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6.7L (2019-2024)
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5.9L (1998.5-2002)
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6.7L (2025-present)

L5P (2020-2024)
L5P (2017-2019)
LML (2015-2016)
LML (2011-2014)
LMM (2007.5-2010)
LBZ (2006-2007)
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LB7 (2001-2004)

L5P (2020-2024)
L5P (2017-2019)
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6.7L (2020-2024)
6.7L (2017-2019)
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6.0L (2003-2007)
7.3L (1994-2020)

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GMC, (2020-2024), LM2/LZ0

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Every parts category for your truck — pick one to narrow it down, or scroll to browse everything that fits.

WCFab WCF100717 Air Filter 4" Inlet (Dry) (2001-2024 Duramax; 2003-2018 Cummins; 2003-2007 Power Stroke))

PPE 119010300 Intercooler Coolant Heat Exchanger (2020-2026 3.0L Duramax)

PPE Air-To-Water Intercooler Kit (2020-2026 3.0L Duramax)

PPE 115930100 Silicone Intake and Intercooler Hose (2020-2025 3.0L Duramax)

Air Intake 19

PPE AAM 9.5"/9.76"-12-Bolt Heavy-Duty Cast Aluminum Rear Differential Cover (2020-2025 3.0L Duramax)

Lucas Oil 10043 Heavy Duty 80W-90 Gear Oil

Royal Purple 01301 75W-140 Max-Gear Synthetic Gear Oil

ATS Diesel Performance ATS Drain Plug Fits ATS Pans And Differential Covers

AFE 46-71140A Pro Series Rear Differential Cover (RAW) - GMCH 9.5-12 (2019-2026 Silverado/Sierra 1500)

Axel & Driveline 6

Lucas Oil 10906 Non-Chlorinated Brake Parts Cleaner

Lucas Oil 10825 DOT 3 Synthetic Brake Fluid

Lucas Oil 10827 DOT 4 Synthetic Brake Fluid

WCFab WCF100215 Billet Aluminum Brake Master Cylinder Cap, Clear Anodized (1999-2024 GM 1500/2500/3500)

Brakes 6

Lucas 11238 Sure Start Premium Starting Fluid

Charging/Starting 1

Mishimoto MMRA-LC-EG-YW Pre-Mixed Liquid Chill Coolant (Yellow)

Mishimoto MMRA-LC-EG-PR Pre-Mixed Liquid Chill Coolant (Purple)

Mishimoto MMRA-LC-FULLF Liquid Chill Synthetic Coolant

Mishimoto Pre-Mixed Liquid Chill Synthetic Coolant

Cooling System 7

Edge Products 84130-3 Insight CTS3 Universal OBD-II Monitoring

Edge Products 98620 EAS EGT Kit - Daily Driver/Tow Kit

Edge Products 28601 A-Pillar Display Mount (2020-2023 6.6L Duramax; 2019-2022 3.0L Duramax)

Edge Products 98607 EAS Pressure Sensor (0-100 PSI)

Digital Monitors 4

PPE 114000650 MicroPure Engine Oil Filter (2020-2026 3.0L Duramax)

PPE 114054000 Heavy-Duty Cast Aluminum Deep Engine Oil Pan (2020-2026 3.0L Duramax)

PPE 113060748 HD Serpentine Belt - Main Drive (2020-2026 3.0L Duramax)

XDP XD275 X-Factor High Performance Oil Additive (8oz)

Lucas Oil 10001 Heavy Duty Oil Stabilizer

Engine 8

PPE 304 Stainless Steel DDP-Back Performance Exhaust Kit - Single Exit (2020-2022 3.0L Duramax)

MBRP Diesel Resonators (Aluminized & Stainless Steel)

PPE 4" Dual Exit T304 Stainless Steel Filter-Back Exhaust (2023-2025 3.0L Duramax)

Exhaust System 36

BHP BHP4001 Flip Up License Plate Bracket

PPE Billet Hood Release Latch (2019-2026 GMC Sierra 1500)

WCFab WCF100041 GM Billet Tig Torch Stubby Antenna (2007.5-2019 Duramax)

Amp Research 86255-01A Research PowerStep Smart Series (2024-2026 6.6L; 2022-2026 3.0L Duramax)

Amp Research 77254-01A Research PowerStep XL (2020-2023 6.6L; 2019-2022 3.0L Duramax)

Exterior 7

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

FASS Titanium Signature Series 110G Fuel System (2016-2020 2.8L Duramax)

FASS XWS3002XL Extended Length Extreme Water Separator Filter

FASS XWS3002 Extreme Water Separator Filter

FASS PF3001XL Extended Length Particulate Filter

Fuel System 36

High Flow Kits 0

Interior 0

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

AlphaRex 620060 Pro-Series Red Smoked LED Tail Lights (2019-2025 Silverado 1500 / 2020-2025 Silverado 2500HD-3500HD)

