GM 6.6L Duramax OE Parts

The XDP Remanufactured LML Fuel Injector With Bolt XD487 provides you with a high-quality replacement for the failed injector in your vehicle. With over 30 million remanufactured parts on the road, you can be sure that these Injectors keep your fuel...

The XDP Remanufactured LGH Fuel Injector With Bolt XD482 is a high-quality replacement for the failed injector in your 2011-2016 GM 6.6L Duramax LGH. With over 30 million fuel injectors on the road, you can be certain each injector is built to meet or...

Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the XDP Billet Aluminum Oil Cap XD477. Each cap features a CNC-machined billet aluminum construction making it the perfect replacement for the plastic factory cap. The XD477 comes...

The XDP Fuel Return Line Banjo Bolt Kit (Set of 8) XD476 is a high-quality replacement for the banjo bolts in your 2001-2004 GM 6.6L Duramax LB7. During disassembly, the return line bolts are frequently damaged or stripped which can cause fuel leaks or...

The XDP Injector Brush Kit XD376 helps clean the injector bore and seat when replacing the injectors in your Powerstroke or Duramax. Specially designed brushes help eliminate carbon deposits, rust and debris without damage. The XDP injector brush kit is...

The XDP X-TRA Cool L5P Transmission Cooler Thermostatic Bypass XD396 helps lower temperatures and prolong the life of the Allison transmission in your 2017-2019 GM 6.6L Duramax L5P. From the factory, the L5P Duramax trucks are equipped with a...

Don't let your 2001-2005 GM 6.6L Duramax overheat due to a broken or damaged fan, replace it with the XDP X-TRA Cool Direct-Fit Radiator Clutch Fan Blade XD374. Keeping your engine temperatures in check is crucial when it comes to longevity and...

The XDP 3/8 inch Street Performance Pushrods XD387 will strengthen the weak link in the valvetrain of your 2017-2020 GM 6.6L Duramax L5P. The stock pushrods in your Duramax engine can barely handle stock power levels. With greater cylinder pressure and...

The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades and other modifications that increase boost require more valve control. The XDP Performance Valve Spring feature...

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 factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can...

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 rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax...

Enhance the charging system in your 2011-2019 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator XD350. While many Duramax owners upgrade their truck for performance, the charging system is often overlooked until there is an issue...