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Merchant Automotive

Merchant Automotive offers custom high performance parts for the 6.6L Duramax Diesel.

Brand: Merchant Automotive Part Number: 10548
Replace the water pump on your 2001 to 2005 Duramax Silverado or Sierra truck with this kit that includes all the gaskets and seals to do the job right!Kit Includes: Water PumpWater Pump to Engine Cover SealWater Pump to Cover Seal Bypass Pipe SealUpper Bypass Pipe SealWater Pump Outlet Ga..
$189.99
Brand: Merchant Automotive Part Number: 10382
NOTE: This upgrade kit MAY NOT BE COMPATIBLE with some aftermarket aluminum rear transfer case halves due to the inconsistent manufacturing tolerances seen in them, verify correct fitment prior to installation.Duramax Diesel Transfer Case Upgrade KitTo repair or prevent pump rub failu..
$108.24
Brand: Merchant Automotive Part Number: 10520
Over time and miles the injectors become heavily coated with carbon between the tip and sleeve causing them to stick together. When using a factory tool it rocks the injector binding it into the sleeve and will only pop up about 1/16 of an inch, by the time the injector is removed from the head the ..
$123.45
Brand: Merchant Automotive Part Number: 10457
Note: May not work if you have a tune installed in the truckWill not work with the medium duty trucks as there is a built in High Idle alreadyFull manual control of the elevated idle on your Duramax truck is possible with our High Idle Kit.Operation is simple using only your cruise switch, no e..
$18.95
Brand: Merchant Automotive Part Number: 10204
Use our improved lower valve cover bolt kit with a hex bolt instead of the allen head bolt that is sometimes hard to get a socket or wrench on. By using our bolts, you will better be able to service your engine.Set of 12 bolts. Services one sideIncludes:LOWER VALVE COVER BOLT LB7-Each #M6C30BF10P/DP..
$11.40
Brand: Merchant Automotive Part Number: 10196
Replace your damaged or stripped out bolts with new replacements. Sold in packs of 11. Services one side.Includes:Upper Valve Cover Bolt, LB7, 2001-2003, Each #91290A323Part number: 10196..
$9.49
Brand: Merchant Automotive Part Number: 10549
Water pumps are common wear items not only in Duramax trucks but in all vehicles. A failing pump can cause catastrophic damage if not taken care of early. The water pump is what is responsible for keeping coolant flowing throughout your engine, keeping it cool. As your Duramax gets older, the factor..
$284.99
Brand: Merchant Automotive Part Number: 22049
This is the rear output seal for NP261XHD and NP263XHD transfer cases with an integrated boot.What is a Transfer Case "Pump Rub" Failure?GM transfer cases used from 1998 through early 2007 use a gear pump inside the case that is driven off the mainshaft. The pump forces oil to the planetary as well ..
$42.74
Brand: Merchant Automotive Part Number: 10603
The transfer case on your Duramax truck transfers power from the transmission to the front and rear axles by the use of driveshafts. When a transfer case fails, or starts failing, you will lose performance or functionality of your four wheel drive. Replacing your 261XHD transfer case is a job yo..
$1,799.95
Brand: Merchant Automotive Part Number: 10468
The Merchant Automotive Deluxe Seal kit for the NP263XHD includes all the seals used throughout the transfer case to complete the proper reassembly after a transfer case rebuild or major overhaul.KIT INCLUDES: A23 Speed Sensor Seal (#10238 qty. 1)A13 Rear Output Seal (#22049 qty. 1)Tr..
$59.99
Brand: Merchant Automotive Part Number: 10604
Replace a 263XHD electronic shift four-wheel drive transfer case found in 2001 to 2007 GM Duramax 6.6L V8 diesel trucks with this brand new one from Merchant Automotive - No core charge! This transfer case is backed by a Merchant Automotive 2-year Unlimited..
$1,799.95
Brand: Merchant Automotive Part Number: 10464
The Merchant Automotive Deluxe Bearing and Seal kit for the NP263XHD includes all the bearings and seals throughout the transfer case as well as low range shift fork pads and wear pads for the planetary gearset. If you are wanting to completely refresh your transfer case after any kind of no fluid s..
$173.99
Brand: Merchant Automotive Part Number: 10068
The Merchant Automotive 263XHD Snap Ring Kit includes all ten snap rings required when replacing the snap rings inside the 263XHD transfer case during a complete rebuild. To make identifying and installing the snap rings easier they are each individually packaged and labeled. One kit includes all th..
$47.49
Brand: Merchant Automotive Part Number: 10057
Duramax Diesel Transfer Case Upgrade Kit To repair or prevent pump rub failure on your Duramax diesel engine transfer case, use this Merchant Automotive Duramax transfer case upgrade kit with performance transfer case fluid. This kit will give you everything you need to help prevent fu..
