Duramax LLY - 6.6L V8

GM 6.6L Duramax LBZ/LLY Silver Fuel Injector - DE668 Remanufactured by Bostech Direct Fit, Ready to Install External Seals pre-installed Proudly Re-Manufactured in the USA GM 6.6L Duramax LBZ/LLY Engine Applications (8 per vehicle): Chevrolet ...

GM 6.6L Duramax LLY Silver Fuel Injector - DE665 Remanufactured by Bostech Direct Fit, Ready to Install External Seals pre-installed Proudly Re-Manufactured in the USA GM 6.6L Duramax LLY Engine Applications (8 per vehicle): Chevrolet Silverado 2500...

GM Duramax LLY CP3 High Pressure Fuel Pump - HPP7308 Remanufactured by Bostech Includes Mounting O-rings Direct Fit, Ready to Install Proudly Manufactured in the USA GM 6.6L Duramax LLY Vin #2 Engine Applications: Chevrolet C4500 Kodiak 2004-2005...

GM Duramax Fuel Filter Housing Mounting Spacer Kit - DEC011853 Precision Machined by Bostech Bolts includes for easy installation Technical Info: Mounting Spacer Kit used to bring the fuel filter housing out from its original mount in order to more...

GM/Cummins Fuel Pressure Relief Valve Delete - DEC011725 Precision Machined by Bostech Eliminates P0087 & P1011 Codes, in most cases Offroad / Race use only Includes Seal Applications: GM Duramax 6.6L LLY 2004-2006 GM Duramax 6.6L LBZ 2006 GM...

Fuel Primer Seal Kit (SK01021) Note: LB7, LLY, LBZ, LMM  Application:  GM Silverado/Sierra 6.6L LB7 Vin 1 2001-2004  GM Topkick/Kodiak 6.6L LB7 Vin 1 2003-2004  GM Silverado/Sierra 6.6L LLY Vin 2 2004-2006  GM Express/Savana 6.6L...

GM Duramax Mass Air Flow Sensor - BTS012148 New Sensor by BT-Power Direct Fit GM 6.6L Duramax LB7 Engine Applications (1 per vehicle): Chevrolet Silverado 2500 HD 2001-2004 Vin #1 Silverado 3500 2001-2004 Vin #1 C4500 Kodiak 2003-2004 Vin #1 C5500...

Fuel Return Line Kit (ISK637) Application: GM Silverado/Sierra 6.6L LLY Vin 2 2004-2006 GM Express/Savana 6.6L LLY Vin 2 2006-2007 GM Topkick/Kodiak 6.6L LLY Vin 2 2004-2007 GM Silverado/Sierra 6.6L LBZ Vin D 2006-2007 GM Silverado/Sierra 6.6L LMM Vin 6...

GM LLY Injector Seal Kit (ISK119) Reseals Vital Engine Components Direct Replacement - Ready to Install 1 Kit Required Per Injector Made in the USA Note: LLY Vin 2 Application: GM Silverado/Sierra 6.6L LLY Vin 2 2004-2006 GM Express/Savana 6.6L LLY Vin...

GM Duramax Valve Cover Bolt Insulator - DEC011638 New High Quality Product by Bostech Molded from Heat & Oil Resistance Material Direct Fit Fitment Note: 14 Insulators per side 28 Insulators total per vehicle Included in valve cover gasket kit...

GM LLY Fuel Pressure Regulator MPROP - DEC011850 New Top Quality Product by Bostech Direct Fit, Ready to Install Also Known as MPROP or Fuel Control Actuator (FCA) Mounts on the High Pressure Fuel Pump Application: GM Silverado/Sierra 6.6L Duramax LLY...