Collection: 2011-2016 6.6L LML Duramax
2011-2016 6.6L LML Duramax
Maximize the power, performance, and durability of your 2011-2016 6.6L LML Duramax with a wide selection of performance parts and accessories. Whether you’re looking to enhance horsepower, improve fuel efficiency, or optimize towing capacity, our collection includes everything from turbochargers...
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Fleece Performance 1/2 Inch NPT to -10AN Male FPE-34874-A
Regular price $10.95 USDSale price $10.95 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch NPT Hex Socket Plug Black FPE-NPT-12
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34553-A
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch CP3 Feed Fitting FPE-CP3-FEED
Regular price $15.95 USDSale price $15.95 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Billet Aluminum Universal Block Off Plug FPE-34071
Regular price $7.42 USDSale price $7.42 USD Regular priceUnit price / per -
Fleece Performance '-8AN Aluminum Male Weld Bung 1/2 inch Register 3/4 inch OD FPE-AN971-08DRD
Regular price $7.30 USDSale price $7.30 USD Regular priceUnit price / per -
Fleece Performance '-8 Straight to Hose Barb Black FPE-PL-00-08
Regular price $7.99 USDSale price $7.99 USD Regular priceUnit price / per -
Fleece Performance '-8 90 Degree to Hose Barb Black FPE-PL-90-08
Regular price $13.99 USDSale price $13.99 USD Regular priceUnit price / per -
Fleece Performance '-8 45 Degree to Hose Barb Black FPE-PL-45-08
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance '-6 to 9/16 inch-18 Straight Male Black Fleece Performance w/ O-Ring FPE-APT-916-06
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance '-6 AN Straight to Hose Barb FPE-PL-00-06
Regular price $6.99 USDSale price $6.99 USD Regular priceUnit price / per -
Fleece Performance '-6 90 Deg to Hose Barb Black FPE-PL-90-06
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance FPE-PL-45-06 6AN 45-Degree to Hose Barb – Black
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance FPE-AN971-10DRD 10AN Aluminum Male Weld Bung – 5/8" Register, 7/8" OD
Regular price $8.35 USDSale price $8.35 USD Regular priceUnit price / per -
Fleece Performance FPE-34805-A 10 AN to 7/8-14 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance FPE-34873-A 8 AN to 3/4-16 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance Turbo Drain Adapter FPE-78-14-TDA
Regular price $12.95 USDSale price $12.95 USD Regular priceUnit price / per -
Fleece Performance Tie Rod Reinforcement Sleeves For 2011-2018 GM 2500-3500HD Pickups FPE-TIERODSLEEVES-LML
Regular price $81.90 USDSale price $81.90 USD Regular priceUnit price / per -
Fleece Performance Return Fuel Pressure Test Port for 2011-2016 LML Duramax FPE-FPTP-GM-1116
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per -
Fleece Performance Resonator Delete Plate Duramax LML 6061 Aluminum FPE-LML-RES
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance Replacement High Pressure Fuel Line for LML CP3 Conversions FPE-FL-LML-CP3-HP
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price / per -
Fleece Performance FPE-LML-VNT-63-FMW-N 63mm FMW Duramax VNT Cheetah Turbocharger
Regular price $2,649.00 USDSale price $2,649.00 USD Regular priceUnit price / per -
FASS TSC12165G Titanium Signature Series Diesel Fuel System 165GPH GM Duramax 6.6L 2015-2016
Regular price $729.00 USDSale price $729.00 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 165GPH GM Duramax 6.6L 2011-2014
Regular price $729.00 USDSale price $729.00 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 100GPH GM Duramax 6.6L 2015-2016
Regular price $699.00 USDSale price $699.00 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 100GPH GM Duramax 6.6L 2011-2014
Regular price $689.00 USDSale price $689.00 USD Regular priceUnit price / per -
FASS DMAX7002 Duramax Diesel Fuel System Flow Enhancer GM Duramax 6.6L 2011-2016
Regular price $407.55 USDSale price $407.55 USD Regular priceUnit price / per -
Fleece Performance Duramax Vane Position Sensor Pigtail LBZ,LMM,LML FPE-HAR-DMAX-VPS-0616
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per
2011-2016 6.6L LML Duramax
Maximize the power, performance, and durability of your 2011-2016 6.6L LML Duramax with a wide selection of performance parts and accessories. Whether you’re looking to enhance horsepower, improve fuel efficiency, or optimize towing capacity, our collection includes everything from turbochargers and exhaust systems to fuel components and cooling solutions. Perfect for off-roading, towing, and everyday driving, these upgrades will elevate your truck's performance.
Popular Categories:
- Engine & Performance: Air intake systems, programmers, turbochargers, and more.
- Drivetrain & Suspension: Lift kits, shock absorbers, and suspension parts for enhanced handling.
- Exterior Parts & Accessories: Custom grilles, lighting solutions, and exterior enhancements.
- Fluids & Filters: High-quality oils, filters, and maintenance products.


















