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Welcome to Merchant Automotive, your Duramax and Allison specialists!
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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 2010.5-2015
LWN Van 2.8L 2016+
99-07 Gas Truck Transfer Case
261HD Transfer Case
263HD Transfer Case
NP246 Transfer Case
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Silverado/Sierra
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LMM 2007.5-2010
LMM 2007.5-2010
Air Intake, LMM
Axle and Differential, LMM
Belts, Tensioners and Pulleys, LMM
Cooling System, LMM
DIY Fabrication Parts, LMM
EGR System, LMM
Engine, LMM
Exterior, LMM
Filters, LMM
Fuel System, LMM
Heating and Air Conditioning, LMM
Intercoolers and Pipes, LMM
Interior and Trim, LMM
Transfer Case, LMM
Transmissions, LMM
Tuning and Monitors, LMM
Turbo, Exhaust and Emissions, LMM
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