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 3/8 Inch CP3 Return Fitting FPE-CP3-RTRN
Regular price $15.95 USDSale price $15.95 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Billet Aluminum Universal Block Off Plug FPE-34070
Regular price $6.47 USDSale price $6.47 USD Regular priceUnit price / per -
Fleece Performance 3/4 Inch NPT Hex Socket Plug Black FPE-NPT-34
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price / per -
Fleece Performance 3/14 Inch-16 Hex Socket Plug w/ O-Ring FPE-SP-3416
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price / per -
Red-Head Steering Gears 2875 (3 Turns) for 2014-2021 Chevrolet/GMC 2500-3500 Pickup Trucks
Regular price $756.00 USDSale price $756.00 USD Regular priceUnit price / per -
Fleece Performance 23 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-23
Regular price $74.00 USDSale price $74.00 USD Regular priceUnit price / per -
Fleece Performance 22 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-22
Regular price $72.00 USDSale price $72.00 USD Regular priceUnit price / per -
Fleece Performance 21 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-21
Regular price $70.00 USDSale price $70.00 USD Regular priceUnit price / per -
Gator Fasteners 2001-24 Chevy/GMC 6.6L Duramax Gator Heavy Duty Harmonic Damper Bolt HDB66
Regular price $29.69 USDSale price $29.69 USD Regular priceUnit price / per$41.99 USDSale -
Fleece Performance 2001-2016 GM Fuel Primer Bulb Sealing Kit 2001-2016 GM 2500/3500 FPE-GM-FFPD-0116
Regular price $49.99 USDSale price $49.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Red FPE-DMAX-OC-RED
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Blue FPE-DMAX-OC-BLU
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Black FPE-DMAX-OC-BLK
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Gator Fasteners 2001-16 Chevy/GMC 6.6L Duramax Gator Heavy Duty Head Stud Kit HSK66
Regular price $519.71 USDSale price $519.71 USD Regular priceUnit price / per$603.74 USDSale -
Gator Fasteners 2001-16 Chevy/GMC 6.6L Duramax Gator Competition Series Head Stud Kit HSK66-CS
Regular price $1,405.79 USDSale price $1,405.79 USD Regular priceUnit price / per$1,543.49 USDSale -
Fleece Performance 20 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-20
Regular price $68.00 USDSale price $68.00 USD Regular priceUnit price / per -
Fleece Performance 2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines FPE-TL-ST
Regular price $19.90 USDSale price $19.90 USD Regular priceUnit price / per -
Fleece Performance 19 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-19
Regular price $66.00 USDSale price $66.00 USD Regular priceUnit price / per -
Fleece Performance 18 Inch Rail Pressure Sensor Extension Harness FPE-HAR-RP-EXT
Regular price $43.04 USDSale price $43.04 USD Regular priceUnit price / per -
Fleece Performance 18 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-18
Regular price $64.00 USDSale price $64.00 USD Regular priceUnit price / per -
Fleece Performance 17 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-17
Regular price $62.00 USDSale price $62.00 USD Regular priceUnit price / per -
Fleece Performance 15 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-15
Regular price $58.00 USDSale price $58.00 USD Regular priceUnit price / per -
Fleece Performance 14 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-14
Regular price $56.00 USDSale price $56.00 USD Regular priceUnit price / per -
Fleece Performance 13 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-13
Regular price $54.00 USDSale price $54.00 USD Regular priceUnit price / per -
Fleece Performance 12mm Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34550-A
Regular price $15.99 USDSale price $15.99 USD Regular priceUnit price / per -
Fleece Performance 12 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-12
Regular price $52.00 USDSale price $52.00 USD Regular priceUnit price / per -
Fleece Performance 11 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-11
Regular price $50.00 USDSale price $50.00 USD Regular priceUnit price / per -
Fleece Performance 10 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-10
Regular price $48.00 USDSale price $48.00 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.
















