Transmission Center Support Seal Kit, for GM 6L45/6L50/6L80/6L90 (104740-14K)

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  • Regular price $65.48


Superseded Part Number: S104080K, 104740-14K

Country/Region of Manufacture: United States

Interchange Part Number: S104080K, 104740-14K

Manufacturer Part Number: S104080K, 104740-14K

UPC: Does not apply

Other Part Number: S104080K, 104740-14K

Brand: Sonnax Industries, Inc.

Hello, If you need assistance finding a part please supply the VIN number of your NORTH AMERICAN vehicle AND the part number you are looking for. 

Symptoms:

  • Burnt clutches
  • Loss of lube oil
  • Overheating & reduced lube feed

Cause:

Rubber face seals are prone to wear over time, allowing leakage of critical circuit pressure and loss of lube oil flow to occur.

Correction:

The Sonnax center support seal kit provides press-in-place steel inserts which bridge the leakage at the OE rubber face seals.

6L45, 6L50, 6L80, 6L90

Center Support Seal Kit
Part No. 104740-14K

The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply leakage in Reverse, 2nd and 6th. Installation of the Sonnax center support seal kit 104740-14K will prevent any leakage that occurs due to a gap between the rubber OE seals and the valve body or center support.

  • Springs (2) Short, .250"
  • Springs (2) Medium, .380"
  • Springs (2) Tall, .560"
  • Center Support Seal Inserts (4) Grooved & Threaded
  • Valve Body Seal Inserts (4) Non-Grooved & Non-Threaded

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