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6.7L (2019-2024)
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5.9L (2003-2004)
5.9L (1998.5-2002)
5.9L (1989-1993)
5.9L (1994-1998)
3.0L (2018-2023)
3.0L (2014-2017)
6.7L (2025-present)

L5P (2020-2024)
L5P (2017-2019)
LML (2015-2016)
LML (2011-2014)
LMM (2007.5-2010)
LBZ (2006-2007)
LLY (2004.5-2005)
LB7 (2001-2004)

L5P (2020-2024)
L5P (2017-2019)
LML (2015-2016)
LML (2011-2014)
LMM (2007.5-2010)
LBZ (2006-2007)
LLY (2004.5-2005)
LB7 (2001-2004)

6.7L (2020-2024)
6.7L (2017-2019)
6.7L (2015-2016)
6.7L (2011-2014)
6.4L (2008-2010)
6.0L (2003-2007)
7.3L (1994-2020)

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GMC, (2020-2023), L5P

Shop Parts by Category

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

Banks Power 42792 Monster-Ram Turbo Inlet Elbow (2017-2026 Duramax)

Banks Power 42266 RAM-Air Cold Air Intake (2020-2023 Duramax)

WCFab WCF100414 Duramax Stage 2 High Flow Intake Bundle Kit (2020-2026 Duramax)

Banks Power 26005 Duramax L5P Boost Tube Upgrade Kit (2020-2026 Duramax)

WCFab WCF100381 3.5" Passenger (Cold) Side Intercooler Pipe Kit (2020-2026 Duramax)

Air Intake 35

WCFab WCF100217 Premium Rear Differential Cover Bolt Kit (2020-2024 Duramax; 2003-2024 Cummins)

WCFab WCF100114 AAM 12" Rear Differential Cover (2020-2026 6.6L Duramax; 2019-2026 6.7L Cummins)

Pacific Performance Engineering | PPE 11.5"/12"-14-Bolt Heavy-Duty Cast Aluminum Rear Differential Cover (2020-2026 Duramax)

PPE 12-Bolt Heavy-Duty Cast Aluminum Front Differential Cover (2011-2026 Duramax)

Mag-Hytec AA 14-12.0 Rear Differential Cover (2020-2024 6.6L Duramax, 2019-2024 6.7L Cummins)

Axel & Driveline 22

BDS Suspension Front Brake Line Set 6 Inch Lift (2011-2026 6.6L Duramax))

Lucas Oil 10906 Non-Chlorinated Brake Parts Cleaner

Lucas Oil 10825 DOT 3 Synthetic Brake Fluid

Lucas Oil 10827 DOT 4 Synthetic Brake Fluid

Brakes 7

PPE Top Post Battery Heat Shield (2007.5-2023 Duramax)

XDP XD533 Starter Bolt Kit (Black-Phosphate) (2001-2022 Duramax)

Lucas 11238 Sure Start Premium Starting Fluid

Charging/Starting 3

Fleece Performance Engineering FPE-DMAX-CBOP Billet Coolant Block Off Plate (2001-2025 6.6L Duramax)

WCFab WCF206-19 Low Coolant Level Sensor (2001-2010; 2017-2025 Duramax)

WCFab WCF100188 Thermostat Housing (2017-2025 Duramax)

WCFab WCF100541 Upper Coolant Pipe Kit (2020-2025 Duramax)

2001-2010 & 2017-2023 Duramax L5P Failed Coolant Bottle Sensor Fooler

Cooling System 34

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 114000740 MicroPure XR Engine Oil Filter (2020-2025 6.6L L5P Duramax)

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

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

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

Southern Diesel Supply | 2017-2024 Duramax L5P CCV Reroute Kit | Oil System

Engine 58

WCFab WCF100199 L5P Up Pipe Bolt Kit (2017-2026 Duramax)

WCFab WCF100226 Billet Exhaust Manifold & 2" Stainless Up Pipe Kit (2017-2025 Duramax)

MBRP Diesel Resonators (Aluminized & Stainless Steel)

WCFab WCF100129 3.5" Down Pipe (2017-2025 Duramax)

Exhaust System 61

BHP BHP4001 Flip Up License Plate Bracket

PPE Billet Hood Release Latch (2020-2026 Duramax)

BHP BHP3000 Clamp On Sled Stops - Below Roll Pan

BHP BHP3001 Clamp On Sled Stops - Behind Roll Pan

Exterior 9

WCFab WCF100276 Fass Fuel System Relocation Bracket (2017-2023 Duramax)

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

Merchant Automotive 10561 HP4 Fuel Injection Pump Installation Gasket Kit (2017-2023 6.6L Duramax)

Hot Shot's Secret Diesel Extreme Fuel Additive

Hot Shot's Secret Everyday Diesel Treatment

Fuel System 66

WCFab WCF100418 Stage 3 High Flow Intake Bundle Kit (2020-2026 Duramax)

WCFab WCF207-104 3" ID X 4" Long Silicone Boot And Clamp Kit

High Flow Kits 3

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

BDS Suspension Heavy Duty Tie Rod Kit (2011-2026 6.6L Duramax)

PPE 158101120 Forged 7/8” Drilled Steering Assembly Kit (2011-2026 6.6L Duramax)

PPE 158032511 Forged XR Tie Rod Kit (2011-2026 6.6L Duramax)

Single Steering Stabilizer Mounting Kit (2016-2026 6.6L Duramax)

PPE 158031513 Stage 3 Inner Tie Rod (2011-2025 6.6L Duramax)

