LLY Duramax Parts

Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD, 2001–2013 Chevrolet Suburban 2500 / GMC Yukon XL 2500, 2003–2009 Hummer...

Fits: 2001–2010 Chevy/GMC 1500HD, 2500HD, 3500HD, 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This package is designed for truc...

KC Balanced Assembly Features & Details: Drop In Ready Balanced and Ready To Install Upgraded 360 Thrust Bearing Increases Air Flow Lower EGT...

XDP Model XD372 The XDP Custom Fender Cover XD372 offers the ultimate in paint protection when wrenching on your truck. Manufactured from a high-q...

XDP Model XD344Put the XDP Billet Coolant Block-Off Plate XD344 in your 2001-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the r...

s362 sxe turbocharger

s472 turbocharger smeding diesel

Smeding Diesel S366 SXE Turbocharger

Faster Spool Lower EGTS Better top end performance Stronger Material DIY Products Are NOT Covered Under Warranty Description: Our drop in GT...

XDP Model XD224Don't just replace the failing alternator in your 2001-2007 GM 6.6L Duramax, upgrade it with the XDP Direct Replacement High Output ...

XDP Model XD137The XDP WIF Sensor delete plug XD137 is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WI...

Cognito Part # - 110-90244Adds length of the front shocks for leveling applications where Cognito upper control arms and stock shocks are used. Thi...

Cognito Part # - 210-90263Designed to reduce body roll so you have better vehicle control and greatly improves traction for safer driving.These HD ...

Cognito Part # - 110-90269Torsion bar keys are used to set the ride height of the front of the truck and are commonly used in leveling kits, and it...

Cognito Part # - 110-P0753The Cognito 3 Inch Performance Leveling Kit contains everything you need to level your truck or SUV with high quality com...

Cognito Part # - 110-90591This kit consists of torsion bar keys and shock extenders to be used with OE or OE length shocks.This Part Fits: Year Ma...

Cognito Part # - 110-90190This bracket adds the upper driver side mount back to the front differential.The bracket is formed and fabricated with a ...

FOX Part # - 987-24-074Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort wi...

Cognito Part # - 110-90278This bracket provides additional clearance around the CV head on Cognito drivelines by relocating the shift linkage. Made...

Cognito Part # - 210-90222The idler pivot is what the idler arm mounts to and pivots about, and the OEM idler pivot has issues with bending the sha...

Cognito Part # - 210-91024Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 01-16 Silverado/Sierra 2500HD/3500HD Duramax. This direct...

FOX Part # - 987-24-075Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort wi...

Cognito Part # - 110-90715Pitman and Idler arms have been an inherent wear problem within the steering systems of Chevy and GMC trucks and SUVs for...