AlphaRex 620011 Tail Lights Converters (2020-2026 6.6L; 2019-2025 3.0L Duramax)

Lighting 3

Power Adders 0

PPE 158219000 Forged Tie Rod Kit (2019-2025 3.0L Duramax)

Steering 2

Radflo 2.5 Inch Rear Shock Smooth Body (2019-2026 3.0L Duramax)

Radflo 2.5 Inch Front Coil-Over Kit (2019-2026 3.0L Duramax 4WD)

BDS Suspension Upper Control Arm Kit (2019-2026 3.0L Duramax)

BDS Suspension Recoil Traction Bar Mounting Kit (2007-2026 Chevy Silverado/GMC Sierra 1500, 4WD)

BDS Suspension 2 Inch Leveling Kit | FOX Coilover Upgrade (2019-2026 3.0L Duramax 4WD)

Suspension 59

WCFab WCF25-3290-120 32 In. X 90 In. Modular Steel Work Bench

PPE 114000659 76mm Billet Aluminum Engine Oil Filter Socket (2021-2026 3.0L Duramax)

XDP XD40126TC Thread Cleaning Chaser (M14x2.0) XD40126TC

XDP XD40127TC Thread Cleaning Chaser (M16x2.0)

XDP XD40128TC Thread Cleaning Chaser (M8x1.25)

Tools 13

B&W TS20067BMP Tow & Stow Adjustable Ball Mount, MultiPro/MultiFlex 2.5" Shank, 7" Drop

BHP BHP2000 Adjustable Pulling Hitch - 2 Inch

BHP BHP2001 Adjustable Pulling Hitch - 2.5 Inch

B&W Trailer Hitches B&W TS20053B Tow & Stow Adjustable Ball Mount, Pintle 2.5" Shank, 6.5" Drop

Towing 35

ACDelco 10-4107 Dexron ULV Automatic Transmission Fluid (2020-2026 Duramax)

PPE 124068000 Bar and Plate Transmission Cooler (2026 3.0L Duramax)

PPE 128051102 10L80 Transmission Pan Gasket (2019-2026 3.0L Duramax)

PPE 124067000 Bar And Plate Transmission Cooler (2020-2025 3.0L Duramax)

PPE Heavy-Duty Cast Aluminum 10L80 Deep Transmission Pan (2020-2026 3.0L Duramax)

Transmission 18

Tuning 1

Turbosmart Constant Tension Clamps 1.625-2.375

PPE 116150055 Titanium Woven T6 Turbo Blanket

Mishimoto MMHP-TB Titanium Turbo Blanket

MAHLE G33430 T4 Turbocharger Inlet Flange Gasket

Turbo 8

Mishimoto MMLG-M14-24LBK Black M14x1.5 Lug Nut Kit With Wheel Locks (24-Pack) (2019-2024 3.0L Duramax)

Mishimoto MMLG-M14-24LSL Silver M14x1.5 Lug Nut Kit With Wheel Locks (24-Pack) (2019-2024 3.0L Duramax)

Merchant Automotive 10720 Wheel Spacers 1/2" (Pair) (2001-2024 6.6L Duramax)

Wheels 3

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ACDelco (1)

AFE (8)

Air Lift (24)

AirDog (6)

AlphaRex (2)

Amp Research (4)

ATS Diesel Performance (1)

B&W Trailer Hitches (19)

BD Diesel (4)

BDS Suspension (21)

Big Hitch Products (3)

Bilstein (9)

Dynomite Diesel Products (1)

Edge Products (4)

Exergy Performance (13)

FASS (7)

Fleece Performance Engineering (3)

HP Tuners (1)

Lucas Oil (12)

Mahle (2)

MBRP (23)

Merchant Automotive (3)

Mishimoto Performance Parts (19)

Pacific Performance Engineering (29)

Radflo (2)

Royal Purple (1)

S&B (7)

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XDP MFG (8)

ACDelco (1) AFE (8) Air Lift (24) AirDog (6) AlphaRex (2) Amp Research (4) ATS Diesel Performance (1) B&W Trailer Hitches (19) BD Diesel (4) BDS Suspension (21) Big Hitch Products (3) Bilstein (9) Dynomite Diesel Products (1) Edge Products (4) Exergy Performance (13) FASS (7) Fleece Performance Engineering (3) HP Tuners (1) Lucas Oil (12) Mahle (2) MBRP (23) Merchant Automotive (3) Mishimoto Performance Parts (19) Pacific Performance Engineering (29) Radflo (2) Royal Purple (1) S&B (7) Turbosmart (1) Wehrli Custom Fabrication (11) XDP MFG (8)

