 / MT643 / MT650 / MT653 1972-1993

Allison AT540 / AT542 / AT543 / AT545 / AT1545 (1970 - 2001) Automatic Transmission O-ring Filter (6771005) Allison 640 / MT643 / MT644 / MT647 / MT650 / MT653 / MT654 Automatic Transmission (1972-1993) Governor Filter O-ring (6882689)...

Automatic Transmission O-Ring (.750" OD) (6264903)Compatible with / Fits Chevrolet, GMC, Geo350, 350C Modulator & SpeedO Housing ORing 1969-1986 350, 350C Electrical Connector O-Ring 1980-1986 Fits Allison MT640 Modulator ORing 1972-UP 400, 3L80 Case...

MT640 Automatic Transmission O-Ring, Center Support (Serial # 100432 & Up) (72-Up) (101372) (6761244)

MT640 Automatic Transmission External Reseal Kit, Front Pump (72-Up) (101390 )Compatible with / Fits Allison.

Allison 640 / MT643 / MT644 / MT647 / MT650 / MT653 / MT654 Automatic Transmission Gasket, Lube Valve Adapter (6884872) (101398) 1972-1993

MT640 Automatic Transmission Gasket, Lube Valve Adapter (72-Up) (101398) (6884872)Compatible with / Fits Allison.

Automatic Transmission PTO Cover Gasket (Armstorng) (23016683) (29501161) Allison AT540, AT542, AT543, AT545, AT1545 1970-UP Allison LCT1000, LCT2000, LCT2400 2001-2015 Allison 640, MT643, MT644, MT647, MT650, MT653, MT654 1972-1993