$94.99
Brand: Merchant Automotive Part Number: 10552
Whether you are finishing off your Allison transmission rebuild or having to replace your factory rear adapter housing, this direct replacement adapter housing kit can help get the job done. Manufactured to OEM specs for a factory-like fit, this Allison 1000 Rear Adapter Housing is going to allow yo..
$937.39
Brand: Merchant Automotive Part Number: 10015
Replacement clips for joining upper and lower fan shrouds.Part number: 10015..
$4.74
Brand: Merchant Automotive Part Number: 10417
Replace your worn factory front bump stops. The factory bump stops or jounce bumpers located on the frame just above the front lower control arm tend to wear out or even fall out with age.The purpose of these are to act as a secondary dampener by controlling movement as the front suspension compress..
$80.70
Brand: Merchant Automotive Part Number: 10092
The Merchant Automotive 10092 Torque Converter Bolt Kit are a high-quality replacement for the stripped or snapped converter bolts in your 2001-2016 GM 6.6L Duramax. This converter bolt kit will work with stock and most aftermarket applications.  FEATURES:Quality Tested(6) Bolts IncludedDi..
$12.30
Brand: Merchant Automotive Part Number: 10810
Front and Rear Engine Crankshaft Seal InstallersIncludes:Main Crank Seal Driver, Front, Duramax #10328Main Crank Seal Driver, Rear, Duramax #10330Front Main Seal, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018 Duramax #97209341Rear Main Seal, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018 Duramax #97209342Part numb..
$296.90
Brand: Merchant Automotive Part Number: 10358
Many service jobs on the Duramax require removal of the fan clutch. Without the right tool, removal can be difficult and damage to the nut can occur. Our fan clutch wrench makes for simple removal and includes a pocket to accept an air hammer bit for added convenience.Part number: 10358..
$37.99
Brand: Merchant Automotive Part Number: 22110
A very handy tool. Hold the flywheel in place without removing the starter! Part number: 22110..
$16.95
Brand: Merchant Automotive Part Number: 10328
Merchant Automotive Front Main Crank Seal DriverPart number: 10328..
$150.00
Brand: Merchant Automotive Part Number: 10330
Merchant Automotive Rear Main Crank Seal DriverPart number: 10330..
$150.00
Brand: Merchant Automotive Part Number: 10348
Includes:M12 X 1.5METRIC ALLEN HEAD PLUG #HPT9029-12X1.53/8MJIC XM14 X1.5 MALE METRIC #HPT9068-6-141/4 MNPT X 3/8 MJIC STEEL ADAPT #HPT0103-4-6PARFLEX 3/8 SS TFE Hose, 2500 PS, -6, Per Foot #919-6PARFLEX 3/8 FJIC X 3/8 FITTING  #10691N-6-6PARFLEX 3/8 FJIC 90 EL X 3/8 SS #13991N-6-6Part num..
$94.95
Brand: Merchant Automotive Part Number: 10219
Simply thread the T-Handles into any GM torque converter using 10 x 1.5mm converter bolts to get a firm grip that makes it easier to install heavy converters in closed bell housings. No more danger of it slipping out of your hands or cutting your self on the bell housing.Part number: 10219..
$56.99
Brand: Merchant Automotive Part Number: 10089
On the rear of the Duramax Diesel trucks from 2001-2018, there is a coolant block off plate. The factory plate is made from cast aluminum and features a gasket for the mating surface. This plate is prone to coolant leakage due to warpage or gasket failure over the years. Merchant Automotive has reco..
$61.75
Brand: Merchant Automotive Part Number: 10690
Filter lock is designed to be used with Allison brand deep pans. A filter lock is not needed on most cast pans, example PPE, Mag-Hytec, and filter lock may interfere with cast pan installation. Redesigned to fit both the old (29537966) and new (29542824) style Allison deep pan filter.&n..
$25.60
Brand: Merchant Automotive Part Number: 10685
**Discontinued**Transmission leaking by wire harness? This is usually the issue.With age the seal can degrade and allow fluid to get into the connection. This can cause erratic transmission operation, possible codes, and even force the transmission to go into "limp" mode.This is an easy to install f..
$0.00
Brand: Merchant Automotive Part Number: 10371
When it comes to installing the front and rear main seals on your Duramax Diesel engine, you are going to need the right tools for the job. Without the correct tools, you can misalign your seals, causing future leaks that will need to be addressed. Merchant Automotive has recognized the need for..
$189.99
Brand: Merchant Automotive Part Number: 10458
Note: May not work if you have a tune installed in the truckWill not work with the medium duty trucks as there is a built in High Idle alreadyFull manual control of the elevated idle on your Duramax truck is possible with our High Idle Kit.Operation is simple using only your cruise switch, no e..
