



01+ GM 6.6L Duramax Diesel Rear Cover to Block Seal - Pair
$7.68
- Part Number: 10307
- Est. Ship Time: Usually Ships by Next Business Day

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Replace these when removing the rear engine cover to block. Seals water jackets.
Sold in pairs.

Replace these when removing the rear engine cover to block. Seals water jackets.
Sold in pairs...
$7.68
Factory flywheel bolts are torque to yield. That process stretches the bolt as it is tightened to spec. Because of this, the bolt must nev..
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The GM 97208191 Lower Turbo Oil Drain Gasket is an OEM replacement gasket for the turbocharger in your 2001-2010 GM 6.6L Duramax. This gasket is a gen..
$2.75
A faulty bleeder screw can cause a no start concern, a start and dies concern. Take a look at the pictures and you can see a stock bleeder screw that..
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Complete upper and lower engine gasket set for the LB7 Duramax.
Mahle part number: 953726 (replaces 95-3726VR).
Does not include head bolts/gaskets...
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Please double check VIN code before ordering. Driver Side Gasket Only.
403 (CID) 6.6L 32V Turbo Duramax Diesel Vin Codes:
-"1" (2001-2..
$120.99
Please double check VIN code before ordering. Passenger Side Gasket Only.
403 (CID) 6.6L 32V Turbo Duramax Diesel Vin Codes:
-"1" (200..
$120.99
Features & Benefits
Dorman’s Fuel Injection Return Line and Gasket effectively prevent leaks from forming between the fuel rails and fuel i..
$18.31
Rear Engine Cover, LB7/LLY/LBZ/LMM, 2001-2010
Please allow two to three days before shipment.
Part number: 12622693..
$448.71
Center Section to Turbine Housing V-Band Clamp for the HE341/HE351 turbo on 2003-2007 5.9L Cummins.
Number 23 from image ONLY. Does not include nut..
$61.32
Purchase the GM 97209342 Rear Main Seal for your GM 6.6L Duramax. The Rear Main Seal is a GM replacement component that is made to factory standards f..
$55.76
Set of eight(8) flex plate bolts for 1989 to 2018 5.9L & 6.7L Dodge Cummins with automatic transmission.
Cummins part number 3908522..
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01-07 GM 2500/3500 Trucks
Allison Dip Stick Tube
GM: 15019779 ..
$27.30
This gasket mounts on the oil cooler body, between elbow to rear cover.
Always replace this gasket if the elbow is removed from the oil cooler dur..
$40.04
Everything required to properly install the oil cooler on your Duramax. Fits 2001 - 2010 applicationsTrucks with newer style oil coolers m..
$57.81
This molded rubber gasket can harden over time. Any time the oil cooler is removed from the engine, this should be replaced to avoid leaks.
N..
$7.22
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 righ..
$136.15
NOTE: This upgrade kit MAY NOT BE COMPATIBLE with some aftermarket aluminum rear transfer case halves due to the inconsistent manufactu..
$110.75
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 to..
$138.18
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 alreadyFul..
$21.97
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 usi..
$11.82
Replace your damaged or stripped out bolts with new replacements. Sold in packs of 11. Services one side.Includes:Upper Valve Cover Bolt, LB..
$9.75
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 ea..
$241.19
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 c..
$33.14
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..
$2,771.68
The Merchant Automotive Deluxe Seal kit for the NP263XHD includes all the seals used throughout the transfer case to complete the proper reassembly af..
$69.92
Replace a 263XHD electronic shift four-wheel
drive transfer case found in 2001 to 2007 GM Duramax 6.6L
V8 diesel truck..
$2,771.68
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 r..
$220.18
The Merchant Automotive 263XHD Snap Ring Kit includes all ten snap rings required when replacing the snap rings inside the 263XHD transfer case during..
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Duramax Diesel
Transfer Case Upgrade Kit
To repair or prevent pump rub
failure on your Duramax diesel engine transfer case, use this Merch..
$100.25
Whether you are finishing off your Allison transmission rebuild or having to replace your factory rear adapter housing, this direct replacement adapte..
$1,020.65
Featuring a factory construction, the Mahle piston (standard, left bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle p..
$134.99
Featuring a factory construction, the Mahle Piston (Standard, Right Bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle ..
$134.99
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just a ..
$234.99
All on Backorder with No ETA (Updated on 3/7/25)
The Cometic C5883 MLS Head Gasket for your 2001-2007 GM 6.6L Duramax is comprised ..
Starting From $147.28
The Alliant AP0052 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. ..
$41.68
If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fastener Rod Bolts. ..
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Have you noticed more engine noise or vibration on your Duramax truck? If so it could mean that your engine mounts have failed. We have utilized these..
$269.99
Have you noticed more engine noise or vibration on your Duramax truck? If so it could mean that your engine mounts have failed. We have utilized these..
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Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The factory..
$378.95
DHD's heavy duty balancer installer is a must for customers installing aftermarket dampers. Unlike the OE balancer, most performance Duramax dampers a..
$325.00
These stainless steel up-pipes for the 2001-2004
6.6L LB7 Duramax engine are a great upgrade over the stock up-pipes. The
mandrel-bent up-pipes flow..
$189.99
The DTech DT660027 Valve Cover Gasket & Injector Installation Kit is the gasket kit you want to have when installing injectors in your 2001-2..
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The DTech DT660014 Valve Cover Noise Isolator Grommets are a direct replacement for the OE Isolators in your 2001-2004 GM 6.6L Duramax. With the ..
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Fits: 2001-2004 GM 6.6L Duramax LB7This GM Glow Plug is an exact replacement for your 2001-2004 GM 6.6L Duramax LB7. Replacing a damaged glow plug can..
$24.10
Fits: 2001-2004 GM 6.6L Duramax LB7 MAHLE GS33757 Valve Cover Gasket & Injector Seal Kit is an OEM replacement gasket kit for your 2001-2004 ..
$86.26