Merchant 10195 Transmission Rear Housing Support | 07.5-10 GM 6.6L Duramax 2500HD / 3500HD

Fits '01-'07 Allison 4x4 Transmissions (Including the 8.1 L Engine).  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).  Torque specs, 35 ft lbs at transmission, 27 ft lbs at transfer case.