2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Sumps, Accessories & Additives

After adding on an aftermarket fuel system to your 2001-2004 GM 6.6L Duramax LB7 build, you've likely noticed you're not getting as far on a full tank of gas as you used to. Draw more fuel from your tank with the help of gravity by investing in any of the premium Fuel Sumps we offer here at Alligator Performance! Further enhance your GM 6.6L with our excellent selection of Fuel Upgrades! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2001-2004 6.6L LB7
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FASS SK5501 Feed/Return Style Sump Kit | Universal
FASS SK5501 Feed/Return Style Sump Kit | Universal

Fass Fuel systems

FASS SK5501 Feed/Return Style Sump Kit | Universal

Price
$169
PPE 113072800 Race Fuel Valve | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
PPE 113072800 Race Fuel Valve | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

PPE

PPE 113072800 Race Fuel Valve | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Price
$41.39
BD Diesel 1050330 Flow-MaX Fuel Tank Sump Kit | Universal
BD Diesel 1050330 Flow-MaX Fuel Tank Sump Kit | Universal

BD Diesel

BD Diesel 1050330 Flow-MaX Fuel Tank Sump Kit | Universal

Price
$185.95
Fleece FPE-HAR-L5P-INJ-PT-8P Replacement Fuel Injector Connector 8-Pack | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Fleece FPE-HAR-L5P-INJ-PT-8P Replacement Fuel Injector Connector 8-Pack | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Fleece Performance Products

Fleece FPE-HAR-L5P-INJ-PT-8P Replacement Fuel Injector Connector 8-Pack | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Price
$299.99
AirDog 001-4A-1-0027 Push-Loc 1/2 inch Fuel Pressure Fitting | Universal
AirDog 001-4A-1-0027 Push-Loc 1/2 inch Fuel Pressure Fitting | Universal

Air Dog

AirDog 001-4A-1-0027 Push-Loc 1/2 inch Fuel Pressure Fitting | Universal

Price
$8.11
FASS HK1001 Electric Heater Kit for Titanium & Platinum Series Lift Pumps | Universal
FASS HK1001 Electric Heater Kit for Titanium & Platinum Series Lift Pumps | Universal

Fass Fuel systems

FASS HK1001 Electric Heater Kit for Titanium & Platinum Series Lift Pumps | Universal

Price
$160.55
Premier Performance 1.117.1 Feed/Return Style Fuel Tank Sump Kit | Universal
Premier Performance 1.117.1 Feed/Return Style Fuel Tank Sump Kit | Universal

Premier Performance

Premier Performance 1.117.1 Feed/Return Style Fuel Tank Sump Kit | Universal

Price
$189
Merchant 10059 Automotive Fuel Line Banjo Seal at FICM | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10059 Automotive Fuel Line Banjo Seal at FICM | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10059 Automotive Fuel Line Banjo Seal at FICM | 2001-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$7.72
AirDog FF100-10 10 Micron Replacement Fuel Filter | Universal
AirDog FF100-10 10 Micron Replacement Fuel Filter | Universal

Air Dog

AirDog FF100-10 10 Micron Replacement Fuel Filter | Universal

Price
$28
PPE 513081100 Air Bleeder Screw with Black Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 513081100 Air Bleeder Screw with Black Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 513081100 Air Bleeder Screw with Black Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$13.49
PPE 513081000 Air Bleeder Screw with Yellow Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 513081000 Air Bleeder Screw with Yellow Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 513081000 Air Bleeder Screw with Yellow Finish | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$13.49
FASS STK5500 Fuel Sump with Suction Tube Kit | Universal
FASS STK5500 Fuel Sump with Suction Tube Kit | Universal

Fass Fuel systems

FASS STK5500 Fuel Sump with Suction Tube Kit | Universal

Price
$236.55

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2001-2004 6.6L Silverado & Sierra 2500HD/3500HD

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