Metal Clad Seals

Automatic Transmission Main Case Seal, Extension Housing (3.634 OD) (6778050) (121074) Allison AT540, AT542, AT543, AT545, AT1545 1970-2001 Allison 640, MT643, MT644, MT647, MT650, MT653 (except 654) 1972-1993

Automatic Transmission Manual Control Shaft Metal Metal Clad Seal (23010610). Compatible with / Fits Allison, Chevrolet, GMC 1970-2001 AT540, AT542, AT543, AT545, AT15451972-1993 MT640, MT643, MT644, MT647, MT650, MT653, MT6542001-2015 LCT1000, LCT2000,...

Automatic Transmission Extension Housing Metal Clad Seal (3.628" OD) (121074) (29536379) Allison LT 1000, 2000, 2400 2000-UP Allison MT640 1972-UP Allison AT 540 1970-UP

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

MT640 Automatic Transmission Extension Housing (4.751" OD) (72-Up) (101080) (6773311) Compatible with / Fits Allison.

Only Allison MT644 / 647 / 654 Automatic Transmission 1972-1993 Lathe Cut Housing Converter Seal (outer) (6880389) (101311A)

Only Allison MT644/647/654 Automatic Transmission 1972-1993 Lock-Up Clutch Lathe Cut Seal (inner) (6770492) (101330A)

Only Allison MT644 / 647 / 654 Automatic Transmission 1972-1993 Lock-Up Clutch Lathe Cut Seal (outer) (6758740) (101331A)

Only Allison 640 / MT643 / MT650 / MT653 Automatic Transmission 1972-1993 Lock-Up Clutch Lathe Cut Seal (outer) (6758036) (101331B)

Only Allison 640 / MT643 / MT650 / MT653 Automatic Transmission 1972-1993 Lock-Up Converter Cover O-ring (6770820) (101363A)

Allison 640 / MT643 / MT644 / MT647 / MT650 / MT653 / MT654 Automatic Transmission 1972-1993 Filter to Center Support O-ring (6761244) (101372) New Process NP-203, BW-1370, BW-4401, BW-4470 Transfer Case Selector Switch Oring (1985-1997)