Hard Parts

TH400 3L80 Intermediate Sprag Outer Race (1965-1998) 0.751'' Thick

TH400 3L80 Intermediate Sprag Outer Race (1965-1998) 0.751'' Thick  Good Used

TH400 Output Shaft | 8-1/8'' OAL | 32-Spline | 2-7/8'' Spline Length | 1-Clip Style Speedo Gear | w/ O-Ring Groove

TH400 Output Shaft  8-1/8'' Length from Base 32-Spline  2-7/8'' Spline Length  1-Clip Style Speedo Gear  w/ O-Ring Groove

TH400 Output Shaft | 7'' OAL | 32-Spline | 2-1/4'' Spline Length | Flat Top Style Yoke | Metal & Clip Style Speedo Gear | No O-Ring Groove

TH400 Output Shaft  7'' Length from Base 32-Spline  2-1/4'' Spline Length  Flat Top Style Yoke  Metal & Clip Style Speedo Gear  No O-Ring Groove

TH400 Output Shaft | 18-1/2'' LG | 32-Spline | No Yoke Thread | Metal & Clip Style Speedo Gear | O-Ring Groove

TH400 Output Shaft | 18-1/2'' LG | 32-Spline | No Yoke Thread | Metal & Clip Style Speedo Gear | O-Ring Groove | Used in 71-76 Cadillac Deville/Fleetwood

TH400 Forward Direct Clutch Cast Alum. Piston - 8623709

TH400 Forward Direct Clutch Cast Alum. Piston - 8623709

TH400 Early 4L80E Intermediate Piston - Aluminium

Aluminium style intermediate clutch piston for GM's Turbo 400 and early 4L80E automatic transmissions.  

TH400 Speedo Housing (Fits 34-39 Tooth Gears)

This is a good used speedometer housing that fits 34-39 tooth gears for Turbo 400 automatic transmissions.

TH400 4L80E Intermediate Piston - Alum

This is a good used intermediate piston for TH400 and early 4L80E transmissions.

4L80E TH400 (1962-1992) Front Planet w/ 4-Pinions & .710"Slant Gear (1991-1995)

This is a good used front planet assembly with four pinions with .710" slant gears for early 4L80E automatic transmissions from 1991 to 1995.

TH400 Output Shaft - 4WD (5.25'' OL w/ 2.25'' Spline) Cast Governor Gear

This is a good used output shaft for four wheel drive TH400 automatic transmissions.  The overall length is 5-1/4'' long with 2-1/4'' splines. Cast Governor Gear Style

TH400 4L80E Intermediate Sprag w/ 34-Elements - HD Aftermarket

This is a high quality heavy duty Borg Warner 34-element intermediate sprag assembly for GM Turbo 400 and 4L80E automatic transmissions.

TH400 Forward Drum w/ Shaft

This is a good used forward drum with shaft for GM's Turbo 400 automatic transmissions.

TH400 Output Shaft | 15'' OAL | 32-Spline | 4" Spline | No Threads | Metal & Slip Speedo Style | No O-Ring Groove | BOP

TH400 Output Shaft | 15'' Length from Base 32-Spline  4" Spline Length No Threads  Metal & Slip Speedo Style  No O-Ring Groove  BOP

TH400 Output Shaft w/ Rubber O-Ring Groove (9'' LG)

This is a good used output shaft for GM's Turbo 400 transmissions.  It will work on most 2WD and some 4WD TH400 transmissions.  The shaft has a groove for the rubber o-ring and measures 9'' long.

TH400 4L80E 4L85E Output Carrier Silencer Ring (1969-2009) .177''

This is a high quality new aftermarket output carrier silencer ring for GM's Turbo 400 and 4L80E automatic transmissions manufactured from 1969 to 2009.

TH400 Pickup Tube - Short Style (Good Used)

This is a good used short style pickup tube for TH400 automatic transmissions.

TH400 4L80E Intermediate Pressure Plate Snap Ring (1982-2009)

This is a good used snapp ring that holds the intermediate pressure plate in on GM's Turbo 400 and 4L80E automatic transmissions manufactured from 1982 and up. 0.092'' Thick  

TH400 4L80E Center Support to Case Rear Snap Ring (1982-2009)

This is a new replacement center support to case snap ring for GM Turbo 400 and 4L80E transmissions manufactured from 1982 to 2009.

TH400 4L80E Intermediate Clutch Pack Snap Ring .098" - Upgraded TransGo

This is an upgraded replacement snap ring for the intermedaite clutch pack in TH400 transmissions.  The snap ring is HD and made by TransGo and is .098".

4L80E TH400 Output & Reaction Planetary Rebuild Kit (1969-1998)

Planetary Rebuild KitPart No. 34875RK Output & reaction planetaries, '69–'98 with .750" wide pinion gears Contents Pinion Pins (4) Pinion Rollers (72) Pinion Washers (8) Round Thrust Washers (8)