Pumps

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

TH400 Pump 6 Bolt

TH400 TH425 Pressure Regulator Valve Kit | Sonnax | 1971-UP

TH400 TH425 Pressure Regulator Valve Kit for 1971-Up Units IF OE VALVE HAS THROUGH BALANCE HOLE, SONNAX VALVE CANNOT BE USED Sonnax Part Number: 34910-03K NO TOOLING REQUIRED High-mileage vehicles with GM TH400 and TH425 units often experience poor line...

TH400 Pump Stator Shim Washer .117"

TH400 Pump Thrust Bearing Kit | Sonnax

TH400 Pump Thrust Bearing Kit by Sonnax Part No. 34211-01K GM TH400 transmissions set front endplay with selective thrust washers between the pump and forward drum. In heavy-duty and racing applications, a common durability upgrade is to replace the...

TH400 Billet Complete Pump Assembly

TH400 Complete Pump Assembly This pump body and stator back is made from 6061 billet aluminum. Weighs 10.81 lbs. versus 15.72 lbs. on the OE pump assembly. Positive stop bushing area. Area for staking bushing prevents bushing spin. Snap ring to prevent...

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 | Sonnax

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 conditions become more demanding. Our pressure regulator...

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 TH425 Boost Valve Kit | Sonnax | O-Ring Style

TH400 TH425 Boost Valve Kit | O-Ring Style Sonnax Part Number: 34910-01K NO TOOLING REQUIRED Vehicles with a GM TH400 and TH425 transmissions frequently have poor line rise, soft 1-2 and/or 2-3 shifts and/or Reverse engagement difficulties. These...