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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 Installation Tool Kit 124740-TL70

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

Tool kit for 124740-70K.

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

3-Bolt Adapter Flange Yoke Kit T35-GMFD-01K

Fits 6L80, 6L90, 8L90, 10L80 units; TR6060, TR3160, ’18–’22 Mustang MT-82 manual units; ’05–’06 Pontiac GTO (differential side).

The ideal upgrade for modified performance vehicles, Sonnax 3-bolt adapter flange yoke kit T35-GMFD-01K makes it easy to convert a two-piece driveline to a one-pie...Read More

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3-Bolt Adapter Flange Yoke Kit T35-GMFD-01K

2-6/3-5-R Hub Rear Bushing 104030A-01

  • 6L80
  • 6L90

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6L80, 6L90 2-6/3-5-R Hub Rear Bushing 104030A-01

Case Bushing 104030A-04

  • 6L80
  • 6L90

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6L80, 6L90 Case Bushing 104030A-04

Rear Center Support Bushing 104030A-07

  • 6L80
  • 6L90

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6L80, 6L90 Rear Center Support Bushing 104030A-07

Output Shaft Bushing 104030A-08

  • 6L80
  • 6L90

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6L80, 6L90 Output Shaft Bushing 104030A-08

JMDZ Diesel Performance Converter Kit GM-RK-22

  • 6L90 (Captive Clutch Conversion), Multi-Plate Performance Converter
  • 6L90 (Captive Clutch)
  • For diesel and towing applications.

GM 6L90 (Captive Clutch) torque converters are a nuisance to rebuild. In these converters, the piston is held onto the cover by leaf springs and rivets that are di...Read More

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6L90 (Captive Clutch Conversion), Multi-Plate Performance Converter, 6L90 (Captive Clutch) JMDZ Diesel Performance Converter Kit GM-RK-22

Friction Ring B66750HTE

  • 6L80, 6L90 (300mm)

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6L80, 6L90 (300mm) Friction Ring B66750HTE

Friction Ring B45750HTE

  • 6L80, 6L90 (300mm)

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6L80, 6L90 (300mm) Friction Ring B45750HTE

Friction Ring S20750WC

  • 6L80, 6L90 (300mm)

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6L80, 6L90 (300mm) Friction Ring S20750WC

Front Center Support Bushing 104030-06

  • 6L50
  • 6L80
  • 6L90

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6L50, 6L80, 6L90 Front Center Support Bushing 104030-06

Piston Plate GM-DA-6P

  • 258mm LU (4L60-E, 5L40-E)
  • 258mm LU (4T65-E)
  • 4L60-E (298mm), Single-Plate Performance Converter
  • 4L60-E (300mm), Single-Plate Performance Converter
  • 6L80 (300mm), Single-Plate Performance Converter

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258mm LU (4L60-E, 5L40-E), 258mm LU (4T65-E), 4L60-E (298mm), Single-Plate Performance Converter, 4L60-E (300mm), Single-Plate Performance Converter, 6L80 (300mm), Single-Plate Performance Converter Piston Plate GM-DA-6P

Impeller Hub GM-90-95G

  • 6L45/6L50
  • 6L80 (258mm)
  • GM Only (Non-BMW)

Sonnax flanged impeller hub GM-90-95G fits GM 6L45/6L50 converters. The hub features a reinforced flange that provides a new thrust bearing surface and eliminates the OE weld that commonly leaks. 

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6L45/6L50, 6L80 (258mm) Impeller Hub GM-90-95G

Vacuum Test Plate Kit Seal 104740-VTP-SL

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Sonnax vacuum test plate kit seal 104740-VTP-SL is a replacement silicone seal for a worn or damaged original lower valve body seal in vacuum test plate kit 104740-VTP.

