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XD555 XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD555 - GM 6.6L Duramax LMM - 2007.5-2010

SKU: XD555
Mftr. Part#: XD555
The XDP Xpressor OER Series Reman GT3788VA replacement Turbocharger is a direct fit replacement for the tired turbo in your GM 6.6L Duramax LB7 2007.5-2010

PRODUCT DETAILS (click to expand)

PRODUCT SPECS (click to expand)



Since this is a remanufactured product, a temporary "core charge" is added up front until we receive your original unit back. Once received and inspected, the charge will be reversed back to you. The core charge will be added to the price below. (Required)



The XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD555 is a direct-fit replacement for the tired turbo in your 2007.5-2010 GM 6.6L Duramax LMM. Issues such as excessive temperatures, over-speeding of the turbo, a lack of lubrication, oil contamination, or worn seals can slowly cause damage to the turbo in your Chevy or GMC truck. Common symptoms of turbocharger failure can include a significant loss of power, decreased fuel economy, noisy operation, excessive smoke, increased oil consumption, or a check engine light. The Garrett GT3788VA Variable Geometry Turbo (VGT) is well-known for issues such as soot and ash buildup in the turbine housing causing the vanes to stick or a seized unison ring. Restore proper operation of your Duramax LMM with the Xpressor OER Series Replacement Turbocharger from XDP.

Xpressor OER Series Remanufactured Turbochargers follow a comprehensive remanufacturing process to ensure it meets or exceeds O.E. specifications. Each turbocharger begins with a complete disassembly and all components are thoroughly cleaned and inspected. Checks are then performed for any microscopic damage to the housing, compressor, turbine wheels, and rotating assembly. Before reassembly, all bearing surfaces are precision machined to a like new finish. The wheels and rotating assemblies are balanced to OEM specifications. Finally, all critical wear parts such as seals, thrust plates, bearings, and fasteners are replaced. A 100% end-of-line testing is performed through the full RPM sweep along with a NVH analysis to ensure the highest quality turbochargers and components. In addition, hydraulic and pneumatic leak testing is done as well as hot gas stand and burst test validations.

The XDP Xpressor OER Series Reman GT3788VA Turbocharger is a high-quality turbo for your 2007.5-2010 Chevrolet Silverado 2500HD/3500HD or GMC Sierra 2500HD/3500HD. The drop-in design allows this stock replacement turbo to offer a straightforward installation and connect to all the existing factory equipment. A turbocharger installation kit is also provided with an up-pipe to turbo gasket, upper and lower oil drain gaskets, as well as oil feed and turbo coolant banjo seals.


  • Remanufactured
  • Direct-Fit Replacement
  • Meets Or Exceeds OE Specs
  • Certified To IATF 16949 Standards
  • Bearing Surfaces Precision Machined
  • Includes Turbocharger Installation Kit
  • Burst Test & Hot Gas Stand Validated
  • Noise, Vibration, Harshness (NVH) Analyzed
  • VGT/VNT Function Tested For Proper Operation
  • Critical Wear Components & Fasteners Replaced
  • Hydraulic And Pneumatic Leak Testing Performed
  • 100% End-Of-Line Tested Through Complete RPM Range
  • Thrust Bearing, Journal Bearing, And Oil Slinger Replacement
  • Covered By XDP's 1-Year Warranty

Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. 




2 Year Unlimited Mileage