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Oversized Pressure Regulator & Boost Valve Kit 104520-07K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • NEW VERSION AVAILABLE UNDER PART #104520-16K.
This part has been discontinued. Click here to see the part instructions.

Oversized Actuator Feed Limit Valve 104740-12

  • 6L45
  • 6L50
  • 6L80
  • 6L90

GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper reg...Read More

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6L45, 6L50, 6L80, 6L90 Oversized Actuator Feed Limit Valve 104740-12

Oversized Clutch Boost Valve 104740-01

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • Fits any of 3 locations

GM 6L45, 6L50, 6L80 and 6L90 clutch boost valves provide feedback pressure to their respective clutch regulator valves, balancing the regulators to assist with app...Read More

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6L45, 6L50, 6L80, 6L90 Oversized Clutch Boost Valve 104740-01

O-Ringed End Plug Kit 104740-23K

  • 6L45
  • 6L50
  • 6L80
  • 6L90

The primary design function of the OE end plugs is to prevent critical pressure loss by capping the bore; it also performs a secondary function as a spring stop or...Read More

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6L45, 6L50, 6L80, 6L90 O-Ringed End Plug Kit 104740-23K

Thrust Washer GM-WP-16

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

Sonnax thrust washer GM-WP-16 replaces worn or damaged thrust washers in GM 6L90 Captive Clutch converters. Comprised of high-strength thermoplastic polymide (same...Read More

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6L80, 6L90 (300mm), 6L90 (Captive Clutch) Thrust Washer GM-WP-16

Thrust Bearing GM-N-22

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)
  • 8L90

Sonnax partially enclosed bearing GM-N-22 replaces the impeller-side bearing in GM 6L80 (late). 6L90, 300mm and 6L90 (Captive Clutch) converters. The impeller in t...Read More

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6L80, 6L90 (300mm), 6L90 (Captive Clutch), 8L90 Thrust Bearing GM-N-22

Bearing Race GM-N-23

  • 6L80, 6L90 (300mm)
  • 6L90 (Captive Clutch)
  • 8L90
  • Used with GM-N-22.

Sonnax 3-tanged bearing race GM-N-23 replaces the impeller-side bearing race in GM 6L80 (late), 6L90, 300mm and 6L90 (Captive Clutch) converters. The impeller in t...Read More

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6L80, 6L90 (300mm), 6L90 (Captive Clutch), 8L90 Bearing Race GM-N-23

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

Impeller Hub GM-90-72G

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

Sonnax flanged impeller hub GM-90-72G fits GM 6L80 (late), 6L90, 300mm converters. The hub has a large, reinforced flange and a recessed pocket to contain associated thrust bearing GM-N-22.

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6L80, 6L90 (300mm), 6L90 (Captive Clutch) Impeller Hub GM-90-72G

Inner Stator Race GM-HR-16

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

Sonnax inner stator race GM-HR-16 is a direct replacement for damaged stator races in GM 6L80, 6L90 (300mm) converters. GM-HR-16 is made from through-hardened 5210...Read More

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6L80, 6L90 (300mm), 6L90 (Captive Clutch) Inner Stator Race GM-HR-16

Pump Bushing 104034A

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • Not for use in 6L45 BMW models, which have a bearing in that position.

The OE pump bushing in GM 6L45, 6L50, 6L80 and 6L90 transmissions utilizes a PTFE-impregnated load bearing surface to support large forces and survive dry-start co...Read More

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6L45, 6L50, 6L80, 6L90 Pump Bushing 104034A

Inner Stator Race GM-HR-18

  • 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only)
  • 6L80, 6L90 (300mm)
  • Converts GM 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only) converter cores to a 36-tooth spline for use in 6L80, 6L90 300mm applications

Sonnax special high performance inner stator race GM-HR-18 can be used to convert  GM 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E: S-10 only) applications t...Read More

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245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 6L80, 6L90 (300mm) Inner Stator Race GM-HR-18

Rivet GM-RV-11

  • 6L80, 6L90 (300mm)

Sonnax piston/damper assembly rivet GM-RV-11 is for use in GM 6L80, 6L90 (300mm) converters. Each rebuild requires six rivets.

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6L80, 6L90 (300mm) Rivet GM-RV-11

Rivet GM-RV-12

  • 6L90 (Captive Clutch)

Sonnax piston-to-spring strap rivet GM-RV-12 is for use when rebuilding GM 6L90 captive-clutch converters. Each assembly requires six rivets.

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6L90 (Captive Clutch) Rivet GM-RV-12

Stator Support Bushing Kit 104036AK

  • 6L80
  • 6L90

GM 6L80 and 6L90 transmissions have aluminum bushings installed at the front and rear of the stator shaft. While aluminum bushings generally have good wear charact...Read More

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6L80, 6L90 Stator Support Bushing Kit 104036AK

Pump Rotor 104532

  • 6L45
  • 6L50
  • 6L80
  • 6L90
This part has been discontinued.

Pump Vane 76742

  • 6L45
  • 6L50
  • 6L80
  • 6L90

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

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6L45, 6L50, 6L80, 6L90 Pump Vane 76742

Clutch Friction 104120-03

  • 6L80
  • 6L90
  • Powerglide

Featuring BorgWarner high-energy material, Sonnax clutch friction 104120-03 is grooved to disperse oil through the clutch pack for improved cooling. It is an ideal...Read More

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6L80, 6L90, Powerglide Clutch Friction 104120-03

Tool Kit F-104520-TL7C

  • 6L45
  • 6L50
  • 6L80
  • 6L90

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

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

6L80
Remanufactured Valve Body GM6L80L

’10-Later

Sonnax remanufactured valve body GM6L80L has been designed to address common issues, such as: burnt clutches; codes P0751, P0741, P0742; harsh TCC apply; bump, har...Read More

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6L80 Remanufactured Valve Body GM6L80L

6L80
Remanufactured Valve Body GM6L80E

’06–’09

Sonnax remanufactured valve body GM6L80E has been designed to address common issues, such as: burnt clutches; codes P0751, P0741, P0742; harsh TCC apply; bump, har...Read More

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6L80 Remanufactured Valve Body GM6L80E

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

Boost Valve Kit 104520-01K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
This part has been discontinued. Click here to see the part instructions.

6L50
Remanufactured Valve Body GM6L50L

’10-Later GM

Sonnax remanufactured valve body GM6L50L has been designed to address common issues, such as: burnt clutches; codes P0751, P0741, P0742; harsh TCC apply; bump, har...Read More

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6L50 Remanufactured Valve Body GM6L50L

6L45, 6L50
Remanufactured Valve Body GM6L45E

’06–’09 GM

This part has been discontinued. Click here to see the part instructions.

Tool Kit F-104740-TL7

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Tool Kit for 104740-07K

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6L45, 6L50, 6L80, 6L90 Tool Kit F-104740-TL7

Tool Kit F-104520-TL11C

  • 6L45
  • 6L50
  • 6L80
  • 6L90

Tool Kit for 104520-11

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6L45, 6L50, 6L80, 6L90 Tool Kit F-104520-TL11C

Clutch Select Valve Spring Kit 104740-02K

  • 6L45
  • 6L50
  • 6L80
  • 6L90
  • Fits mid '10–earlier. Compatible with all models except early, 1st design 6L80 plate 24246916.

Mid 2010-earlier GM 6L45/50/80/90 transmissions have a tendency to set a P0751 (shift solenoid 1 malfunction) code. One of the causes of this is the OE spring forc...Read More

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6L45, 6L50, 6L80, 6L90 Clutch Select Valve Spring Kit 104740-02K
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