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6L45, 6L50, 6L80, 6L90 Vacuum Test Plate Kit Seal 104740-VTP-SL

4-5-6 Clutch Drum Bushing 104030-05

  • 6L45
  • 6L50
  • 6L80
  • 6L90

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6L45, 6L50, 6L80, 6L90 4-5-6 Clutch Drum Bushing 104030-05

1-2-3-4/3-5-R Drum Bushing 104030-03

  • 6L45
  • 6L50
  • 6L80
  • 6L90

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6L45, 6L50, 6L80, 6L90 1-2-3-4/3-5-R Drum Bushing 104030-03

Vacuum Test Plate Kit Seal 104740-VTP-SU

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Sonnax vacuum test plate kit seal 104740-VTP-SU is a replacement silicone seal for a worn or damaged original upper valve body seal in vacuum test plate kit 104740-VTP.

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6L45, 6L50, 6L80, 6L90 Vacuum Test Plate Kit Seal 104740-VTP-SU

2-6/3-5-R Hub Front Bushing 104030-02

  • 6L45
  • 6L50
  • 6L80
  • 6L90

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6L45, 6L50, 6L80, 6L90 2-6/3-5-R Hub Front Bushing 104030-02

Selective Pump Thrust Washer 33452A

  • 6L45
  • 6L50
  • 6L80
  • 6L90

It is often necessary to resurface the pump during overhaul of GM 6L45, 6L50, 6L80 and 6L90 units. After resurfacing, endplay is too great and must be set back to ...Read More

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6L45, 6L50, 6L80, 6L90 Selective Pump Thrust Washer 33452A

Pump Slide Pivot Pin & Spring Kit 104553-03K

  • 6L45
  • 6L50
  • 6L80
  • 6L90

The pump slide pivot pin in GM 6L45/50/80/90 units is in a high-stress position and wears appreciably under normal conditions. The spring for the pivot pin also ge...Read More

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6L45, 6L50, 6L80, 6L90 Pump Slide Pivot Pin & Spring Kit 104553-03K

Inner Stator Race GM-HR-17

  • 258mm LU (4L60-E, 5L40-E)
  • 265mm LU (4T60-E, 4T80-E)
  • 4L80-E (Early Single Stator)
  • 4L80-E (Late Single Stator)
  • 6L80, 6L90 (300mm)
  • Converts GM 6L80, 6L90 (300mm), GM 258mm LU (4L60-E, 5L40-E) or GM 265mm LU (4T60-E, 4T80-E) converter cores to a 37-tooth internal spline for use in GM 4L80-E single stator applications.

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258mm LU (4L60-E, 5L40-E), 265mm LU (4T60-E, 4T80-E), 4L80-E (Early Single Stator), 4L80-E (Late Single Stator), 6L80, 6L90 (300mm) Inner Stator Race GM-HR-17

GM

6L50 Transmission

See all Sonnax transmission parts and tech resources for the GM 6L50.

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Turbine Hub GM-HTCM-53

  • 6L80 (300mm), Single-Plate Performance Converter

Weld-in

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6L80 (300mm), Single-Plate Performance Converter Turbine Hub GM-HTCM-53

Turbine Hub GM-HTCM-685R

  • 6L80 (265mm), Multi-Plate Performance Converter
This part has been discontinued.

Stator Cap GM-WA-47

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)

Sonnax aluminum stator cap GM-WA-47 for the turbine side of the stator is a replacement for worn or damaged caps in GM 6L90-later captive clutch converters.

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6L80, 6L90 (300mm), 6L90 (Captive Clutch) Stator Cap GM-WA-47

Turbine Hub GM-HT-49HS

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)
This part has been discontinued.

Turbine Hub GM-HT-56HS

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)
This part has been discontinued.

Turbine Hub GM-HTCM-56HS

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)
  • Stepped, Chamfered Nose

Sonnax chromoly turbine hub GM-HTCM-56HS with hardened internal spline replaces previously offered GM-HT-56HS.

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6L80, 6L90 (300mm), 6L90 (Captive Clutch) Turbine Hub GM-HTCM-56HS

Turbine Hub GM-HTCM-688R

  • 6L80, 6L90 (258mm), Multi-Plate Performance Converter

Sonnax turbine hub GM-HTCM-688R is a direct replacement for turbine hubs included in performance converter kits listed below.

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6L80, 6L90 (258mm), Multi-Plate Performance Converter Turbine Hub GM-HTCM-688R
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