Fits ’01-’07 Duramax LB7, LLY, LBZ Allison 4×4 Transmissions. This support can keep your Allison four wheel drive housing from cracking in the event of a driveline vibration (bad u joint, dented or bent driveshaft).

Product Features

  • Prevents 4×4 Transmission housing from cracking
  • Fits ’01-’07 Duramax LB7, LLY, LBZ Allison 4×4 Transmissions

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