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Shop Top-Quality 2001-2024 Chevrolet Duramax Parts At Southern Diesel Supply! Boost Performance, Durability, And Efficiency With Our Wide Selection Of Diesel Upgrades. Order Now!

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1927 products

Merchant Automotive

Merchant Automotive 15001 Fuel Injection Pump Inlet Hose (2004.5-2010 6.6L Duramax)

Sale price$39.99

Merchant Automotive

Merchant Automotive 411081A Transfer Case Front Output Seal (2001-2007 6.6L Duramax)

Sale price$19.99

Mean Green

Mean Green MG1234 High Output Alternator (2011-2019 6.6L Duramax)

Sale price$619.99

MBRP

MBRP Diesel Resonators (Aluminized & Stainless Steel)

Sale priceFrom $174.99

Mahle

MAHLE C32062 Water Pump Gasket (2001-2005 6.6L Duramax)

Sale price$5.99

Mahle

MAHLE CS54580B Lower Engine Gasket Kit (2011-2016 6.6L Duramax)

Sale price$175.99

Mahle

MAHLE GS33757 Valve Cover Gasket & Injector Seal Kit (2001-2004 6.6L Duramax)

Sale price$94.99

Hot Shot's Secret

Hot Shot's Secret Green Diamond 10W-30 Full Synthetic CK-4 Engine Oil (1 Gal)

Sale price$43.99

Hot Shot's Secret

Hot Shot's Secret Diesel Extreme Fuel Additive

Sale priceFrom $17.99

Hot Shot's Secret

Hot Shot's Secret Green Diamond 15W-40 Semi-Synthetic CK-4 Engine Oil (1 Gal)

Sale price$36.99

Hot Shot's Secret

Hot Shot's Secret Everyday Diesel Treatment

Sale priceFrom $6.99

G&R Diesel

G&R Diesel GRD661007 T4 S300/S400 Turbo Drain Kit (2001-2016 6.6L Duramax)

Sale price$149.99

Fleece FPE - ALO All Lights On® (2007.5 - 2025 6.6L; 2019 - 2024 3.0L; 2015 - 2021 2.8L Duramax) - Southern Diesel Supply

Fleece Performance Engineering

Fleece Performance Engineering FPE-ALO All Lights On® (2007.5-2025 6.6L; 2019-2024 3.0L; 2015-2021 2.8L Duramax)

Sale price$22.99

HP Tuners

HPTuners TCM-GB-T93-UO GM T93 TCM Service (Global B) (2024-2026 Duramax)

Sale price$399.99

Exergy Performance

Exergy Performance New Replacement Fuel Injectors Set (2017-2024 6.6L Duramax)

Sale priceFrom $2,520.99

CSF 6079 OEM+ Replacement Intercooler (2017 - 2019 Duramax) - Southern Diesel Supply

CSF

CSF 6079 OEM+ Replacement Intercooler (2017-2019 6.6L Duramax)

Sale price$465.99

Calibrated Power / DuramaxTuner

Calibrated Power Solutions CPS200262 Stealth Mach 1 (64) Turbo (2011-2016 6.6L Duramax)

Sale price$2,599.99

XDP MFG

XDP XD656 Flex Plate Bolt Kit (2001-2019 Duramax)

Sale price$74.99

Suncoast A1 - BFP - 4 Billet Flex Plate - Southern Diesel Supply

Suncoast Performance

Suncoast A1-BFP-4 Billet Flex Plate (2017-2019 6.6L Duramax L5P)

Sale price$495.99

PPE 128060000 Raw Heavy Duty PTO Side Plate Covers - Southern Diesel Supply

Pacific Performance Engineering

PPE Raw Heavy Duty PTO Side Plate Covers (2001-2016 6.6L Duramax)

Sale priceFrom $79.99

Hot Shot's Secret

Hot Shot's Secret Blue Diamond 15W-40 Full Synthetic CK-4 Engine Oil (1 Gal)

Sale price$59.99

WCFab WCF100278 LML Stage 1 High Flow Intake Bundle Kit (2011 - 2016 Duramax) - Southern Diesel Supply

WCFab WCF100505 LML Duramax Stage 3 High Flow Intake Bundle Kit - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100278 LML Stage 1 High Flow Intake Bundle Kit (2011-2016 Duramax)

Sale price$1,529.99

Fleece Performance Replacement Fuel Injector Connector With Pigtail (2011 - 2024 6.6L; 2019 - 2025 3.0L Duramax) - Southern Diesel Supply

Fleece Performance Engineering

Fleece Performance Engineering Replacement Fuel Injector Connector With Pigtail (2011-2024 6.6L; 2019-2025 3.0L Duramax)

Sale priceFrom $64.99

Turbosmart

Turbosmart Constant Tension Clamps 1.625-2.375

Sale priceFrom $38.99

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At Southern Diesel Supply, we are passionate about power, performance, and precision. Specializing in premium accessories for RAM, Chevrolet, GMC, and Ford, we provide truck owners with the best upgrades to enhance durability, style, and functionality.