You searched for "6l80 rebuild kit".

Low/Reverse Sprag Rebuild Kit 104642-80SK

  • 6L80

In GM 6L80 transmissions, the low/reverse sprag elements, end caps and retainer plates are prone to wear, while the race is often unaffected. This results in a bin...Read More

Learn More

6L80 Low/Reverse Sprag Rebuild Kit 104642-80SK

Pressure Switch Rebuild Kit 124740-70K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • 6T70 (Gen. 1)
  • 6T75 (Gen. 1)

Listed GM 6-speed transmissions often set various trouble codes related to failures of fluid pressure switches that are internal to the transmission electro-hydrau...Read More

Learn More

6L45, 6L50, 6L80, 6L90, 6T70 (Gen. 1), 6T75 (Gen. 1) Pressure Switch Rebuild Kit 124740-70K

Shift & TCC Kit 6L45-6L90-MINI

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Sonnax shift and TCC kit 6L45-6L90-MINI contains the most common and crucial repairs needed to get GM 6L45/50, 6L80/90 vehicles back on the road fast. Targeting lo...Read More

Learn More

6L45, 6L50, 6L80, 6L90 Shift & TCC Kit 6L45-6L90-MINI

The Sure Cure® Kit SC-6L80-6L90

  • 6L80
  • 6L90

Sonnax Sure Cure kit SC-6L80-6L90 for GM 6L80 and 6L90 units is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuild...Read More

Learn More

6L80, 6L90 The Sure Cure® Kit SC-6L80-6L90

Planetary Rebuild Kit 34880RK

  • 4L80-E
  • 4L85-E
  • Output & reaction planetaries, 1999 & Later
This part has been discontinued.

Zip Kit® 6L45-6L90-ZIP

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. The ...Read More

Learn More

6L45, 6L50, 6L80, 6L90 Zip Kit® 6L45-6L90-ZIP

Pressure Regulator Valve Kit 104520-15K

  • 6L45
  • 6L50
  • 6L80
  • 6L90

GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. De...Read More

Learn More

6L45, 6L50, 6L80, 6L90 Pressure Regulator Valve Kit 104520-15K

Tool Kit F-104520-TL7C

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Tool Kit for 104520-16K and discontinued 104520-07K.

Learn More

6L45, 6L50, 6L80, 6L90 Tool Kit F-104520-TL7C

Oversized Pressure Regulator & Boost Valve Kit 104520-16K

  • 6L45
  • 6L50
  • 6L80
  • 6L90

GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. De...Read More

Learn More

6L45, 6L50, 6L80, 6L90 Oversized Pressure Regulator & Boost Valve Kit 104520-16K

Pressure Switch Rebuild Installation Tool Kit 124740-TL70

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • 6T70 (Gen. 1)
  • 6T75 (Gen. 1)

Tool kit for 124740-70K.

Learn More

6L45, 6L50, 6L80, 6L90, 6T70 (Gen. 1), 6T75 (Gen. 1) Pressure Switch Rebuild Installation Tool Kit 124740-TL70

Pressure Switch Installation Tool Kit 124740-TL30

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • 6T70 (Gen. 1)
  • 6T75 (Gen. 1)
  • Tool kit 124740-TL30 has been discontinued and replaced by 124740-TL70.
This part has been discontinued. Click here to see the part instructions.

Pressure Switch Rebuild Kit 124740-30K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • 6T70 (Gen. 1)
  • 6T75 (Gen. 1)
  • Kit 124740-30K is discontinued and replaced by 124740-70K.
This part has been discontinued. Click here to see the part instructions.

Pressure Switch Rebuild Master Pack 124740-28K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • 6T70 (Gen. 1)
  • 6T75 (Gen. 1)
  • Kit 124740-28K is discontinued and replaced by 124740-70K and 124740-TL70.
This part has been discontinued. Click here to see the part instructions.

