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Welcome To Merchant Automotive—The Duramax Diesel Engine & Allison Transmission Performance Specialists You Can Count On!
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Silverado/Sierra
LB7 2001-2004
LLY 2004.5-2005
LBZ 2006-2007
LMM 2007.5-2010
LML 2011-2016
L5P 2017-2019
Colorado/Canyon
LWN 2.8L 2016+
Express/Savana
LLY Van 2006-2007
LMM Van 2008-2010
LGH Van 2010.5-2016
LWN Van 2.8L 2016+
99-07 Gas Truck Transfer Case
261HD Transfer Case
263HD Transfer Case
NP246 Transfer Case
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Express/Savana
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LGH Van 2010.5-2016
LGH Van 2010.5-2016
Air Intake, LGH Van
Brakes and Braking Systems, LGH Van
Cooling System, LGH Van
Diesel Fuel Additives, LGH Van
DIY Fabrication Parts, LGH Van
EGR Systems, LGH Van
Engine, LGH Van
Filters, LGH Van
Fuel System, LGH Van
Lift Pumps and Sumps, LGH Van
Oils, Fluids and Greases, LGH Van
Tools, LGH Van
Transmissions, LGH Van
Turbo, Exhaust and Emissions, LGH Van
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