600 Series Metal Clad Seal, Front Pump (3.378" OD x 2.140" ID)

Allison 640 / MT643 / MT650 / MT653 / Automatic Transmission Metal Clad Seal, Front Pump (3.363 OD) (except MT644/ 647/ 654) (6837228) (101070) 1972-1993

640 / MT643 / MT644 / MT647 / MT650 / MT653 / MT654 Automatic Transmision Metal Clad Seal, Front Pump (3.885" OD x 3.140" ID) (23016643) (101070B) 1975-1993Compatible with / Fits Allison

Allison 640 / MT643 / MT650 / MT653 / MT654 Automatic Transmission Metal Clad Extension Housing Seal (4.760 OD) (except 644/647) 1972-1993 (6773311) (101080)

Only 640 / MT644 / 647 / 654 Automatic Transmission Main Case Seal, Convert Hub (4.012" OD x 2.900" ID) (6771231) 1972-1993

FMX Automatic Transmission Front Pump (51-67) (106070B) (3183887)