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5.9L (1998.5-2002)
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3.0L (2014-2017)
6.7L (2025-present)

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L5P (2020-2024)
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6.7L (2020-2024)
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7.3L (1994-2020)

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Chevrolet, (2024-present), L5P, Fuel System

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FASS XWS3002XL Extended Length Extreme Water Separator Filter

FASS XWS3002 Extreme Water Separator Filter

FASS PF3001XL Extended Length Particulate Filter

Filtration 14

Hot Shot's Secret Everyday Diesel Treatment

Hot Shot's Secret Diesel Extreme Fuel Additive

Exergy Performance E09 00007 Diesel Additive 16OZ - Case of 12

Exergy Performance E09 00006 Diesel Additive 16OZ

Exergy Performance E09 00017 Diesel Additive 16OZ Winter Blend - Case of 12

Fuel Additives 18

Merchant Automotive 20255 Fuel Injector Line Set (2017-2025 6.6L Duramax)

Exergy Performance 1-018-043 M14X1.5 Plug and Nut (Rail Cap)

Exergy Performance 1-008-003 M14X1.5 Three Way T Fitting

Exergy Performance 1-018-129 M14X1.5 Union

Dynomite Diesel Universal High Pressure Oversized Injection Lines (Multiple Lengths)

Fuel Lines 5

Exergy Performance 1-018-132 M18X1.5 Rail End to M14X1.5

Exergy Performance 1-018-133 M18X1.5 Rail Plug

Fuel Rail System 4

WCFab WCF100455 CP3 Conversion Kit W/ Exergy Sportsman Pump (2017-2026 Duramax)

S&S Diesel Motorsport High Pressure Pumps (2001-2024 6.6L Duramax)

Exergy Performance E04 10702 Denso HP4 Pump (2017-2024 6.6L Duramax)

WCFab WCF100457 CP3 Conversion Kit W/ Exergy 12mm Pump (2017-2026 Duramax)

WCFab WCF100458 CP3 Conversion Kit W/ Exergy 14mm Race Pump (2017-2026 Duramax)

Injection Pumps & Conversions 8

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

PPE Fuel Injector Wiring Harness Pigtail (2011-2024 6.6L, 2020-2026 3.0L Duramax)

Alliant Power AP0133 Fuel Injector Return line Seal Kit (2017-2026 Duramax)

Injectors 3

AirDog R1SBU371 150GPH Universal Raptor Pump

AirDog R1SBU373 150GPH Universal Raptor Pump

Lift Pumps 2

G&R Diesel GRD00153 Bottom Sump w/ Integrated Return

BD Diesel 1050330 Flow-Max Fuel Tank Sump

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

XDP XD182 Fuel Tank Sump - One Hole Design

Sumps 4

Tanks 0

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Chevrolet, (2024-present), L5P, Fuel System

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ACDelco (1)

AirDog (6)

Alliant Power (1)

BD Diesel (1)

Dynomite Diesel Products (1)

Exergy Performance (14)

FASS (7)

Fleece Performance Engineering (2)

G&R Diesel (1)

Hot Shot's Secret (6)

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Merchant Automotive (2)

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Wehrli Custom Fabrication (5)

XDP MFG (3)

ACDelco (1) AirDog (6) Alliant Power (1) BD Diesel (1) Dynomite Diesel Products (1) Exergy Performance (14) FASS (7) Fleece Performance Engineering (2) G&R Diesel (1) Hot Shot's Secret (6) Lucas Oil (4) Merchant Automotive (2) Pacific Performance Engineering (2) S&S Diesel Motorsport (1) Wehrli Custom Fabrication (5) XDP MFG (3)

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57 products

WCFab WCF100458 CP3 Conversion Kit W/ Exergy 14mm Race Pump (2017 - 2026 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100455 CP3 Conversion Kit W/ Exergy Sportsman Pump (2017-2026 Duramax)

Sale price$2,575.00

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

Hot Shot's Secret

Hot Shot's Secret Everyday Diesel Treatment

Sale priceFrom $6.99

Hot Shot's Secret

Hot Shot's Secret Diesel Extreme Fuel Additive

Sale priceFrom $17.99

FASS

FASS XWS3002XL Extended Length Extreme Water Separator Filter

Sale price$32.99

FASS

FASS XWS3002 Extreme Water Separator Filter

Sale price$29.99

FASS

FASS PF3001XL Extended Length Particulate Filter

Sale price$23.99

FASS

FASS XWS3002XL Extended Length Extreme Water Separator Filter

Sale price$32.99

FASS

FASS Filter Pack XL

Sale priceFrom $56.99

FASS

FASS Filter Pack

Sale priceFrom $99.99

FASS

FASS Drop-In Series Diesel Fuel System (2017-2025 6.6L Duramax)

Sale price$479.99

PPE Fuel Injector Wiring Harness Pigtail (2011 - 2024 6.6L, 2020 - 2026 3.0L Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE Fuel Injector Wiring Harness Pigtail (2011-2024 6.6L, 2020-2026 3.0L Duramax)

Sale price$29.99

PPE 114002700 Fuel Coolant Pump Relocation Kit (2020 - 2026 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 114002700 Fuel Coolant Pump Relocation Kit (2020-2026 Duramax)

Sale price$35.99

ACDelco

ACDelco TP1015 Fuel Filter (2017-2026 Duramax)

Sale price$70.99

WCFab WCF100362 Fuel Filter Housing (2020 - 2026 Duramax) - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100362 Fuel Filter Housing (2020-2026 Duramax)

Sale price$245.99

S&S Diesel Motorsport

S&S Diesel Motorsport High Pressure Pumps (2001-2024 6.6L Duramax)

Sale priceFrom $1,130.99

Exergy Performance

Exergy Performance E04 10702 Denso HP4 Pump (2017-2024 6.6L Duramax)

Sale price$1,080.99

Fleece FPE - L5P - FFBA - 20 Fuel Filter Upgrade Kit (2020 - 2024 Duramax Short Bed) - Southern Diesel Supply

Fleece Performance Engineering

Fleece Performance Engineering FPE-L5P-FFBA-20 Fuel Filter Upgrade Kit (2020-2024 6.6L Duramax Short Bed)

Sale price$261.99

Alliant Power

Alliant Power AP0133 Fuel Injector Return line Seal Kit (2017-2026 Duramax)

Sale price$68.99

Wehrli Custom Fabrication

WCFab WCF100457 CP3 Conversion Kit W/ Exergy 12mm Pump (2017-2026 Duramax)

Sale price$2,575.00

Wehrli Custom Fabrication

WCFab WCF100458 CP3 Conversion Kit W/ Exergy 14mm Race Pump (2017-2026 Duramax)

Sale price$2,575.00

Merchant Automotive

Merchant Automotive 20255 Fuel Injector Line Set (2017-2025 6.6L Duramax)

Sale price$299.99

Wehrli Custom Fabrication

WCFab WCF100456 CP3 Conversion Kit W/ Exergy 10mm Pump (2017-2026 Duramax)

Sale price$2,575.00

G&R Diesel

G&R Diesel GRD00153 Bottom Sump w/ Integrated Return

Sale price$199.99

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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.