Shop LML CP4 Replacement

Sponsored
About our ads
$2,499.00
$2,999.99
2011-2016 6.6L GMC/CHEVY DURAMAX LML CP4 Fuel Pump Failure / Disaster / Contamination Kit / OEM
Dieselogic
16% off
$2,499.00
$2,999.99
2011-2016 6.6L GMC/CHEVY DURAMAX LML CP4 Fuel Pump Failure / Disaster / Contamination Kit / OEM
Dieselogic
$2,149.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Injectors, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$2,149.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Injectors, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$3,699.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$3,699.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$734.95
XDP OER Series CP4 Fuel Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$734.95
XDP OER Series CP4 Fuel Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$3,399.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$3,399.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$1,339.00
Duramax 11-16 LML Brand New Stock CP4 Dynomite Diesel
Norcal Diesel Performance
Free shipping
$1,339.00
Duramax 11-16 LML Brand New Stock CP4 Dynomite Diesel
Norcal Diesel Performance
$3,499.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$3,499.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,699.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$2,699.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$735.95
2011-2014 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$735.95
2011-2014 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$198.89
Exergy Improved Stock CP4.2 Pump, 2011-2016 LML
MyBestShoe
Free shipping
$198.89
Exergy Improved Stock CP4.2 Pump, 2011-2016 LML
MyBestShoe
$2,899.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,899.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,600.00
S&S Diesel Motorsport® 50 State LML CP3 Conversion Compatible With 2011-2016 GM LML Duramax Diesel (LML-CP3-CARB)
Amazon.com
2
Free shipping
$2,600.00
S&S Diesel Motorsport® 50 State LML CP3 Conversion Compatible With 2011-2016 GM LML Duramax Diesel (LML-CP3-CARB)
Amazon.com
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 Duramax LML
Diesel Power Products
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 Duramax LML
Diesel Power Products
$198.89
Brand New Bosch CP4 Injection Pump, 2011-2016 LML - Default Title MWS Options 5
MyBestShoe
Free shipping
$198.89
Brand New Bosch CP4 Injection Pump, 2011-2016 LML - Default Title MWS Options 5
MyBestShoe
$755.00
2015-2019 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$755.00
2015-2019 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$635.00
Reman OEM CP4 Pump For LML LGH Duramax 2011-2016 6.6L
Norcal Diesel Performance
Free shipping
$635.00
Reman OEM CP4 Pump For LML LGH Duramax 2011-2016 6.6L
Norcal Diesel Performance
$1,096.56
BOSCH 0445010817 New Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
2
$1,096.56
BOSCH 0445010817 New Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$549.00
New LML/LGH CP4 Injection Pump
Diesel Auto Power - July 7th 2025
$549.00
New LML/LGH CP4 Injection Pump
Diesel Auto Power - July 7th 2025
$485.00
11-16 6.6L Remanufactured Gm Chevy Duramax Lml Cp4 Fuel Pump (2161) -
eBay
Free shipping
$485.00
11-16 6.6L Remanufactured Gm Chevy Duramax Lml Cp4 Fuel Pump (2161) -
eBay
$2,400.00
S&S Diesel Motorsport® CP4 To DCR Pump Conversion Compatible With 2011+ Ford 6.7 Powerstroke Diesel (6.7F-DCR-1)
Amazon.com
Free shipping
$2,400.00
S&S Diesel Motorsport® CP4 To DCR Pump Conversion Compatible With 2011+ Ford 6.7 Powerstroke Diesel (6.7F-DCR-1)
Amazon.com
$1,092.50
