We are experiencing product shortages and longer than expected lead times on many items. Please email us with questions. Thank you for your patience and support.
We are experiencing product shortages and longer than expected lead times on many items. Please email us with questions. Thank you for your patience and support.
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  • Duramax
    • Duramax 2001-2004 LB7
      • EFI Live Custom Tuning
      • Intakes
      • Exhaust System
      • Fuel System
      • Engine Components
      • Turbochargers
      • Electronics/Monitors
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    • 1999-2003 7.3L Powerstroke
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WCFAB Master Cylinder Cover for 2001-2019 Duramax
WCFAB Master Cylinder Cover for 2001-2019 Duramax
Sale
from $125.13

WCFAB Master Cylinder Cover for 2001-2019 Duramax

WCFAB

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from...

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Duramax Billet Block Off Plate 2001-2017
Duramax Billet Block Off Plate 2001-2017
$55.00

Duramax Billet Block Off Plate 2001-2017

Fleece

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 ...

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Fleece Performance Billet Oil Cap for Duramax
Fleece Performance Billet Oil Cap for Duramax
$41.99

Fleece Performance Billet Oil Cap for Duramax

Fleece

Dress up your engine bay with our billet aluminum oil cap for your Duramax.  Includes O-Ring and Cam-lock, and is a drop in replacement for your O...

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ARP Diesel Head Stud Kit 230-4201 2001-2016 Duramax
$615.44

ARP Diesel Head Stud Kit 230-4201 2001-2016 Duramax

ARP

To prevent expensive cylinder head damage and head gasket failure, be sure to add ARP head studs when upgrading or rebuilding the Duramax diesel i...

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DieselRX Glow Plug for 2001-2016 Duramax
$12.99

DieselRX Glow Plug for 2001-2016 Duramax

AirDog

This plug is a self-regulating design which allows for fast and safe startups. This engine uses eight glow plugs.  1 Year Unlimited Mileage Warrant...

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CSF Chevrolet/GMC Duramax 6.6L Intercooler
CSF Chevrolet/GMC Duramax 6.6L Intercooler
$899.00

CSF Chevrolet/GMC Duramax 6.6L Intercooler

CSF

TURBO DIESEL CHARGE-AIR-COOLERS Bring on the BOOST!! Heavy duty bar & plate construction All-aluminium cast endtanks “Drop-in” fit requirin...

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MA High Performance Motor Mounts, LB7 LLY LBZ LMM, 2001-2010, Duramax
MA High Performance Motor Mounts, LB7 LLY LBZ LMM, 2001-2010, Duramax
$388.98

MA High Performance Motor Mounts, LB7 LLY LBZ LMM, 2001-2010, Duramax

Merchant Automotive

These high performance Duramax motor mounts have been designed to maintain the alignment features of stock mounts while adding strength and dura...

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WCFAB 2001-2010 Duramax HD Engine Mounts
WCFAB 2001-2010 Duramax HD Engine Mounts
Sale
from $406.43

WCFAB 2001-2010 Duramax HD Engine Mounts

WCFAB

Powdercoat colors can be found here!     2001-2010 LB7/LLY/LBZ/LMM Duramax Heavy Duty Engine Mounts developed and tested for use on high horse...

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Wagler COMP RACE Duramax 1,200+ HP Neutral Balanced Rotating Assembly
$13,930.58

Wagler COMP RACE Duramax 1,200+ HP Neutral Balanced Rotating Assembly

Wagler Competition Products

This package includes an internally balanced Callies Performance Products billet crankshaft, Ross pistons with dual spiral clips, Totalseal Piston ...

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Wagler STREET STRIP Duramax 1,200 HP Neutral Balanced Rotating Assembly
$12,196.20

Wagler STREET STRIP Duramax 1,200 HP Neutral Balanced Rotating Assembly

Wagler Competition Products

This package includes an internally balanced Callies Performance Products billet crankshaft, Mahle pistons with piston rings and wrist pins, Wagler...

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Wagler Duramax Connecting Rod
Wagler Duramax Connecting Rod
$2,645.00

Wagler Duramax Connecting Rod

Wagler Competition Products

Standard Duramax Crank - Standard Duramax Pin > Factory Replacement Rod WCP/Callies Crank - Standard Duramax Pin > Callies Crank Journal wi...

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Wagler Duramax As-Forged Street Connecting Rod
$1,700.00

Wagler Duramax As-Forged Street Connecting Rod

Wagler Competition Products

The affordable Wagler Duramax As-forged Street connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forg...

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Like many online stores, your item may drop-ship via a distributor. Shipping speeds are subject to change & the shipping service you choose may not be the same service your item ships via. We will try to take shipping speeds into consideration. Certain items, such as custom powder-coated products, carry a lead time. If you need something quickly. Please email us at sales@underdog-diesel.com

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