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Merchant Automotive Duramax Head Gasket Kit - LBZ

$299.00 - $1,209.00

Valve Seal: Required

Head Bolts: Required

Head Gaskets: Required

Due to daily fluctuating stock levels, please call (616) 772-9551 for time sensitive orders.

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Product Information

LBZ Duramax Head Gasket Kit

If you are replacing blown head gaskets or rebuilding an LBZ Duramax diesel engine, you are going to need quite a few parts to get the job done. A Duramax head gasket job is not a task for the average driver, so you will want to ensure you have all of the right components for your mechanic. Merchant Automotive has put together a complete LBZ Duramax Diesel engine head gasket kit to include everything you need to get the job done. Featuring OEM and performance parts, this kit will ensure that your LBZ’s head gaskets perform better than your factory gaskets did. This all-in-one kit will feature everything you need to replace the head gaskets in an LBZ Duramax diesel engine.


  • All In One Kit
  • Restores & Upgrades
  • OEM & Performance Parts Included


  • OEM/GM Gaskets
  • Thoroughly Researched Kit
  • Threadlocker Included

Symptoms Of A Blown Duramax Head Gasket

A blown head gasket can easily total out any vehicle, including a Duramax diesel engine equipped truck. However, an engine can be repaired with the correct parts and tools by someone who is any experienced mechanic. Some of the most common symptoms of a blown head gasket will include:

  • White Smoke Coming From Tailpipe
  • Unexplained Coolant Loss With No Leaks
  • Milky White Coloration Of The Oil
  • Engine Overheating
  • Coolant Bubbling In Radiator & Coolant Reservoir
  • Coolant Streaks Near Gaskets

What Is Included In The Kit?

  • (1) - Intake Tube Seal Kit, LBZ LMM 2006-2010 Duramax, Sold as one pair
  • (1) - Injector Copper, LLY LBZ LMM LML, 2004.5+, Pack of 8
  • (1) - LLY LBZ Injector Body Seal Kit, 2004.5-2007 Duramax, 8 Pack
  • (1) - Upper Bypass Pipe Seal at Thermostat Housing, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
  • (1) - Bypass Pipe Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
  • (2) - Gasket - Exhaust Manifold To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
  • (2) - Gasket - Turbo To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
  • (1) - Lower Turbo Drain Gasket, LB7 LLY LBZ LMM, 2001-2010 Duramax
  • (1) - Turbo Oil Feed Line Gasket, LB7, 2001-2004 Duramax
  • (2) - Upper Valve Cover Gasket, LLY LBZ LMM, 2004.5-2010 Duramax
  • (2) - Intake Y Bridge Gasket, LBZ LMM LML LGH, 2006-2016 Duramax
  • (1) - Gasket - EGR Tube To EGR Valve LBZ LMM, 2006-2010 Duramax
  • (1) - Gasket, EGR Tube to EGR, LBZ LMM, 2006-2010 Duramax
  • (1) - Gasket - EGR Cooler To Up Pipe, LBZ 2006-2007 Duramax
  • (1) - RTV Sealant, High Temp, Aluminum, 2.8oz LB7 LLY LBZ LMM LML, L5P 2001-2019 Duramax
  • (1) - Upper Radiator Pipe Seal, LB7 LLY LBZ LMM, 2001-2010 Duramax
  • (2) - Thermostat Housing Crossover At Head Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
  • (1) - Oil Fill Tube Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
  • (2) - Exhaust Manifold Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
  • (1) - Heater Pipe Seal, LB7 LLY LBZ, 2001-2007 Duramax
  • (1) - Intake Gasket, LBZ LMM, 2006-2010 Duramax
  • (2) - Lower Valve Cover Gasket LLY LBZ LMM LML

Reviews & Questions