Transmission Parts GM 6L90 Case Bushing
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Symptoms:

  • Premature wear & bushing failure

Cause:

OE bushing material composition allows premature wear.

Correction:

Install improved material Sonnax extension housing bushing to restore critical clearances and resist untimely wear.

Warning:

Caution: Use of an arbor press is required for correct installation. Do not use a hydraulic press or a bushing driver/hammer combination to install, as doing so may distort the bushing and cause fitment issues.

6L90

Extension Housing Bushing
Part No. 104066B

RWD models only

Package Quantity: 5

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GM 6L90 extension housing bushings are prone to wear prematurely due to sub-optimal material composition. Restore normal operation and provide greater wear resistance by installing Sonnax precision extension housing bushing 104066B.

  • Bushing Style: Precision
  • Material: Steel-backed alloy
  • Housing Bore: 2.337"
  • Width: 1.000"
  • Shaft Dia.: 2.200"
  • 6L90 Extension Housing Bushing 104066B

Related Sonnax Parts

Required

Recommended

6L80 Extension Housing Bushing 104066A

6L80

Extension Housing Bushing 104066A

RWD models only

  • Bushing Style: Precision
  • Material: Steel-backed alloy
  • Housing Bore: 2.021"
  • Width: 1.000"
  • Shaft Dia.: 1.885"
    Helps cure:
  • Premature wear & bushing failure
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