Aftermarket

TH350 TH400 Pump Gear Set (0.727'')

This is a high quality replacement pump gear set for GM's Turbo 350/C and Turbo 400 automatic transmissions. 0.727'' Thick

TH350 Upgraded HD Intermediate Sprag Outer Race

This is a new heavy duty upgraded intermediate sprag outer race for GM's Turbo 350 and 350C automatic transmissions manufactured from 1969 to 1986.

TH350C Oil Filter - Nylon (1980-1988)

This is a high quality Nylon style oil filter for GM's Turbo 350C transmissions manufactured from 1980 to 1988.

TH400 3L80 Valve Body Detent Kickdown Solenoid (1965-UP)

New aftermarket replacement Kickdown/Passing Gear/Detent Solenoid used in General Motors Turbo 400 TH375 and TH475 transmissions manufactured from 1965 and up.  Also used in all year 3L80 and...

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 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 Output Shaft to Case & Front Planet to Rear Planet Washer (1965-UP) 4-Tang Metal

TH400 4L80E Pump Stator & Center Support Sealing Ring - Metal

This is a high quality replacement metal sealing ring found on the pump stator and center support of GM Turbo 400 and 4L80E automatic transmissions.

TH400 Accumulator Piston Upgraded Aluminum w/ 3-Legs (1965-1998)

This is an upgraded aluminum style accumulator piston w/ 3-Legs for GM Turbo 400 transmissions manufactured from 1965 to 1998.

TH400 Center Support Bushing

This is a new TH400 transmission center support bushing.

TH400 Extension Housing Bushing

This is a new replacement extension housing bushing for GM's Turbo 400 transmission.

TH400 Oil Pan with Drain Plug (Chrome)

TH400 Oil Pan with Drain Plug (Chrome)

TH400 Output Shaft Bushing - Wide Style (1965-1974)

This is a new wide style output shaft bushing for GM's Turbo 400 automatic transmissions manufactured from 1965 to 1974. It measures 1.40” ID 1.54” OD and 0.55” Wide

TH400 Pump Body w/ Gears (Universal)

This is an aftermarket replacement universal 6-bolt pump body with gears for GM's Turbo 400 automatic transmissions.

TH400 Solenoid Case Connector, 1-Prong Large OD (1968-1998) 24205373

TH400 Solenoid Case Connector, 1-Prong Small OD (1964) 2977975

This is a new aftermarket replacement case connector with 1-prong and the small OD for GM TH400 transmission manufactured in 1964.

TH400 Solenoid Case Connector, 2-Prong w/ Variable Pitch (1965-1967) 2984091

This is a high quality replacement 2-Prong style TH400 case connector with variable pitch manufactured from 1965 to 1967.  This connector does not come with the o-ring.  If you need the...

TH400 Solenoid Case Connector, 2-Prong w/o Variable Pitch (1970-1982) 8629502

This is a high quality aftermarket replacement case connector with 2-prongs and without variable pitch for GM TH400 transmissions.  The case connector is the style with the insulator. This...

TH400 Speedometer Housing (40-45 Tooth)

Speedometer Housing, TH400 (40-45 Tooth)