Put the Smashed Performance Coolant Plate in your GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engi...

Use the MAHLE GS33500A Fuel Injector Seal Kit when installing injectors in your 2001-2004 GM 6.6L Duramax LB7. MAHLE seals and gaskets are construc...

Buy the MAHLE 54585 Left Cylinder Head Gasket (Grade C 1.05 Thickness) for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML at GAP. WARRANTY IN...

The Kryptonite Upper Control Arm Kit KRUCA10 will upgrade the suspension in front of your GM Silverado/Sierra 2500HD/3500HD. These American-made Up...

Replace the worn alignment pins in your GM Silverado/Sierra 2500HD/3500HD with the Kryptonite Alignment Cam Pin Set KR86325. These pins replace the...

Purchase the MAHLE 54582 Right Cylinder Head Gasket (Grade C 1.05 Thickness) for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML at GAP. This ga...

FASS Fuel Systems Diesel System 2001-2010 GM Duramax 6.6L Titanium Signature Series 165GPH (TSC10165G) Part No: TSC10165G A FASS Fuel Systems can b...

The Kryptonite Lower Ball Joint (Stock Control Arms) KR6693 will replace the broken unit in your GM Silverado/Sierra 2500HD/3500HD. Because this ba...

Replace your worn or broken upper control arm Cam Bolts with our heavy duty Kryptonite replacement kit. Proper Wheel Alignment is fundamental when ...

Get an OE quality gasket for your 2001-2016 GM 6.6L Duramax when you install the MAHLE F32918 Exhaust Up-Pipe To Turbo Gasket. Built to meet factor...

Air Filter (Cotton Cleanable) For Intake Kits: 75-5021,75-5042,75-5036,75-5091,75-5080,75-5102,75-5101,75-5093,75-5094,75-5090,75-5050,75-5096,75-5...

Air Filter (Dry Extendable) For Intake Kits: 75-5021,75-5042,75-5036,75-5091,75-5080,75-5102,75-5101,75-5093,75-5094,75-5090,75-5050,75-5096,75-504...

The Kryptonite Wheel Bearing & Hub Assembly (With ABS Sensor) KR310 is a great upgrade to the front end of your GM Silverado/Sierra 2500HD/3500...

If you're looking for the best for your truck, look no further. The Ultimate Front End Kit includes every moving component of your steering. This k...

Features: Adds reliability Proprietary drive gear and pilot installed OE-quality injection molded ECU mount OE-quality braided supply line and qui...

Replace the water pump gasket in your 2001-2005 GM 6.6L Duramax LB7/LLY with the MAHLE C32062 Water Pump Gasket. Made to factory specifications, th...

If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs. The Gator...

PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft...

Capable of handling fuel flow up to 300 percent over stock, the PPE Billet Aluminum Fuel Pickup Kit is the perfect way to get your high-performance...

Flowbench developed, dyno-proven cold-air intake with enclosed housing improves flow up to 57 percent. Increases power and fuel economy. Reduces ex...

Get the Merchant Automotive 10089 Billet Coolant Block-Off Plate from GAP for your 2001-2025 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P. Merchant Auto...

2001-2025 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast...

Features: 1,325 mm3 /rev displacement Reliable CP3 pump Heavy duty construction Optimized CP3 Pump The S&S Diesels 10mm CP3 pump is engineere...

Features: Higher output>3500 rpm Reliable CP3 pump Heavy duty construction SuperSport CP3 Pump S&S Diesels SuperSport CP3 is specifically ...

Install the MAHLE 41909.01 Complete Piston Ring Set (.010) onto your 2001-2010 GM 6.6L Duramax and maintain the factory performance. The rings in t...

The MAHLE 54580 Right Cylinder Head Gasket (Grade A .95 Thickness) is what your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML needs and is availabl...

Replace the leaking gasket on your GM 6.6L Duramax LB7 with the MAHLE G31916 Intake Manifold Tube Gasket. This gasket is an OE style direct-fit rep...

The MAHLE MIS19402 Intake Manifold Gasket Master Set is exactly what you need when installing a new intake manifold on your GM 6.6 Duramax LB7/LLY....

The MAHLE 41909.04 Complete Piston Ring Set (.040) maintains a factory performance for your 2001-2010 GM 6.6L Duramax. Made to OEM specifications, ...

Get the MAHLE 54583 Left Cylinder Head Gasket (Grade A .95 Thickness) from GAP for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. WARRANTY I...

The MAHLE VS50438 Valve Cover Gasket Set for your 2001-2004 GM 6.6L Duramax LB7 is a direct replacement for the factory seals on your engine. One k...

The MAHLE 54581 Right Cylinder Head Gasket (Grade B 1.00 Thickness) from GAP is what your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML needs today...

You can find the MAHLE 54584 Left Cylinder Head Gasket (Grade B 1.00 Thickness) for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML at GAP. WA...

Replace the piston rings in your 2001-2010 GM 6.6L Duramax with the MAHLE 41909.020 Complete Piston Ring Set (.020). Made to factory specifications...

Shop at GAP today and pick up the MAHLE 54597 Left Wave-Stopper Cylinder Head Gasket (Grade C) for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/L...

The MAHLE 54598 Right Wave-Stopper Cylinder Head Gasket (Grade C) from GAP is what your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML needs. WARR...

The MAHLE K31904 Water Pump Seal is a direct replacement for your 2001-2016 GM 6.6L Duramax. MAHLE gaskets and seals are made from high quality mat...

GAP has the MAHLE GS34005 Engine Oil Cooler Gasket Set you need to replace the leaking gasket in your 2001-2016 GM 6.6L Duramax. This gasket is qua...

The MAHLE VS50549 Valve Cover Gasket Set is a direct replacement for the seals on your 2001-2004 GM 6.6L Duramax LB7. MAHLE gaskets give you origin...