2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Injection Pumps

The Stock CP3 fuel injection pump on your 2011-2016 GM 6.6L Duramax LML works fine for basic everyday applications, but certainly doesn't flow efficiently for heavy-duty applications you have in mind.  Our upgraded Injection Pumps offer higher performance in towing, off-roading, or hauling, an upgraded injection pump can improve fuel flow and pressure, resulting in better throttle response, increased power, and more efficient fuel combustion. Upgraded injection pumps are essential for maintaining engine reliability and overall performance, especially in demanding conditions. Improve your Sierra/Silverado's fuel system performance with any of the premium replacement or upgraded CP3 pumps we offer here at Alligator Performance! Check out our full selection of Fuel Upgrades! GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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>2011-2016 6.6L LML
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Exergy E05-10505 Inlet Metering Valve | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Exergy E05-10505 Inlet Metering Valve | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Exergy Performance

Exergy E05-10505 Inlet Metering Valve | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$275
Fleece FPE-LML-CP3-WP CP3 Conversion Kit with Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-LML-CP3-WP CP3 Conversion Kit with Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-LML-CP3-WP CP3 Conversion Kit with Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Sale price
$1,999
Regular price
$2,098.95
Fleece FPE-LML-HS-RTRN Replacement CP3 Return Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-LML-HS-RTRN Replacement CP3 Return Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-LML-HS-RTRN Replacement CP3 Return Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$19.99
Fleece FPE-FPTP-GM-1116 Return Fuel Pressure Test Port | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-FPTP-GM-1116 Return Fuel Pressure Test Port | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-FPTP-GM-1116 Return Fuel Pressure Test Port | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$29.99
Fleece FPE-DMAX-CP3-10MM PowerFlo 750 CP3 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-DMAX-CP3-10MM PowerFlo 750 CP3 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-DMAX-CP3-10MM PowerFlo 750 CP3 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,999
BD Diesel 1050496 Venom CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
4.0
BD Diesel 1050496 Venom CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

BD Diesel

BD Diesel 1050496 Venom CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$1,899.95
Fleece FPE-LML-CP3-NP 50 State Legal CP3 Conversion Hardware Kit Only | 11-16 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-LML-CP3-NP 50 State Legal CP3 Conversion Hardware Kit Only | 11-16 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-LML-CP3-NP 50 State Legal CP3 Conversion Hardware Kit Only | 11-16 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$749
Fleece FPE-HAR-CP3-EXT CP3 Regulator Extension Harness | 2011-2016 GM 2500HD/3500HD 6.6L Duramax
5.0
Fleece FPE-HAR-CP3-EXT CP3 Regulator Extension Harness | 2011-2016 GM 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-CP3-EXT CP3 Regulator Extension Harness | 2011-2016 GM 2500HD/3500HD 6.6L Duramax

Price
$29.99
Fleece FPE-LML-HS-FEED Replacement CP3 Feed Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-LML-HS-FEED Replacement CP3 Feed Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-LML-HS-FEED Replacement CP3 Feed Hose for LML CP3 Conversion Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$19.99
Fleece FPE-LML-CP3-10 CP3 Conversion Kit with Heavy-Duty CP3 | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-LML-CP3-10 CP3 Conversion Kit with Heavy-Duty CP3 | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-LML-CP3-10 CP3 Conversion Kit with Heavy-Duty CP3 | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$2,499
Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML
Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML

Wehrli Custom Fab

Wehrli 100094 Twin CP3 Controller | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM/LML

Price
$241.53
PPE 113061017 Dual Fueler Race Valve | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 113061017 Dual Fueler Race Valve | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 113061017 Dual Fueler Race Valve | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$89.99

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2011-2016 6.6L Silverado & Sierra 2500HD/3500HD

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