Duramax Diesel Parts & Upgrades

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PPE 113158200 Fuel Injector Wiring Harness Pigtail (2004.5 - 2007 6.6L Duramax) - Southern Diesel SupplyPPE 113158200 Fuel Injector Wiring Harness Pigtail (2004.5 - 2007 6.6L Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 113158200 Fuel Injector Wiring Harness Pigtail (2004.5-2007 6.6L Duramax) Sale price$26.99 Regular price$29.99
Save $20.00
PPE 113050000 Diesel Lift Pump (2001 - 2016 Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 113050000 Diesel Lift Pump (2001-2016 Duramax) Sale price$179.99 Regular price$199.99
Save $4.00
PPE 114002700 Fuel Coolant Pump Relocation Kit (2020 - 2026 Duramax) - Southern Diesel SupplyPPE 114002700 Fuel Coolant Pump Relocation Kit (2020 - 2026 Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 114002700 Fuel Coolant Pump Relocation Kit (2020-2026 Duramax) Sale price$41.99 Regular price$45.99
Save $2.00
PPE 128051186 10L80 Transmission Pan Filter (2019 - 2026 3.0L Duramax) - Southern Diesel SupplyPPE 128051186 10L80 Transmission Pan Filter (2019 - 2026 3.0L Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 128051186 10L80 Transmission Pan Filter (2019-2026 3.0L Duramax) Sale price$17.99 Regular price$19.99
Save $2.00
PPE 114000740 MicroPure XR Engine Oil Filter (2020 - 2026 Duramax) - Southern Diesel SupplyPPE 114000740 MicroPure XR Engine Oil Filter (2020 - 2026 Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 114000740 MicroPure XR Engine Oil Filter (2020-2025 6.6L L5P Duramax) Sale price$24.99 Regular price$26.99
Save $10.00
PPE 117000424 3" Stainless Steel Downpipe (2002 - 2004 Duramax CA Emissions) - Southern Diesel SupplyPPE 117000424 3" Stainless Steel Downpipe (2002 - 2004 Duramax CA Emissions) - Southern Diesel Supply
Pacific Performance Engineering
PPE 117000424 3" Stainless Steel Downpipe (2002-2004 Duramax CA Emissions) Sale price$179.99 Regular price$189.99
Save $1.00
PPE 118062052 Exhaust Manifold to Up - Pipe Gasket (2017 - 2026 Duramax) - Southern Diesel SupplyPPE 118062052 Exhaust Manifold to Up - Pipe Gasket (2017 - 2026 Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 118062052 Exhaust Manifold to Up-Pipe Gasket (2017-2026 Duramax) Sale price$15.99 Regular price$16.99
Save $3.00
PPE 114003000 Billet Aluminum Engine Oil Filler Cap (2001 - 2016 Duramax) - Southern Diesel SupplyPPE 114003000 Billet Aluminum Engine Oil Filler Cap (2001 - 2016 Duramax) - Southern Diesel Supply
Pacific Performance Engineering
PPE 114003000 Billet Aluminum Engine Oil Filler Cap (2001-2016 Duramax) Sale price$31.99 Regular price$34.99
2025-2026 Duramax L5P/LZ0 Diagnostic Plug - Southern Diesel Supply2025-2026 Duramax L5P/LZ0 Diagnostic Plug - Southern Diesel Supply
Performance Diesel Worx
2025-2026 Duramax L5P/LZ0 Diagnostic Plug Sale price$159.99
S&B KF - 1062 Replacement Filter (2011 - 2016 Duramax) - Southern Diesel SupplyS&B KF - 1062 Replacement Filter (2011 - 2016 Duramax) - Southern Diesel Supply
S&B
S&B KF-1062 Replacement Filter (2011-2016 6.6L Duramax) Sale price$69.99
S&B KF - 1035 Replacement Filter (2001 - 2010 Duramax; 1994 - 2007 Cummins) - Southern Diesel SupplyS&B KF - 1035 Replacement Filter (2001 - 2010 Duramax; 1994 - 2007 Cummins) - Southern Diesel Supply
S&B
S&B KF-1035 Replacement Filter (2001-2010 6.6L Duramax; 1994-2007 5.9L Cummins) Sale price$69.99
Merchant Automotive 10194 - 7 Stepper Motor Set (Pack Of 7) (2003 - 2007 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10194-7 Stepper Motor Set (Pack Of 7) (2003-2007 Duramax) Sale price$31.99
Merchant Automotive Allison 10793 1000 Transmission Converter Housing Reseal Kit (2001 - 2019 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10793 Allison 1000 Transmission Converter Housing Reseal Kit (2001-2016 6.6L Duramax) Sale price$149.99
Merchant Automotive 10570 Rear Engine Cover Installation Kit (2001 - 2010 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10570 Rear Engine Cover Installation Kit (2001-2010 6.6L Duramax) Sale price$179.99
Merchant Automotive 10016 Intake Tube Seals (2004.5 - 2005 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10016 Intake Tube Seals (2004.5-2005 6.6L Duramax) Sale price$9.99
Merchant Automotive 10017 Intake Tube Seal Kit (2006 - 2010 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10017 Intake Tube Seal Kit (2006-2010 6.6L Duramax) Sale price$21.99
Merchant Automotive 10561 HP4 Fuel Injection Pump Installation Gasket Kit (2017 - 2023 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10561 HP4 Fuel Injection Pump Installation Gasket Kit (2017-2023 6.6L Duramax) Sale price$93.99
Merchant Automotive 10721 Billet Turbo Resonator Delete Plug (2017 - 2019 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10721 Billet Turbo Resonator Delete Plug (2017-2019 6.6L Duramax) Sale price$24.99
Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit (2011 - 2016 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit (2011-2016 6.6L Duramax) Sale price$59.99
Merchant Automotive 10032 WIF (Water In Fuel) Sensor O - Ring (2001 - 2016 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10032 WIF (Water In Fuel) Sensor O-Ring (2001-2016 6.6L Duramax) Sale price$3.99
Merchant Automotive 4504000 Engine Gasket Set (No Head Gaskets/Bolts) (2011 - 2016 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 4504000 Engine Gasket Set (No Head Gaskets/Bolts) (2011-2016 6.6L Duramax) Sale price$349.99
Merchant Automotive 10460 Starter Solenoid (2001 - 2016 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10460 Starter Solenoid (2001-2016 6.6L Duramax) Sale price$63.99
Merchant Automotive 10162 LLY ECM Terminal Ends (5 - Pack) (2004.5 - 2005 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10162 LLY ECM Terminal Ends (5-Pack) (2004.5-2005 6.6L Duramax) Sale price$5.99
Merchant Automotive 10061 Coolant Tank Float Switch (2001 - 2010 Duramax) - Southern Diesel Supply
Merchant Automotive
Merchant Automotive 10061 Coolant Tank Float Switch (2001-2010 6.6L Duramax) Sale price$39.99

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Our Wildwood, FL techs will confirm the right part for your build before you buy.

Call or Text (352) 722-5295

Parts and performance upgrades for every Duramax-powered Chevy and GMC, from the 2001 LB7 to the latest L5P, plus the 3.0L and 2.8L Duramax. Southern Diesel Supply is a working diesel shop, so we stock the parts we install every week: lift pumps, injectors, CP3 and CP4 pumps, turbos, Allison transmission parts, suspension and maintenance items.

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Need more fuel? See our AirDog lift pumps. Running a Cummins or Powerstroke instead? Shop Cummins parts or Powerstroke parts.