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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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Choose Your Truck
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Silverado/Sierra
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LB7 2001-2004
LB7 2001-2004
Air Intake, LB7
Axle and Differential, LB7
Belts, Tensioners and Pulleys, LB7
Brakes and Braking Systems, LB7
Cooling System, LB7
Diesel Fuel Additives, LB7
DIY Fabrication Parts, LB7
Engine, LB7
Exterior, LB7
Filters, LB7
Fuel System, LB7
Heating and Air Conditioning, LB7
Intercoolers and Pipes, LB7
Interior and Trim, LB7
Lift Pumps and Sumps, LB7
Lighting, LB7
Oils, Fluids and Greases, LB7
Steering, LB7
Suspension Systems, LB7
Tools, LB7
Transfer Case, LB7
Transmissions, LB7
Tuning and Monitors, LB7
Turbo, Exhaust and Emissions, LB7
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