Replace the failed intake manifold gasket in your vehicle with the MAHLE MS19402 Intake Manifold Gasket from GAP. The MS19402 Intake Manifold Gaske...

Replace the old rear main seal in your 2001-2016 GM 6.6L Duramax with the MAHLE 67777 Rear Main Engine Crankshaft Seal. MAHLE OE Gaskets and Seals ...

 The MAHLE CS54580 Lower Engine Gasket Set for your 2001-2007 GM 6.6L Duramax is a direct replacement gasket set for your Duramax engine. This kis ...

Ensure your water pump is sealed properly when you add the MAHLE GS33752 Water Pump Gasket Kit to your 2001-2010 GM 6.6L Duramax. Designed as an OE...

The MAHLE GS33504 Cylinder Head Bolts are an affordable replacement option for the OE head bolts in your 2001-2010 GM 6.6L Duramax. These OE replac...

The MAHLE OS32284 Engine Oil Pan Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. MAHLE Original Gaskets and Seals are designed f...

The MAHLE GS33678 Turbocharger Mounting Gasket Set includes the components needed for a turbocharger replacement on your 2001-2010 GM 6.6L Duramax ...

Don't fall victim to a faulty gasket when you add the MAHLE C31900 Thermostat Housing Gasket to your 2001-2016 GM 6.6L Duramax. The Thermostat Hous...

When installing new exhaust manifolds on your 2001-2016 GM 6.6L Duramax make sure you order the MAHLE MS19398 Exhaust Manifold Gaskets from GAP. MA...

Able to tolerate up to 1400 degrees, the MAHLE F31903 Exhaust Manifold To Up-Pipe Gasket provides your 2001-2016 GM 6.6L Duramax with a replacement...

If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fasteners. Fitment Not...

Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just...

Siverado/Sierra 2500/3500 2001-10 6.6L Heavy Duty Rod Bolt Kit Gator Fasteners If you are wanting to keep your 6.6L Duramax on the road for the lon...

Turbo Inlet Manifold For Chevy / Gmc Duramax LLY 6.6L The Stock LLY Turbo Inlet Is Very Restrictive, Causing The Turbo To Over Work And Egt's To Go...

Maximum Performance Our cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows 44.63 p...

Maximum Performance Our cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows 44.63 p...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your w...

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

Clean oil increases performance and reduces engine wear. The PPE Oil Centrifuge Filtration Kit cleans oil by generating a centrifugal force 2,000 t...

Drag racing and sled pulling places huge stress on your truck's silicone hoses in a very short period of time. PPE's hoses were designed to handle ...

Drag racing and sled pulling places huge stress on your truck's silicone hoses in a very short period of time. PPE's hoses were designed to handle ...

The stock factory part creates an inefficient low-pressure zone in front of the turbo. This LBZ/LMM-style inlet upgrade addresses this performance ...

Diesel engines (even stock) produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuatio...

Dual Fueler Kit, Install kit only, No pump, GM Duramax 6.6L, 2004.5-2005

The Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It comes with a Fleece Performance 63mm FMW...

Banks' huge 3-inch boost tube. Stock tube is smaller diameter with tighter bends which hurts flow. Banks boost tube is 3-inch constant diameter man...

Optimizes the boosted air density for higher continuous power and lower exhaust gas temps. Restriction-free for superior flow with 25 percent large...

Gain up to +39 hp/+69 lb-ft. Reduces exhaust gas temps (EGTs) and smoke. Outflows stock and competitors up to 57 percent. Optional Super-Scoop rams...

Gain up to +39 hp/+69 lb-ft. Reduces exhaust gas temps (EGTs) and smoke. Outflows stock and competitors up to 57 percent. Optional Super-Scoop rams...

The World's First All-Electronic Braking System. A revolutionary approach to exhaust braking, Banks' patented new SpeedBrake does what no brake has...

Top Of The Hill - Now What?You've crested that big hill and need to start thinking about slowing down. What do you do? Ride your brakes and hope th...

PowerPack calibration: +100 hp/+230 lb-ft. Advanced tuning for towing/work delivers better fuel economy under all load conditions, adjust-on-the-fl...

Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power, plus temperature limiting control w/optional Temp Limit Kit. T...

The World's First All-Electronic Braking System. A revolutionary approach to exhaust braking, Banks patented new SpeedBrake does what no brake has ...

PowerPack calibration: +100 hp/+230 lb-ft. Advanced tuning for towing/work adds loads of power with built-in safety, adjust-on-the-fly power, fuel ...

Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power, plus temperature limiting control w/optional Temp Limit Kit. Tu...

FASS Diesel Fuel System 2001-2016 GM Duramax 6.6L Titanium Signature Series 290GPH (TSC10290G) Part No: TSC10290G A FASS Fuel System will be a very...

FASS Diesel Fuel System 2001-2016 GM Duramax 6.6L Titanium Signature Series Verified 250GPH (TSC10250G) Part No: TSC10250G A FASS Fuel System will ...

FASS Fuel Systems Diesel System 2001-2010 GM Duramax 6.6L Titanium Signature Series 100GPH (TSC10100G) Part No: TSC10100G A FASS Fuel Systems can b...

FASS Fuel Systems Adjustable Diesel Fuel System 290GPH GM Duramax 6.6L 2001-2016 (FASC09290G) Part No: FASC09290G Our FASS Signature Series Adjusta...

FASS Fuel Systems Signature Series Adjustable Diesel Fuel System 250GPH GM Duramax 6.6L 2001-2016 (FASC09250G) Part No: FAS C09 25G Our FASS Signat...

FASS Fuel Systems Adjustable Diesel Fuel System 165GPH GM Duramax 6.6L 2001-2016 (FASC09165G) Part No: FASC09165G Our FASS Signature Series Adjusta...