XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD554 hidden The OE thermal bypass valve

The OE thermal bypass valve is designed to route bypass the transmission cooler and cold temperatures in in order to bring the transmission up to operating temperature faster

this set re-uses your factory retainers and locks

Some early 2004 models have a (4EA) code

The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6

Will not fit engines with Forged Metal Connecting Rods

XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD554 hidden The OE thermal bypass valveThe XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD554 is a direct fit replacement for the failed turbo in your 2006 2007 GM 6. 6L Duramax LBZ. Issues such as a lack of lubrication, oil contamination, worn seals, excessive temperatures, and over speeding of the turbo can slowly cause damage to the turbo in your Chevy or GMC. Popular symptoms of turbocharger failure can include a significant loss of power, decreased fuel economy,