
01-2011 6.6L Duramax Diesel High Flow Updated LH Exhaust Manifold
$360.41
- Part Number: 12637647
- Est. Ship Time: Contact to Confirm Availability

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GM has introduced a new manifold that will flow better then the original OEM unit. Reduced pinch area near steering shaft for a nearly ideal flow. Greatly increased flow charecteristics over the original unit.
A great alternative to higher priced after market manifolds.
GM: 12637647

GM has introduced a new manifold that will flow better then the original OEM unit. Reduced pinch area near steering shaft for a nearly ideal flo..
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Diamond Eye Performance has developed a Turbo Direct pipe for the ’04- '010 Chevy/GM LLY, LBZ, & LMM Diesel Exhaust systems.
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Included in this base kit:
GM Grade C Right and Left Head Gaskets
36 New OEM Replacement Head Bolts
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GM Part number: 97227012..
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Start the custom fuel system in your 2001-2005 GM 6.6L Duramax with the PPE 113051000 Billet Aluminum Fuel Pickup Kit. Capable of handling fuel flow 3..
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The PPE Race Fuel Valve 113073000 for your 2004.5-2010 GM 6.6L Duramax & 2007.5-2016 Dodge 6.7L Cummins replaces stock or a shimmed pressure relie..
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PPEs Ported Fuel Rail Fitting replaces the restrictive stock fitting. Our fitting increases fuel flow volume from the CP3 pump to the fuel rail simply..
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01-16 Chevy 6.6L Duramax Diesel ARP Head Studs
ARP 01-16 Duramax Head Stud Kit 230-4201
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Duramax 180 Degree Rear ThermostatFOR 2001-2013 DURAMAX..
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Replace your stock drain plug with this Magnetic Drain Plug Magnetic to catch small debris and help extend fluid life. Kit contains a Magnetic Drain ..
$18.02
Discontinued (Updated 6/10/2024)
CONVERT YOUR 2003-2005
ALLISON 5 SPEED TO 6 SPEEDS
Drops 325 engine rpm @ 75 mph with 3.73 gears. Increases fuel..
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Remove the Stock Turbo Resonator with this cap to Clean up under your hood...
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10 pack of wheel well liner clips
Merchant part number: 10008..
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Pushlock billet aluminum construction and made by Glacier Diesel Power in the USA. 1/2" line size and tapped for 1/8" pressure senders. Grea..
$18.99
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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..
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Fits: 2001-2010 GM 6.6L DuramaxThe block heater cord is often the culprit for a non-operative block heater. The cord and its connection are susceptibl..
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Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMMThis GM Engine Oil Pan is a perfect GM replacement for the damaged oil pan in your 2001-2010 GM 6...
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Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM
This GM Flex Plate Bolt is an exact replacement for your 2001-2010 6.6L Diesel. The factory Fl..
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Backordered until 4/4/25 (Updated 1/30/2025)
Fits: 2001-2016 GM 6.6L Duramax
Replaced your faulty element with the GM Block Heater Element. This..
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The GM 12624683 Replacement Passenger Side Exhaust Manifold is a direct replacement for your 2001-2016 GM 6.6L Duramax. Over time, due to heat cy..
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Fits: 2001-2022 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5PThis GM starter Mounting Bolt is built to hold the high torque starter in place on your 20..
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Fits: 2004.5-2005 GM 6.6L Duramax LLYThis GM EGR Cooler is the perfect component for your 2004.5-2005 GM 6.6L Duramax LLY. Using factory gaskets provi..
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Fits: 2004.5-2005 GM 6.6L Duramax LLYThis GM 97318478 EGR Tube To EGR Valve Gasket is the perfect component for your 2004.5-2005 GM 6.6L Duramax. This..
$19.05
Fits: 2004.5-2005 GM 6.6L Duramax LLYThis GM 97303656 EGR Tube To EGR Valve Gasket is the perfect component for your 2004.5-2005 GM 6.6L Duramax LLY. ..
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Fits: 2004.5-2016 GM 6.6L Duramax LLY/LBZ/LMM/LML
This GM Injector Hold Down Bolt is built to tightly hold the injector in place on your 2004.5-201..
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Reseal the EGR system in your 2006-2007 GM 6.6L Duramax with the GM 97372002 EGR Cooler To Up-Pipe Gasket. Using factory gaskets provides you wit..
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Fits: 2011-2016 GM 6.6L Duramax LMLThis Gasket is an OEM replacement and has a direct-fit installation. Valve to Y-bridge gasket. 2 Required per ..
$11.12
Replace your MAP plug & pigtail with this OE replacement connector kit.
Includes pre-wired plug with pigtails and butt connectors so you ca..
$47.79
Replace your MAP sensor on your 2011-2016 Duramax with this genuine OE MAP sensor from GM.
APPLICATION NOTES
2011-2016 6.6L LML & LGH Durama..
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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..
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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 ..
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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 ..
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All on Backorder with No ETA (Updated on 1/21/2025)
The Cometic C5883 MLS Head Gasket for your 2001-2007 GM 6.6L Duramax is compris..
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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. ..
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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..
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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..
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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..
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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
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mandrel-bent up-pipes flow..
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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..
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