Merchant Automotive

Merchant Automotive

Adding high-power performance parts or bullet-proofing parts to your mighty Duramax build is all well and good, but there's a ton of small parts that you ought to replace while you're at it. Merchant Automotive has a bunch of different Duramax bulletproofing and performance kits that also include all of the gaskets, seals, hardware, and replacement clips you need to get the reliability and dependability that your mean Duramax truck actually deserves. Merchant has fuel injector install kits, head gasket install kits, turbo install kits, and other complete small parts kits for basically any performance part you want to install on your Duramax build.
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Merchant 12651989 Automotive Left Hand Fuel Rail | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Merchant 12651989 Automotive Left Hand Fuel Rail | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Merchant Automotive

Merchant 12651989 Automotive Left Hand Fuel Rail | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: MAT12651989
Price
$499.93
Merchant 10772 Transfer Case Pump Combo | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10772 Transfer Case Pump Combo | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10772 Transfer Case Pump Combo | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10772
Price
$509.64
Merchant 10604 263XHD Transfercase | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10604 263XHD Transfercase | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10604 263XHD Transfercase | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10604
Price
$2,299.84
Merchant 10369 ZF6 Transmission Rear Housing Support | 2001-2006 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10369 ZF6 Transmission Rear Housing Support | 2001-2006 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10369 ZF6 Transmission Rear Housing Support | 2001-2006 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10369
Price
$149.63
Merchant 10357 Transmission Rear Housing Support | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10357 Transmission Rear Housing Support | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10357 Transmission Rear Housing Support | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10357
Price
$149.63
Merchant 10304 Stainless Steel Tie Rod Sleeves | 2011-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10304 Stainless Steel Tie Rod Sleeves | 2011-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10304 Stainless Steel Tie Rod Sleeves | 2011-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10304
Price
$94.72
Merchant 10184 Pushrod Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10184 Pushrod Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10184 Pushrod Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10184
Price
$299.92
Merchant 10058 Injector Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 10058 Injector Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 10058 Injector Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT10058
Price
$199.72
Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10001
Price
$77.63
Merchant 10017 Intake Tube Seal Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax
Merchant 10017 Intake Tube Seal Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10017 Intake Tube Seal Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax

SKU: MAT10017
Price
$21.64
Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT97327722
Price
$7.24
Merchant 10196 Automotive Upper Valve Cover Bolt Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 10196 Automotive Upper Valve Cover Bolt Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 10196 Automotive Upper Valve Cover Bolt Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT10196
Price
$9.72
Merchant 10803 New Fuel Injectors w/ Deluxe Install Kit (Set of 8) | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7
Merchant 10803 New Fuel Injectors w/ Deluxe Install Kit (Set of 8) | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 10803 New Fuel Injectors w/ Deluxe Install Kit (Set of 8) | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT10803
Price
$3,599.64
Merchant 10802 Set of 8 LB7 Injectors with Basic Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 10802 Set of 8 LB7 Injectors with Basic Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 10802 Set of 8 LB7 Injectors with Basic Install Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT10802
Price
$2,844.64
Merchant 10801-8 Set of 8 LB7 Replacement Injectors | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 10801-8 Set of 8 LB7 Replacement Injectors | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 10801-8 Set of 8 LB7 Replacement Injectors | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT10801-8
Price
$2,669.64
Merchant HV074 B19 Transfer Case Chain | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant HV074 B19 Transfer Case Chain | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant HV074 B19 Transfer Case Chain | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MATHV074
Price
$164.34
Merchant 97312341 Upper Valve Cover Gasket | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 97312341 Upper Valve Cover Gasket | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 97312341 Upper Valve Cover Gasket | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT97312341
Price
$47.72
Merchant 930029875 De-Lipped Motorsport Piston Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 930029875 De-Lipped Motorsport Piston Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 930029875 De-Lipped Motorsport Piston Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT930029875
Price
$1,832.72
Merchant 63G Glow Plug | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Merchant 63G Glow Plug | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Merchant Automotive

Merchant 63G Glow Plug | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: MAT63G
Price
$39.93
Merchant 29531106 Allison T4 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 29531106 Allison T4 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 29531106 Allison T4 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT29531106
Price
$13.33
Merchant 22110 Flywheel Lock | 2001-2016 GM 2500HD/3500HD 6.6L Duramax
Merchant 22110 Flywheel Lock | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 22110 Flywheel Lock | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

SKU: MAT22110
Price
$16.72
Merchant 29531090 Allison T2 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 29531090 Allison T2 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 29531090 Allison T2 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT29531090
Price
$13.33
Merchant 29531095 Allison 1000 T3, T5 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 29531095 Allison 1000 T3, T5 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 29531095 Allison 1000 T3, T5 Bearing | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT29531095
Price
$14.34
Merchant 121002A Allison 5 Speed Overhaul Kit W Pistons | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 121002A Allison 5 Speed Overhaul Kit W Pistons | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 121002A Allison 5 Speed Overhaul Kit W Pistons | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT121002A
Price
$779.63

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