LLY Duramax Engine Parts

Our Fleece Performance adapter harness allows the 2004.5-2005 LLY Duramax to run the updated turbo vane position sensor that is used on 2006 and up...

Industrial Injection Model: 771864-0001Garrett vane position adapter allows the Garrett 848212-5001S turbocharger to be installed on your 2004.5-20...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Industrial Injection Model: PDM-MS-2218HXC2001-2016 Duramax Hx Series Main Bearings (Std +.001) Coated. These H and HX Clevite bearings were develo...

Industrial Injection Model: PDM-MS-2218HC2001-2016 Duramax H Series Main Bearings (Std .025) Coated. These H and HX Clevite bearings were developed...

Industrial Injection Model: 54582Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)

Industrial Injection Model: PDM-07184The Duramax Rocker Spacer Kit was designed to eliminate the factory springs in between the rockers to keep the...

You can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD250 to get your 1982-2000 GM 6.2L/6.5L GM Diesel running in the most extreme envi...

Upgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit XD3019RB. Construct...

The XDP X220 Series Head Stud Kit XD3006HS is a must have for your high performance 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. The OEM head bol...

Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the Billet Aluminum Oil Cap XD477. Each cap features a CNC-machined billet a...

The Main Stud Kit XD3007MS is essential for setting up your 2001-2005 GM 6.6L Duramax LB7/LLY for competition or street use. OEM main bolts typical...

 This product is not emissions compliant. Off-road use only. The Pusher Max HD Charge Tube is engineered to provide your engine with 93% more air ...

The ARP Diesel Head Stud Kit 230-4201 is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head gasket failures that can o...

Wagler Model WCPC6664 Fitment Notes: 2001-2016 GM Duramax 6.6L Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pu...

  The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades a...

  The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the fa...

  The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE r...

  Increase the output of the charging system in your 2001-2007 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator XD355. The Dura...

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 ...

The XDP Pushrods 3/8" Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in...

Flywheel bolts play and important role in the performance and safety of race cars and street machines alike. That's why the fastener experts at ARP...