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Chevrolet, (2011-2014), LML, Fuel System

Shop Fuel System by Category

Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit (2011-2016 6.6L Duramax)

WCFab WCF100269 Duramax FASS Relocation Mount (2011-2016 Crew Cab)

FASS XWS3002XL Extended Length Extreme Water Separator Filter

FASS XWS3002 Extreme Water Separator Filter

FASS PF3001XL Extended Length Particulate Filter

Filtration 43

Hot Shot's Secret Diesel Extreme Fuel Additive

Hot Shot's Secret Everyday Diesel Treatment

XDP XDDPP116 Diesel Power Plus Fuel Additive (16oz)

Merchant Automotive 10508 Diesel Fuel Additive

Fuel Additives 18

XDP XD607 Fuel Return Line Assembly (2011-2016 Duramax)

XDP XD615 Fuel System Contamination Kit - No Pump (Stock Replacement) (2011-2016 Duramax)

XDP XD517 Fuel System Contamination Kit (Stock Replacement) (2011-2016 Duramax)

Merchant Automotive 10902 Fuel System Contamination Kit (2011-2016 6.6L Duramax)

Merchant Automotive 10903 Fuel System Contamination Kit (No CP4 Pump) (2011-2016 6.6L Duramax)

Fuel Lines 17

XDP XD606 New Fuel Rail Assembly (Passenger Side) (2011-2016 Duramax)

XDP XD605 New Fuel Rail Assembly (Driver Side) (2011-2016 Duramax)

Fuel Rail System 23

WCFab WCF100260 LML Duramax CP3 Conversion Kit

PPE 113060012 CP3 O-Ring (Bracket To Block) (2001-2016 Duramax)

XDP XD609 Remanufactured CP4 Fuel Pump (Stock Replacement) (2011-2015 Duramax)

Injection Pumps & Conversions 20

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

S&S Diesel Motorsport Injectors (2011-2016 6.6L Duramax)

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

Injectors 19

PPE 113050000 Diesel Lift Pump (2001-2016 Duramax)

PPE 113050250 Deluxe Prewired Dual Relay Set (2001-2016 Duramax)

Lift Pumps 2

XDP XD182 Fuel Tank Sump - One Hole Design

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

G&R Diesel GRD00153 Bottom Sump w/ Integrated Return

BD Diesel 1050330 Flow-Max Fuel Tank Sump

Sumps 4

Tanks 0

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Exergy Performance (27)

FASS (10)

Fleece Performance Engineering (9)

G&R Diesel (1)

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AFE (1) AirDog (13) BD Diesel (5) Dynomite Diesel Products (7) Exergy Performance (27) FASS (10) Fleece Performance Engineering (9) G&R Diesel (1) Hot Shot's Secret (6) Lucas Oil (4) Merchant Automotive (17) Pacific Performance Engineering (6) S&S Diesel Motorsport (3) Wehrli Custom Fabrication (2) XDP MFG (15)

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126 products

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

Merchant Automotive

Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit (2011-2016 6.6L Duramax)

Sale price$59.99

Hot Shot's Secret

Hot Shot's Secret Diesel Extreme Fuel Additive

Sale priceFrom $17.99

Hot Shot's Secret

Hot Shot's Secret Everyday Diesel Treatment

Sale priceFrom $6.99

S&S Diesel Motorsport

S&S Diesel Motorsport Injectors (2011-2016 6.6L Duramax)

Sale priceFrom $2,619.99

WCFab WCF100269 Duramax Fass Relocation Mount - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100269 Duramax FASS Relocation Mount (2011-2016 Crew Cab)

Sale price$109.99

WCFab WCF100260 LML Duramax CP3 Conversion Kit - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100260 LML Duramax CP3 Conversion Kit

Sale price$775.99

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 No-Drop Titanium Signature Series PLUS Fuel System (2011-2014 6.6L Duramax)

Sale priceFrom $869.99

FASS

FASS Titanium Signature Series PLUS Fuel System (2011-2014 6.6L Duramax)

Sale priceFrom $739.99

FASS

FASS No-Drop Titanium Signature Series Fuel System (2011-2014 6.6L Duramax)

Sale priceFrom $819.99

FASS

FASS Titanium Signature Series Fuel System (2011-2014 6.6L Duramax)

Sale priceFrom $689.99

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 113060012 CP3 O - Ring (Bracket To Block) (2001 - 2016 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 113060012 CP3 O-Ring (Bracket To Block) (2001-2016 Duramax)

Sale price$14.99

Pacific Performance Engineering

PPE 113050000 Diesel Lift Pump (2001-2016 Duramax)

Sale price$199.99

Pacific Performance Engineering

PPE 113050250 Deluxe Prewired Dual Relay Set (2001-2016 Duramax)

Sale price$29.99

PPE 513081000 Aluminum Air Bleeder Screw (2001 - 2016 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 513081000 Aluminum Air Bleeder Screw (2001-2016 Duramax)

Sale price$13.99

Black Gold

PPE 113059150 High - Capacity Premium Efficiency Fuel Filter (2001 - 2016 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 113059150 High-Capacity Premium Efficiency Fuel Filter (2001-2016 Duramax)

Sale price$35.99

XDP XD129 HD Billet Air Bleeder Screw (2001 - 2016 Duramax) - Southern Diesel Supply

XDP MFG

XDP XD129 HD Billet Air Bleeder Screw (2001-2016 Duramax)

Sale price$9.99

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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.