NEED HELP CHOOSING THE RIGHT DIESEL PARTS? CALL OR TEXT SDS FOR EXPERT SUPPORT!

Open search

Home
Shop Info
Reviews
Shop Talk
Apparel & Goods
Customer Builds

Southern Diesel Supply

Chevrolet
Ford
GMC
RAM

Open search Open account page Saved build 0 Open cart

Home
Shop Info
Reviews
Shop Talk
Apparel & Goods
Customer Builds

Account

6.7L (2019-2024)
6.7L (2010-2018)
6.7L (2007.5-2009)
5.9L (2004.5-2007)
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)

Your cart is empty

Continue shopping

GMC, (2015-2016), LML, Cooling System

Shop Cooling System by Category

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

Coolant 10

WCFab WCF100472 Billet Aluminum Coolant Tank Cap, Clear Anodized (2001-2024 Duramax; 2004.5-2024 Cummins)

Merchant Automotive 10800 Coolant Tank Float Switch (2011-2016 6.6L Duramax)

WCFab WCF100644 LML Duramax Twin Turbo Coolant Tank Kit

WCFab WCF206-25 2011-2016 Duramax / 2013-2018 Cummins Low Coolant Level Sensor

WCFab WCF100647 LML Duramax OEM Placement Coolant Tank Kit

Coolant Tanks 6

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

PPE 119000803 Flywheel Housing Cover Coolant Block-Off Plate Gasket (2001-2026 Duramax)

PPE 119021031 EGR Cooler Coolant Bypass Outlet Hose (2011-2016 Duramax)

PPE 119021033 EGR Cooler Coolant Bypass Inlet Hose (2013.5-2016 Duramax)

Parts 42

Pumps 0

XDP XD292 Xtra Cool Direct-Fit Replacement Radiator (2011-2016 Duramax)

Mishimoto R13244 Replacement Radiator (2011-2016 Duramax)

Mishimoto MMRAD-DMAX-11 Aluminum Performance Radiator (2011-2016 Duramax)

CSF 3584 OEM Style Replacement Radiator (2011-2016 6.6L Duramax)

Radiator 4

Home
›
GMC, (2015-2016), LML, Cooling System

Filters

Sort by

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

Price

$ to $

Brand

ACDelco (2)

CSF (2)

Fleece Performance Engineering (2)

G&R Diesel (1)

Hot Shot's Secret (3)

Lucas Oil (1)

Mahle (4)

Merchant Automotive (9)

Mishimoto Performance Parts (11)

Pacific Performance Engineering (11)

Wehrli Custom Fabrication (9)

XDP MFG (5)

ACDelco (2) CSF (2) Fleece Performance Engineering (2) G&R Diesel (1) Hot Shot's Secret (3) Lucas Oil (1) Mahle (4) Merchant Automotive (9) Mishimoto Performance Parts (11) Pacific Performance Engineering (11) Wehrli Custom Fabrication (9) XDP MFG (5)

Sort by:

60 products

CSF 10724 AC Condenser (2015 - 2019 Duramax) - Southern Diesel Supply

CSF

CSF 10724 AC Condenser (2015-2019 6.6L Duramax)

Sale price$108.99

CSF OEM Style Replacement Radiator (2011 - 2016 Duramax) - Southern Diesel Supply

CSF

CSF 3584 OEM Style Replacement Radiator (2011-2016 6.6L Duramax)

Sale price$306.99

ACDelco

ACDelco 131-131 Rear Coolant Thermostat (2001-2019 Duramax)

Sale price$43.99

ACDelco

ACDelco 131-163 Front Coolant Thermostat (2001-2019 Duramax)

Sale price$51.99

WCFab WCF100644 LML Duramax Twin Turbo Coolant Tank Kit - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100644 LML Duramax Twin Turbo Coolant Tank Kit

Sale price$365.99

WCFab WCF100176 LML Duramax Thermostat Housing - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100176 Thermostat Housing (2011-2016 6.6L Duramax)

Sale price$185.99

Wehrli Custom Fabrication

WCFab WCF207-114 1.75" ID X 3.5" Long Silicone Boot And Clamp Kit

Sale price$34.99

Wehrli Custom Fabrication

WCFab WCF206-25 2011-2016 Duramax / 2013-2018 Cummins Low Coolant Level Sensor

Sale price$49.99

WCFab WCF100647 LML Duramax OEM Placement Coolant Tank Kit - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100647 LML Duramax OEM Placement Coolant Tank Kit

Sale price$473.99

WCFab WCF100155 Billet Heater Core Firewall Fitting (2001 - 2023 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100155 Billet Heater Core Firewall Fitting (2001-2023 6.6L Duramax)

Sale price$42.99

Wehrli Custom Fabrication

WCFab WCF100543 Billet Aluminum Coolant Tank Cap, Black Anodized (2001-2024 Duramax; 2004.5-2024 Cummins)

Sale price$39.99

WCFab WCF100696 LML Duramax Upper Coolant Pipe - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100696 LML Duramax Upper Coolant Pipe

Sale price$156.99

3 / 3

E-mail

Customer Relations

Employment Opportunities
Contact Us
FAQ's
Search
Tune Revision Form

Our Policies

Privacy Policy
Return and Refund Policy
Shipping Policy
Terms of Service

About

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.