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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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LLY Van 2006-2007
LLY Van 2006-2007
Air Intake, LLY Van
Belts, Tensioners and Pulleys, LLY Van
Brakes and Braking Systems, LLY Van
Cooling System, LLY Van
Diesel Fuel Additives, LLY Van
DIY Fabrication Parts, LLY Van
EGR Systems, LLY Van
Engine, LLY Van
Filters, LLY Van
Fuel System, LLY Van
Heating and Air Conditioning, LLY Van
Lift Pumps and Sumps, LLY Van
Oils, Fluids and Greases, LLY Van
Transmissions, LLY Van
Tuning and Monitors, LLY Van
Turbo, Exhaust and Emissions, LLY Van
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