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6.7L (2019-2024)
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6.7L (2007.5-2009)
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5.9L (2003-2004)
5.9L (1998.5-2002)
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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)
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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, (2016-2022), LWN

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

S&B 88-0008 Precision II Air Filter Cleaning & Oil Kit (Red)

S&B WF-1060 Filter Wrap (2016-2019 2.8L Duramax)

S&B KF-1064 Replacement Filter (2016-2019 2.8L Duramax)

Air Intake 9

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

Axel & Driveline 1

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 4

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 8

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

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

Digital Monitors 2

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

Lucas Oil 10001 Heavy Duty Oil Stabilizer

Lucas Oil 10130 Synthetic Heavy Duty Oil Stabilizer

Lucas Oil 10063 TB Zinc Plus Engine Break-In Oil Additive

Engine 5

MBRP Diesel Resonators (Aluminized & Stainless Steel)

Mishimoto MMTW-235 Exhaust Heat Wrap Set

Exhaust System 30

BHP BHP4001 Flip Up License Plate Bracket

Exterior 1

FASS No-Drop Series 110GPH 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

Fleece Performance Engineering FPE-TIERODSLEEVES-COL Tie Rod Sleeve Kit (2015-2022 2.8L Duramax)

Steering 3

BDS Suspension Front Sway Bar Link Kit for 5.5 Inch Lift (2016-2022 2.8L Duramax)

Bilstein 24-265874 B8 5100 Series Shock Absorber (Rear, 2016-2022 2.8L Duramax 4WD)

Bilstein 24-292702 B8 5100 Series Shock Absorber (Front, 2016-2022 2.8L Duramax)

Bilstein 24-261630 B6 4600 Series Shock Absorber (Rear, 2016-2022 2.8L Duramax 4WD)

Bilstein 24-253147 B6 4600 Series Shock Absorber (Front, 2016-2022 2.8L Duramax 4WD)

Suspension 28

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)

XDP XD40124TC Thread Cleaning Chaser (M12x1.5)

Tools 13

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

BHP BHP2000 Adjustable Pulling Hitch - 2 Inch

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

B&W Trailer Hitches B&W TS10053B Tow & Stow Adjustable Ball Mount, Pintle 2" Shank, 6" Drop

B&W Trailer Hitches B&W TS10066BMP Tow & Stow Adjustable Ball Mount, MultiPro/MultiFlex 2" Shank, 4.5" Drop

Towing 32

Mishimoto MMOC-OO-17 / MMOC-SSO-17 Heavy-Duty Fluid Cooler

Mishimoto MMTC-TF-1275 Universal Transmission Fluid Cooler

Mishimoto MMTC-TF-1575 Universal Transmission Fluid Cooler

Mishimoto MMTC-TF-1212 Universal Transmission Fluid Cooler

Mishimoto MMTC-TF-2075 Universal Transmission Fluid Cooler

Transmission 10

Tuning 1

PPE 116150055 Titanium Woven T6 Turbo Blanket

Mishimoto MMHP-TB Titanium Turbo Blanket

MAHLE G33430 T4 Turbocharger Inlet Flange Gasket

MAHLE G32761 T6 Turbocharger Flange Gasket

Turbo 9

Wheels 0

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GMC, (2016-2022), LWN

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Air Lift (19)

AirDog (6)

ATS Diesel Performance (1)

B&W Trailer Hitches (19)

BD Diesel (3)

BDS Suspension (3)

Big Hitch Products (2)

Bilstein (8)

Calibrated Power / DuramaxTuner (3)

CSF (1)

Dynomite Diesel Products (1)

Edge Products (2)

Exergy Performance (13)

FASS (7)

Fleece Performance Engineering (2)

HP Tuners (1)

Lucas Oil (11)

Mahle (2)

MBRP (25)

Merchant Automotive (4)

Mishimoto Performance Parts (17)

Pacific Performance Engineering (4)

S&B (5)

Wehrli Custom Fabrication (3)

XDP MFG (9)

Air Lift (19) AirDog (6) ATS Diesel Performance (1) B&W Trailer Hitches (19) BD Diesel (3) BDS Suspension (3) Big Hitch Products (2) Bilstein (8) Calibrated Power / DuramaxTuner (3) CSF (1) Dynomite Diesel Products (1) Edge Products (2) Exergy Performance (13) FASS (7) Fleece Performance Engineering (2) HP Tuners (1) Lucas Oil (11) Mahle (2) MBRP (25) Merchant Automotive (4) Mishimoto Performance Parts (17) Pacific Performance Engineering (4) S&B (5) Wehrli Custom Fabrication (3) XDP MFG (9)

