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, (2017-2019), L5P, 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 WCF100433 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit

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

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

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

WCFab WCF100710 L5P (17-19) Duramax Twin Turbo Coolant Tank Kit

Coolant Tanks 5

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 (2017-2026 6.6L Duramax)

Parts 23

XDP XD679 XTRA Cool Water Pump (With Housing) (2017-2025 Duramax)

XDP XD678 XTRA Cool Water Pump (Pump Only) (2017-2025 Duramax)

Pumps 2

Radiator 2

Home
›
GMC, (2017-2019), L5P, 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 (1)

Hot Shot's Secret (3)

Lucas Oil (1)

Mahle (3)

Merchant Automotive (2)

Mishimoto Performance Parts (8)

Pacific Performance Engineering (4)

Performance Diesel Worx (1)

Wehrli Custom Fabrication (8)

XDP MFG (4)

ACDelco (2) CSF (2) Fleece Performance Engineering (1) Hot Shot's Secret (3) Lucas Oil (1) Mahle (3) Merchant Automotive (2) Mishimoto Performance Parts (8) Pacific Performance Engineering (4) Performance Diesel Worx (1) Wehrli Custom Fabrication (8) XDP MFG (4)

Sort by:

39 products

Fleece FPE - DMAX - CBOP Duramax Billet Coolant Block Off Plate (2001 - 2025 Duramax) - Southern Diesel Supply

Fleece Performance Engineering

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

Sale price$58.99

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

Wehrli Custom Fabrication

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

Sale price$49.99

WCFab WCF100188 Thermostat Housing (2017 - 2025 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100188 Thermostat Housing (2017-2026 6.6L Duramax)

Sale price$185.99

Wehrli Custom Fabrication

WCFab WCF100433 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit

Sale price$494.99

WCFab WCF100742 L5P Upper Coolant Pipe - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100742 L5P Upper Coolant Pipe

Sale price$156.99

Performance Diesel Worx

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

Sale price$44.99

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

Wehrli Custom Fabrication

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

Sale price$39.99

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

Pacific Performance Engineering

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

Sale price$4.99

PPE 219020000 Stainless Steel Heater Hose Connector (2007.5 - 2024 Cummins; 2017 - 2019 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 219020000 Stainless Steel Heater Hose Connector (2007.5-2024 Cummins; 2017-2019 Duramax)

Sale price$22.99

PPE 119030100 T304 Stainless Steel Coolant Tube (2001 - 2026 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 119030100 T304 Stainless Steel Coolant Tube (2001-2026 Duramax)

Sale price$197.99

PPE 119000820 Black Coolant Block - Off Plate (2001 - 2026 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 119000820 Black Coolant Block-Off Plate (2001-2026 Duramax)

Sale price$53.99

XDP XD344 HD Billet Coolant Block - Off Plate (2001 - 2025 Duramax) - Southern Diesel Supply

XDP MFG

XDP XD344 HD Billet Coolant Block-Off Plate (2001-2025 Duramax)

Sale price$64.99

XDP XD328 Radiator Coolant Drain Pipe (2006 - 2019 Duramax) - Southern Diesel Supply

XDP MFG

XDP XD328 Radiator Coolant Drain Pipe (2006-2019 Duramax)

Sale price$59.99

XDP XD678 XTRA Cool Water Pump (Pump Only) (2017 - 2025 Duramax) - Southern Diesel Supply

XDP MFG

XDP XD678 XTRA Cool Water Pump (Pump Only) (2017-2025 Duramax)

Sale price$108.99

XDP XD679 XTRA Cool Water Pump (With Housing) (2017 - 2025 Duramax) - Southern Diesel Supply

XDP MFG

XDP XD679 XTRA Cool Water Pump (With Housing) (2017-2025 Duramax)

Sale price$179.99

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 MMHOSE - DMAX - 17 Black Silicone Radiator Hose Kit (2017 - 2019 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMHOSE-DMAX-17 Black Silicone Radiator Hose Kit (2017-2019 6.6L Duramax)

Sale price$363.99

Black Blue Red

Mishimoto MMRAD - DMAX - 17 Aluminum Performance Radiator (2017 - 2019 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRAD-DMAX-17 Aluminum Performance Radiator (2017-2019 6.6L Duramax)

Sale price$1,540.99

Merchant Automotive

Merchant Automotive 10089 Billet Coolant Block-Off Plate (2001-2025 6.6L Duramax)

Sale price$59.99

1 / 2

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.