Steering 16

BDS Suspension Upper Control Arm Kit (2020-2026 6.6L Duramax)

BDS Suspension Sway Bar Link Kit Lift 5"-6.5", Front (2020-2025 6.6L Duramax)

BDS Suspension Recoil Traction Bar Mounting Kit (2020-2026 6.6L Duramax SRW)

BDS Suspension 3 Lift Kit (2020-2026 6.6L Duramax 4WD)

Merchant Automotive 10056 Torsion Bar Adjuster Nut & Bolt (2011-2026 6.6L Duramax)

Suspension 54

PPE 114000759 93mm Billet Aluminum Engine Oil Filter Socket (2011-2026 6.7L Power Stroke, 2020-2025 6.6L Duramax)

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

XDP XD40126TC Thread Cleaning Chaser (M14x2.0) XD40126TC

XDP XD40127TC Thread Cleaning Chaser (M16x2.0)

XDP XD40128TC Thread Cleaning Chaser (M8x1.25)

Tools 16

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

Air Lift 57541 LoadLifter 7500 XL Helper Spring Kit (2020-2024 Duramax)

BHP BHP4002 7 & 4 Pole Trailer Connector Socket w/ Mounting Bracket (2001-2025 6.6L Duramax)

BHP BHP2000 Adjustable Pulling Hitch - 2 Inch

Towing 39

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

ACDelco TF938 Automatic Transmission Fluid Filter & Seal Kit (2020-2026 Duramax)

PPE 124066000 Bar And Plate Transmission Cooler (2020-2026 6.6L Duramax)

PPE Heavy-Duty Cast Aluminum 10L1000 Deep Transmission Pan (2020-2026 6.6L Duramax)

PPE 128051486 10L100 Transmission Pan Filter (2020-2026 Duramax)

Transmission 31

Calibrated Power Solutions Transmission Tuning - Pretuned TCM (2017-2023 6.6L 6.6L Duramax)

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

Calibrated Power Solutions DSP Switch Bracket No Drill Mount (2001-2016 6.6L Duramax)

Tuning 4

Calibrated Power Solutions CPS200275 Stealth Mach 1 (64) Turbo (2017-2023 6.6L Duramax)

WCFab WCF100178 L5P Duramax OEM/VGT Turbo Gasket Kit (2017-2023 Duramax)

Calibrated Power Solutions Intake Horn Anti-Surge Ring (2017-2021 6.6L Duramax)

Turbosmart Constant Tension Clamps 1.625-2.375

Turbo 28

Wheels 0

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464 products

Performance Diesel Worx

2001-2010 & 2017-2023 Duramax L5P Failed Coolant Bottle Sensor Fooler

Sale price$44.99

Merchant Automotive

Merchant Automotive 10561 HP4 Fuel Injection Pump Installation Gasket Kit (2017-2023 6.6L Duramax)

Sale price$93.99

MBRP

MBRP Diesel Resonators (Aluminized & Stainless Steel)

Sale priceFrom $174.99

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

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

Calibrated Power / DuramaxTuner

Calibrated Power Solutions Intake Horn Anti-Surge Ring (2017-2021 6.6L Duramax)

Sale price$120.99

Hot Shot's Secret

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

Sale price$59.99

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

Southern Diesel Supply

Southern Diesel Supply | 2017-2024 Duramax L5P CCV Reroute Kit | Oil System

Sale price$529.99

Calibrated Power / DuramaxTuner

Calibrated Power Solutions CPS200329 Drop-In Stealth Mach 2 67MM Upgraded Turbo (2024–2026 6.6L Duramax)

Sale price$3,549.99

Banks Power

Banks Power 26005 Duramax L5P Boost Tube Upgrade Kit (2020-2026 Duramax)

Sale price$775.99

Wehrli Custom Fabrication

WCFab WCF100217 Premium Rear Differential Cover Bolt Kit (2020-2024 Duramax; 2003-2024 Cummins)

Sale price$69.99

Wehrli Custom Fabrication

WCFab WCF100114 AAM 12" Rear Differential Cover (2020-2026 6.6L Duramax; 2019-2026 6.7L Cummins)

Sale price$389.99

WCFab WCF100224 L5P Duramax Auxiliary Coolant Tank Kit (2020 - 2025 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100224 L5P Duramax Auxiliary Coolant Tank Kit (2020-2025 Duramax)

Sale price$239.99

Wehrli Custom Fabrication

Wehrli Custom Fabrication | WCFab WCF100822 L5P Duramax VGT Turbo Heat Blanket | Turbocharger

Sale price$153.99

WCFab WCF100381 3.5" Passenger (Cold) Side Intercooler Pipe Kit (2020 - 2026 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100381 3.5" Passenger (Cold) Side Intercooler Pipe Kit (2020-2026 Duramax)

Sale price$374.99

WCFab WCF100365 3" Driver (Hot) Side Intercooler Pipe Kit (2020 - 2026 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100365 3" Driver (Hot) Side Intercooler Pipe Kit (2020-2026 Duramax)

Sale price$332.99

Wehrli Custom Fabrication

WCFab WCF207-103 2.75" X 3" ID Straight Reducer 4.5" Long Silicone Boot And Clamp Kit

Sale price$62.99

WCFab WCF100268 OEM Placement Coolant Tank Kit (2020 - 2025 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100268 OEM Placement Coolant Tank Kit (2020-2025 Duramax)

Sale price$525.99

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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.