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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
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LWN 2.8L 2016+
Express/Savana
LLY Van 2006-2007
LMM Van 2008-2010
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LWN Van 2.8L 2016+
99-07 Gas Truck Transfer Case
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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
Brakes and Braking Systems, LMM
Cooling System, LMM
Diesel Fuel Additives, LMM
DIY Fabrication Parts, LMM
EGR Systems, LMM
Engine, LMM
Exterior, LMM
Filters, LMM
Fuel System, LMM
Heating and Air Conditioning, LMM
Intercoolers and Pipes, LMM
Interior and Trim, LMM
Lift Pumps and Sumps, LMM
Oils, Fluids and Greases, LMM
Steering, LMM
Suspension Systems, LMM
Tools, LMM
Transfer Case, LMM
Transmissions, LMM
Tuning and Monitors, LMM
Turbo, Exhaust and Emissions, LMM
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