The PPE Extreme-Duty Pitman Arm features a new forged design to take the abuse of racing, larger wheels or tires and increased horsepower. Our Pitm...

The PPE Extreme-Duty Pitman Arm features a new forged design to take the abuse of racing, larger wheels or tires and increased horsepower. Our Pitm...

50 States Emissions Legal Pending Clean up your Duramax engine bay by installing this simple, appealing billet plug. It eliminates the bulky, plast...

50 States Emissions Legal Pending Clean up your Duramax engine bay by installing this simple, appealing billet plug. It eliminates the bulky, plast...

50 States Emissions Legal Pending Clean up your Duramax engine bay by installing this simple, appealing billet plug. It eliminates the bulky, plast...

50 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved...

Replacement connector with 6 Inch pigtail for use in multiple locations on the Duramax and Powerstroke engines. Produced in-house, our manufacturin...

Our replacement fan extension harness for the 2011-2016 LML Duramax allows you to repair a broken or damaged harness without needing to replace the...

Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms, resulting in costl...

Replacement connector with 6 inch pigtail for use on the 2006-2016 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufactu...

Introducing our all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! This kit replaces the factory fuel filter housi...

Replacement high pressure fuel line for 6.6L LML Duramax's with CP3 conversion kits.Features: Replacement High Pressure Fuel Line for LML CP3 Conv...

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement trans...

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement trans...

Our universal 45 degree turbo drain nipple with integrated O-ring seal is designed to fit 7/8 Inch ID Hose. Made from billet aluminum and anodized ...

Make installation and removal of the dosing injector fuel line on 2011-2016 LML Duramax engines a breeze with our fuel line disconnect tool. Fits: ...

The return fuel pressure test port for the 2011-2016 LML Duramax is designed to aid the technician in troubleshooting return fuel pressure, often n...

Replacement CP3 fuel feed hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models.

Replacement CP3 fuel return hose for the Fleece Performance LML CP3 Conversion Kits. Fits all prior and current models.

Convert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its ...

Convert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its ...

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...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only ...

2011-2016 LML Duramax Turbo Installation Kit for S300/S400 Kit Contents: x1 Universal Turbo Drain Nipple (7/8 inch) with Integrared Sealing O-ri...

Want to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with Fleece engraved across th...

Fleece Performance LML Tie Rod Sleeves are a must for any 2011 and up GM 2500-3500HD pickup that utilizes four-wheel drive. These support sleeves k...

6061 Aluminum Black Anodize 7/8 inch-14 o-ring Fitment: S300 S400 Garrett (LLY-LML) IHI (LB7) HE341 ('03-'05 Cummins) HE351CW ('06-'07 Cummins) HE...

Steady power output even under extreme temperatures. Adds +95 percent core volume and 69 percent greater inlet area over stock. High-efficiency cus...

Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cl...

Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cl...

Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cl...

Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cl...

More Power and MPG. Forces charge of cool, pressurized ram air into filter housing. Optimizes Ram-Air Intake efficiency for more power. Banks exclu...

Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cl...

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If you are a racer and have an LBZ-LML 6.6L Duramax, Gale Banks Engineering offers The best cast Duramax manifold ever. Lay the power down with Ban...

FASS Fuel Systems Diesel System 2015-2016 GM Duramax LML 6.6L Titanium Signature Series 165GPH (TSC12165G)Part No: TSC12165G A FASS Fuel Systems ca...

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 2015-2016 GM Duramax LML 6.6L Titanium Signature Series 100GPH (TSC12100G) Part No: TSC12100G A FASS Fuel Systems c...

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...

FASS Fuel Systems Signature Series Adjustable Diesel Fuel System 100GPH GM Duramax 6.6L 2001-2016 (FASC09100G) Part No: FAS C09 1000G Our FASS Sign...