$18.95
Brand: Merchant Automotive Part Number: 10480
The Duramax LLYs have an issue with the injector harness on #7 and #2 going bad, and leaving you stranded on the side of the road! This replacement takes care of the problem.Part number: 10480..
$37.99
Brand: Merchant Automotive Part Number: 10522
Unique design saves time.Reduce the components that need to be removed to performe service of sensor.Swinging handle for increase mobility.Compact socket head to fit tight spaceRemoving and replacing the Duramax fuel rail pressure sensor switch is difficult when using standard wrenches and sockets. ..
$85.45
Brand: Merchant Automotive Part Number: 10406
Replacement O ring seal fits in lower hose at connection to radiator. A leak at this spot is commonly just the seal and does not require replacement of the entire hose assembly. GM used 2 different size o-rings, this Lower radiator pipe o-ring kit comes with both to ensure you have the one..
$8.50
Brand: Merchant Automotive Part Number: 10017
Reseal the base of the intake tube at the y-bridge in a 2006 to 2010 GM Duramax 6.6L V8 exhaust system with this high quality replacement o-ring seal.NOTE : Sold as a pair. 2 seals are required per engine. Includes Intake Tube Seal, LBZ/LMM, 2006-2010Part number: 10017..
$28.49
Brand: Merchant Automotive Part Number: 10091
Complete kit of stainless steel glow plug deletesIncludes:Glow Plug Delete Kit LBZ LMM LML L5P, 2006-2016 Duramax Part number: 10091..
$125.00
Brand: Merchant Automotive Part Number: 10459
All the seals needed to rebuild your leaking fuel filter head!2- U Shaped Seals3- Internal seals (one seal is selective and will not be used)1- Bleeder screw sealIncludes:1x Large FF Head Seal #V104011x Medium FF Head Seal #101892x U-Cup Seal #101911x O-Ring for Bleeder Screw #V217731x Large FF Head..
$18.99
Brand: Merchant Automotive Part Number: 10368
On 2011-2016 Duramax diesel engines, the fuel filter head location makes it very difficult to get to the fuel filter as the valve cover is in the way. This can make fuel filter servicing jobs take longer than expected, causing unnecessary frustration for simple maintenance work. GM designed a step i..
$10.44
Brand: Merchant Automotive Part Number: 10304
Under extreme use tie rods can bend or even break, leaving you stuck. Sold in a pair, these easy to install sleeves thread onto the inner tie rod making it nearly impossible to break or bend.Made from high quality Stainless steel for long lasting good looks, but more importantly, easy to service. Th..
$90.24
Brand: Merchant Automotive Part Number: 10512
Under extreme use tie rods can bend or even break, leaving you stuck. Sold in a pair, these easy to install sleeves thread onto the inner tie rod making it nearly impossible to break or bend.  Made from high quality Stainless steel for long lasting good looks, but more importantly, easy to..
$75.99
Brand: Merchant Automotive Part Number: 37000
Set includes six sizes: 5/16", 3/8", 1/2", 5/8", 3/4" and 7/8".This set includes both sizes needed to service the quick connect fittings found on a Duramax enginePart number: 37000..
$10.00
Brand: Merchant Automotive Part Number: 10352
Merchant Automotive Seal Driver Handle for use with Merchant Engine Seal Driver Kt.Part number: 10352..
$24.95
Brand: Merchant Automotive Part Number: 10170
Dress things up under your hood by deleting your resonator!  Get rid of that big black factory box and replace it with this CNC machined delete plate engraved with the word Duramax!  Crafted with quality engineering from 6061 high grade aluminum, our #10170 LML Turbo Resonator Delete Cap is a nice ..
$37.99
Brand: Merchant Automotive Part Number: MS 8x 11610965
Factory flywheel bolts are torque to yield.  That process stretches the bolt as it is tightened to spec.  Because of this, the bolt must never be reused.    Bolts are sold as set of 8. 8 REQUIRED per engine. ..
$35.50
Brand: Merchant Automotive Part Number: 10251
Needed for LLY, LBZ, LMM, LML New AcDelco Glow Plugs. Set of Eight. These nuts take a 7mm wrench. New LB7 glow plugs come with nuts.Part number: 10251..
$3.75
Brand: Merchant Automotive Part Number: 10307
Replace these when removing the rear engine cover to block.  Seals water jackets.    Sold in pairs...
$6.90
Brand: Merchant Automotive Part Number: MS 98002804
1 Gasket only.2 needed. GM part number: 98002804..
$38.00
Brand: Merchant Automotive Part Number: MAT 1010x
Included in the Base kit:OEM Grade C Right and Left Head Gaskets 36 New OEM Replacement Head Bolts Upper valve cover gaskets (now included in kit) All Needed Seals And GasketsOther kits available above with additional listed parts.NOT INCLUDED in the kit :Lower thin steel valve cover ..
$732.75
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