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249 products

BDS Suspension

BDS Suspension Upper Control Arm Kit (2019-2026 3.0L Duramax)

Sale price$770.99

BDS Suspension

BDS Suspension Recoil Traction Bar Mounting Kit (2007-2026 Chevy Silverado/GMC Sierra 1500, 4WD)

Sale price$251.99

BDS Suspension

BDS Suspension 2 Inch Leveling Kit | FOX Coilover Upgrade (2019-2026 3.0L Duramax 4WD)

Sale priceFrom $1,820.99

PPE 124068000 Bar and Plate Transmission Cooler (2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 124068000 Bar and Plate Transmission Cooler (2026 3.0L Duramax)

Sale price$399.99

Pacific Performance Engineering

PPE 128051102 10L80 Transmission Pan Gasket (2019-2026 3.0L Duramax)

Sale price$19.99

PPE 124067000 Bar And Plate Transmission Cooler (2020-2025 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 124067000 Bar And Plate Transmission Cooler (2020-2025 3.0L Duramax)

Sale price$389.99

PPE Heavy-Duty Cast Aluminum 10L80 Deep Transmission Pan (2020-2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE Heavy-Duty Cast Aluminum 10L80 Deep Transmission Pan (2020-2026 3.0L Duramax)

Sale priceFrom $309.99

PPE 125069000 Transmission Fluid Thermal Bypass Valve (2020-2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 125069000 Transmission Fluid Thermal Bypass Valve (2020-2026 3.0L Duramax)

Sale price$89.99

PPE 114000659 76mm Billet Aluminum Engine Oil Filter Socket (2021 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 114000659 76mm Billet Aluminum Engine Oil Filter Socket (2021-2026 3.0L Duramax)

Sale price$39.99

PPE 158219000 Forged Tie Rod Kit (2019 - 2025 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 158219000 Forged Tie Rod Kit (2019-2025 3.0L Duramax)

Sale price$239.99

PPE 119010300 Intercooler Coolant Heat Exchanger (2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 119010300 Intercooler Coolant Heat Exchanger (2020-2026 3.0L Duramax)

Sale price$399.99

PPE Air - To - Water Intercooler Kit (2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE Air-To-Water Intercooler Kit (2020-2026 3.0L Duramax)

Sale price$1,349.99

PPE 115930100 Silicone Intake and Intercooler Hose (2020 - 2025 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 115930100 Silicone Intake and Intercooler Hose (2020-2025 3.0L Duramax)

Sale price$199.99

PPE 515303088 3" Silicone Hump Coupler - Southern Diesel Supply

Pacific Performance Engineering

PPE 515303088 3" Silicone Hump Coupler

Sale price$19.99

PPE 116150055 Titanium Woven T6 Turbo Blanket - Southern Diesel Supply

Pacific Performance Engineering

PPE 116150055 Titanium Woven T6 Turbo Blanket

Sale price$129.99

PPE Titanium Woven T4 Turbo Blanket - Southern Diesel Supply

Pacific Performance Engineering

PPE Titanium Woven T4 Turbo Blanket

Sale priceFrom $109.99

PPE 113059520 Aluminum Air Bleeder Screw (V2) (2001 - 2004 6.6L, 2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 113059520 Aluminum Air Bleeder Screw (V2) (2001-2004 6.6L, 2020-2026 3.0L Duramax)

Sale price$14.99

PPE 173001000 Billet Fuel Cap with Built - In Magnet (Anodized Green) (2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 173001000 Billet Fuel Cap with Built-In Magnet (Anodized Green) (2020-2026 3.0L Duramax)

Sale price$19.99

PPE 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

PPE 114000650 MicroPure Engine Oil Filter (2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 114000650 MicroPure Engine Oil Filter (2020-2026 3.0L Duramax)

Sale price$26.99

PPE Billet Hood Release Latch (2019 - 2022 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE Billet Hood Release Latch (2019-2026 GMC Sierra 1500)

Sale priceFrom $35.99

PPE 3" Stainless Steel Exhaust Tip - Southern Diesel Supply

Pacific Performance Engineering

PPE 3" Stainless Steel Exhaust Tip

Sale price$53.99

PPE 4" Dual Exit T304 Stainless Steel Filter - Back Exhaust (2023 - 2025 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 4" Dual Exit T304 Stainless Steel Filter-Back Exhaust (2023-2025 3.0L Duramax)

Sale price$1,169.99

PPE 4" T304 Filter - Back Exhaust System (2023 - 2025 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 4" T304 Filter-Back Exhaust System (2023-2025 3.0L Duramax)

Sale price$539.99

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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.