Pumps & Pump Parts

6L80 6L90 6L45 6L50 HD Pump Vane

Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079"

6L80 6L90 HD Pump Slide Spring

Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and...

6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit (Changing to 104520-15K)

104520-15K is superceding 104520-14K.  104520-14K will no longer be manufactured and once stock is out there will be no more.     GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems...

6L80 6L90 6L45 6L50 Ovresized Converter Feed Limit Valve

GM 6L45, 6L50, 6L80, 6L90 units may have TCC apply and release problems. Bore wear or a stuck converter feed limit valve can result in converter overheat, incorrect TCC apply or release, inadequate lube and cooling, and converter over-pressurization...

6L80 6L90 6L45 6L50 Line Pressure Booster Kit

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. Sonnax's pressure...

6L80 6L90 6L45 6L50 Pump Boost Valve Kit

Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive...

GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit

The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators.  These popular units includes the 6L45, 6L50, 6L80 and 6L90.  Different thicknesses allows the rebuilder...

GM 6L80 6L90 Transmission Pump Upgrade Kit

6L80/6L90 TransLab Engineered Pump Upgrade Kit "Drop-and-Go" / No-REAM Series of Superior/TransLab QUICK SOLUTIONS After years of testing, all the issues rebuilders wanted in a pump upgrade kit are in this kit and ready for your 6L80/6L90 automatic...

6L80 6L90 Sealing Ring Kit (2006-UP)

This is a high quality Teflon sealing kit for GM 6L80 and 6L90 automatic transmissions.  This kit contains the teflon stator rings and stator expander O-rings for 2008-UP models as well as the teflon seals for the 2006-2007 models. 

GM 6L80/6L90 Transmission Pump Repair Seal Kit (2008-2013)

GM 6L80 & 6L90 Transmission Pump Repair Seal Kit 2008-2013 Models Kit Includes All The Sealing Items You Need To Install The Pump.  Pump Converter Housing O-Ring Pump Metal Clad Seal Pump Stator O-Ring Pump Slide O-Ring Pump Stator Peek Rings...

6L80E Pump Assembly w/ Bell Housing - Corvette Only (2007-2009) 24236119

GM 6L90E automatic transmission pump assembly with attached bell housing that went specificlly in Corvettes.  (2007-2009) OEM Casting Number 24236119