



01-10 GM 6.6L Duramax Oil Cooler Install Kit
$57.81
- Part Number: 10263
- Est. Ship Time: Usually Ships By Next Business Day

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Starting From $136.15
Starting From $138.18
Everything required to properly install the oil cooler on your Duramax. Fits 2001 - 2010 applications
Trucks with newer style oil coolers may require the additional GM 12631281 Oil Cooler to block seal that is available through your local GM dealer.
Merchant Automotive: 10263

Discontinued (Updated 5/19/25)
The engine oil cooler is not typically a component that goes bad, but should be replaced after any catastrophic engi..
$0.00
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..
$2.50 $2.75
Replace these when removing the rear engine cover to block. Seals water jackets.
Sold in pairs...
$7.68
Rear Engine Cover, LB7/LLY/LBZ/LMM, 2001-2010
Please allow two to three days before shipment.
Part number: 12622693..
$403.85 $448.71
01-07 GM 2500/3500 Trucks
Allison Dip Stick Tube
GM: 15019779 ..
$26.25 $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..
$36.05 $40.04
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..
$53.60 $55.76
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..
$6.50 $7.22
Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams..
$24.95
Spin on filter for Allison 1000 / 2000 / 2400 series transmission
Allison: 29539579Does not include magnet!! Magnet part: MS 29535617..
$16.21
Features:• High flow rates and outstanding filtration• Direct stock replacement for easy installationThe Pro Guard D2 transmission filter represents t..
$49.00
NOTE: You may receive transynd 668 as an alternative due to supply issues. This alternative has been approved by Allison themselves. The All..
$59.69
Max-Flow High Performance Water Pump Kit
Fits 2001-2005 Silverado/Sierra LB7/LLY Duramax
Part# MAX-HPWP-0105
The Max-Flow High Performance Wa..
$409.76
Upgrade your rear engine cover and stop the coolant leaks for good!
Our blocking plate is thicker than the stock plate and has an integral square c..
$55.00
Creates a tight seal between the Exhaust Manifolds and 6.6L GM Duramax engine. Two piece kit features multi-layered 301 stainless steel, PPE Manifold ..
$19.79
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..
$61.75
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..
$93.92
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 ..
$161.47
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 4/30/25)
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. ..
$41.42
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. ..
$209.99
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..
$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..
$269.99
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..
$73.84
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 ..
$38.43
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..
$21.70 $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 ..
$90.83