2001-2007 Duramax PPE LB7/LLY/LBZ Transfer Case Brace (129020107)2001 2007 Duramax PPE LB7 LLY LBZ Transfer Case Brace (129020107) Cracked transmission tail shaft housings (located between the transfer case and the transmission) are a common problem for GM Allison equipped 4x4 pick ups in off road and drag racing applications. Even a nominal amount of driveline vibration can cause the housing to fail, resulting in a transmission fluid leak or worse; internal transmission and transfer case damage. Once the housing

The cooler fluid lubricates better which helps increase transmission service life

7L Mean Green High Output Alternator (MG1627)

See the dealer bulletin below outlining the improvements and changes in filter color

giving you the ability to view the contents prior to opening the package

Like all our high performance filters

These units securely mount any T4-based turbocharger

These specially designed two-piece clamps provide 360 degrees of constant tension with interlocking surfaces that prevent leakage

On the 4th and 5th Gen Cummins

Upgrade to our Upgraded Thrust Plate Retainer and give your engine the added protection it needs to run smoothly and efficiently

and each bore size is prominently engraved in 3/4 in

Whether you're simply servicing your turbos or replacing and upgrading

Cast from high-quality A356-T6 heat-treated aluminum for strength