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171 products

XDP XD40126TC Thread Cleaning Chaser (M14x2.0) XD40126TC - Southern Diesel Supply

XDP MFG

XDP XD40124TC Thread Cleaning Chaser (M12x1.5)

Sale price$19.99

XDP MFG

XDP XD40125TC Thread Cleaning Chaser (M12x1.75)

Sale price$19.99

XDP XD182 Fuel Tank Sump - One Hole Design - Southern Diesel Supply

XDP MFG

XDP XD182 Fuel Tank Sump - One Hole Design

Sale price$149.99

XDP XD243 Fuel Tank Sump - One Hole Design With Fuel Return - Southern Diesel Supply

XDP MFG

XDP XD243 Fuel Tank Sump - One Hole Design With Fuel Return

Sale price$185.99

XDP XDDPP116 Diesel Power Plus Fuel Additive (16oz) - Southern Diesel Supply

XDP MFG

XDP XDDPP116 Diesel Power Plus Fuel Additive (16oz)

Sale price$9.99

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

XDP MFG

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

Sale price$9.99

S&B 80 - 1000 Flexible Silicone Tool Tray - Southern Diesel Supply

S&B

S&B 80-1000 Flexible Silicone Tool Tray

Sale price$99.99

Red Blue Gray Green

S&B

S&B 88-0008 Precision II Air Filter Cleaning & Oil Kit (Red)

Sale price$29.99

S&B

S&B WF-1060 Filter Wrap (2016-2019 2.8L Duramax)

Sale price$29.99

S&B KF - 1064 Replacement Filter (2016 - 2019 2.8L Duramax) - Southern Diesel Supply

S&B

S&B KF-1064 Replacement Filter (2016-2019 2.8L Duramax)

Sale price$69.99

S&B 75 - 5086 Cold Air Intake (2016 - 2022 2.8L Duramax) - Southern Diesel Supply

S&B

S&B 75-5086 Cold Air Intake (2016-2022 2.8L Duramax)

Sale price$379.99

Mishimoto MMTW - 235 Exhaust Heat Wrap Set - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTW-235 Exhaust Heat Wrap Set

Sale price$74.99

Mishimoto MMEXH - TIP - DSL56 6" Polished Angled Cut Rolled Edge Tip - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMEXH-TIP-DSL56 6" Polished Angled Cut Rolled Edge Tip

Sale price$103.99

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

Mishimoto Performance Parts

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

Sale price$33.99

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

Mishimoto Performance Parts

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

Sale price$33.99

Mishimoto Performance Parts

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

Sale price$33.99

Mishimoto MMRA - LC - FULLF Liquid Chill Synthetic Coolant - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRA-LC-FULLF Liquid Chill Synthetic Coolant

Sale price$91.99

Mishimoto Pre - Mixed Liquid Chill Synthetic Coolant - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto Pre-Mixed Liquid Chill Synthetic Coolant

Sale priceFrom $31.99

Mishimoto MMRA - LC Liquid Chill Radiator Coolant Additive - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRA-LC Liquid Chill Radiator Coolant Additive

Sale price$23.99

Mishimoto MMHP - TB Titanium Turbo Blanket - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMHP-TB Titanium Turbo Blanket

Sale priceFrom $164.99

Mishimoto MMOC - OO - 17 / MMOC - SSO - 17 Heavy - Duty Fluid Cooler - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMOC-OO-17 / MMOC-SSO-17 Heavy-Duty Fluid Cooler

Sale price$472.99

Silver Black

Mishimoto MMTC - TF - 1275 Universal Transmission Fluid Cooler - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTC-TF-1275 Universal Transmission Fluid Cooler

Sale price$86.99

Mishimoto MMTC - TF - 1575 Universal Transmission Fluid Cooler - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTC-TF-1575 Universal Transmission Fluid Cooler

Sale price$98.99

Mishimoto MMTC - TF - 1212 Universal Transmission Fluid Cooler - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTC-TF-1212 Universal Transmission Fluid Cooler

Sale price$113.99

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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.