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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
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Silverado/Sierra
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LMM 2007.5-2010
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Transmissions, LMM
Transmissions, LMM
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Filters, Fluids and Pans, LMM
Gaskets and Seals, LMM
Hard Parts, LMM
Lines, Kits and Coolers, LMM
MAximum Transmissions, LMM
Overhaul Kits, LMM
Torque Converters, LMM
Transmission Upgrade Parts, LMM
Valve Body and Electrical, LMM
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