Pumps

TH400 Pump Non Lock-Up Washer or Bearing Style 5 or 6 Ring Style 8 Bolt

TH400 Pump 6 Bolt

TH400 Pump Stator & Center Support Sealing Ring (Teflon) (1964-1990) (Takes 6 Total)

TH400 Pump Stator & Center Support Sealing Ring (Teflon) (1964-1990) (Takes 6 Total on Center Support and Pump Stator)

GM Pump Alignment Band Tool

GM Pump Alignment Band This universal pump alignment band will work for the following transmissions as well as some others: 250, 250C, 350, 350-C, 375, 400, 3L80, 3L80-HD, 425, 475, 700-R4, 4L60, 4L60E and PowerGlide

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 Pump Body w/ Gears (Universal)

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

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

TH400 Line Pressure Booster Kit

TH400 Line Pressure Booster KitPart No. 400-LB1 Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving...

TH400 Boost Valve Kit (No O-Rings Style) Sonnax

TH400 Boost Valve KitPart No. 34910-05K Factory Style, No O-Rings Vehicles with a THM 400 transmission frequently have poor line rise, soft 1-2 and/or 2-3 shifts,and/or Reverse engagement difficulties. These problems can be caused by the...

TH400 Boost Valve Kit (O-ring Style) Sonnax

TH400, TH425 Boost Valve KitPart No. 34910-01K O-Ring Style Vehicles with a GM 400 and 425 transmissions frequently have poor line rise, soft 1-2 and/or 2-3 shifts and/or Reverse engagement difficulties. These problems can be caused by the...