November 05, 2021

Transmission Report Newsletter: November 2021

Featured in this Issue:Rostra Joins Sonnax Transmission CompanyNew Work/Sport Performance UpgradesGM 8L45, 8L90 Valve Body RepairsGM 6L45/50, 6L80/90 BushingsNew Pressure Switch Rebuild Options for GM 6-Speed TEHCMs

Read More

March 31, 2020

Transmission Report Newsletter: April 2020

Featured in this issue:

  • 6L80/90 Transmission Tech Advisory: Consider an Updated Converter
  • Sonnax Hauls in Top Products & Tools!
  • Gen. 3 6T40 Units: What’s Changed & What’s Stayed the Same
  • Big Units Don’t Have to Mean Big Costs with AS66/69RC Valve Kits
  • Quickly & Easily Repair the Chrysler Solenoid Switch Valve
  • Conquering the GM Compensator Clip Conundrum

Read More

July 24, 2018

Transmission Report Newsletter: July 2018

Featured in this issue:Introducing Premium GM 6-Speed Remanufactured Valve BodiesProduct Development Takes the Spotlight at TASC MeetingMeet Sonnax's New PresidentGreat New Upgrades for AS68RC, 68RFE & 5R110W

Read More

March 09, 2016

Transmission Report Newsletter: March 2016

Featured in this issue:U341E/F TCC Slip DiagnosisFord 6R140 Zip Kit®U341E/F Valve Body Repairs6L80/90 Performance UpgradesTransmission Digest Top 10 Winners4L60/E Performance Catalog, Vol. 3

Read More

April 22, 2024

Transmission Report Newsletter: April 2024

New products featured in this issue:RFE TCC Apply Limit Switch Valve KitsZF8HP45/50/51 & Chrysler 845RE, 850RE Heavy-Duty “A” Clutch Backing Plate48RE Zip Kit®Damper & Accumulator Piston Kits4L60/E & TH400 Input Shaft Upgrades

Read More

September 03, 2013

Transmission Report Newsletter: August 2013

Featured in this issue:Genuine SonnaxVacuum Testing GuidesGM6L45-6L90 SolutionsNew Transmission KitsReamer Care

Read More

March 07, 2014

Transmission Report Newsletter: March 2014

Featured in this issue:The Right Kit for the Rebuild is a Genuine Sonnax KitThe Sure Cure Tech TipNew & Improved Vacuum Test Guides4R70W Forward Clutch Drum

Read More

Smart-Tech® Converter Clutch Kit FD-CP-20K

  • 6R140

Captive clutch failure in the Ford 6R140 is a chronic problem that is difficult to address with stock components or traditional methods. Key OE parts are not avail...Read More

Learn More

6R140 Smart-Tech® Converter Clutch Kit FD-CP-20K

September 17, 2021

GM 6L45, 6L50, 6L80, 6L90 Valve Body Layout

Read More

February 19, 2015

Transmission Report Newsletter: February 2015

Featured in this issue:NEW! Webinars & VideosPressure Switch Kits & Zip Kits®Plow Repairs & Upgrades

Read More

December 15, 2023

Transmission Report Newsletter: December 2023

Featured in this issue:New Sure Cure & 10-Speed Valve RepairsRostra OEM/S Parts Announcement6L80 Lube Dam Tech Tip for Easy RepairsZF8 Separator Plate IdentificationNew 6R80, ZF6 Heavy Duty OD “E” PistonTech Tip: Choose the Right AODE, 4R70W Bypass Clutch Control Valve Repair

Read More

August 28, 2017

Torque Converter Journal: August 2017

Featured in this issue:Sonnax Answers Your Biggest Questions About Woven Carbon Friction RingsNew Parts GuideEd Lee is Retiring! Check Out His Top 10 Tech ArticlesExploded Views You Might Have Missed

Read More

July 25, 2023

Transmission Report Newsletter: August 2023

Featured in this issue:8L45/90 Signal Accumulator Piston Updates & New Shuttle Valve Kit OptionsNew 9T45 Drop-in Valve & Pump Body RepairsNew 68RFE & 6L80/90 L/R Sprag Rebuild KitsNew 6R60/75/80 Center Support Snap RingNew 4L60-E & 4L80-E Heavy Duty Upgrades

Read More

July 29, 2015

Torque Converter Journal: July 2015

Featured in this issue:Defending the Duramax® Diesel Against Allison® 1000 Stator WeaknessEasy Repairs for Overheating Honda/Acura ConvertersNew Converter PartsDodge Diesel Performance ShaftsSonnax Website Features

Read More
↑