Dynomite Diesel Brand New Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$1,092.50
Dynomite Diesel Brand New Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
1
Free shipping
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
$1,092.50
11-16 GM LML 6.6L Duramax DDP New CP4 Injection Pump
Pure Diesel Power
$1,092.50
11-16 GM LML 6.6L Duramax DDP New CP4 Injection Pump
Pure Diesel Power
$680.00
BOSCH 0986437421 Remanufactured Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$680.00
BOSCH 0986437421 Remanufactured Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$100.00
CP4 Pump Chevy Duramax LML
eBay
Free shipping
$100.00
CP4 Pump Chevy Duramax LML
eBay
$1,999.00
11-16 GM LML 6.6L Duramax Industrial Injection CP4 To CP3 Conversion Kit With Pump (Emissions Intact)
Pure Diesel Power
$1,999.00
11-16 GM LML 6.6L Duramax Industrial Injection CP4 To CP3 Conversion Kit With Pump (Emissions Intact)
Pure Diesel Power
$561.70
11-16 GM 6.6L LML & LGH Duramax Bosch Reman CP4 High Pressure Pump
Pure Diesel Power
$561.70
11-16 GM 6.6L LML & LGH Duramax Bosch Reman CP4 High Pressure Pump
Pure Diesel Power
$1,738.54
11-16 LML Duramax CP4 To CP3 Conversion Kit W/CP3 Pump - Tuning Req
Pure Diesel Power
1
$1,738.54
11-16 LML Duramax CP4 To CP3 Conversion Kit W/CP3 Pump - Tuning Req
Pure Diesel Power
$600.00
GMC Sierra LML Duramax Bosch CP4 Fuel Injection Pump & Regulator
eBay.com
1
Free shipping
$600.00
GMC Sierra LML Duramax Bosch CP4 Fuel Injection Pump & Regulator
eBay.com
$699.99
0445010616 CP4 High Pressure Fuel Injection Pump For GMC Duramax 6.6L LML Engine
eBay.com
Free shipping
$699.99
0445010616 CP4 High Pressure Fuel Injection Pump For GMC Duramax 6.6L LML Engine
eBay.com
$506.09
11-16 GM LML/ LGH 6.6L Duramax Diamond Advantage Reman CP4 Fuel Pump
Pure Diesel Power
$506.09
11-16 GM LML/ LGH 6.6L Duramax Diamond Advantage Reman CP4 Fuel Pump
Pure Diesel Power
$81.99
Exergy CP4 Saver Improved Stock Inlet Metering Valve For 2011-2016 LML Duramax
eBay
Free shipping
$81.99
Exergy CP4 Saver Improved Stock Inlet Metering Valve For 2011-2016 LML Duramax
eBay
$1,115.99
New OEM Bosch CP4 Diesel Injection Pump For 2011-2016 Chevy GMC 6.6L Duramax LML
eBay.com
1
Free shipping
$1,115.99
New OEM Bosch CP4 Diesel Injection Pump For 2011-2016 Chevy GMC 6.6L Duramax LML
eBay.com
$600.00
BOSCH 0445010817 NEW CP4 INJECTION PUMP 11-16 GM 6.6L DURAMAX LML
eBay.com
Free shipping
$600.00
BOSCH 0445010817 NEW CP4 INJECTION PUMP 11-16 GM 6.6L DURAMAX LML
eBay.com
$150.00
Core Charge For New LML/LGH CP4 Injection Pump
Diesel Auto Power - July 7th 2025
$150.00
Core Charge For New LML/LGH CP4 Injection Pump
Diesel Auto Power - July 7th 2025
2.7K views · 16 reactions | After a catastrophic CP4 failure, small metallic debris will be sent through the fuel system. Choose kit with CP4, CARB certified CP3, or no pump. https://www.merchant-automotive.com/Fuel_System_Replacement_Kit_LML.aspx | Merchant Automotive, LLC | Facebook
1:24
2.7K views · 16 reactions | After a catastrophic CP4 failure, small me…
2.8K views1 week ago
FacebookMerchant Automotive, LLC
Chevrolet GMC Duramax LML CP4 to CP3 Conversion 2011-2016 ( Kit )
0:17
Chevrolet GMC Duramax LML CP4 to CP3 Conversion 2011-2016 ( Kit )
97 views7 months ago
YouTubeTamerX Diesel Products, LLC
2011-2016 LML 6.6 Duramax Cp4 injectors fuel rails and line replacement
47:19
2011-2016 LML 6.6 Duramax Cp4 injectors fuel rails and line replace…
48.6K viewsApr 7, 2022
YouTubeAutomedic Garage
Diesel CP4 – CP3 Injection Pump Upgrade Conversion LML For 2011-2016 GM 6.6L Duramax
0:05
Diesel CP4 – CP3 Injection Pump Upgrade Conversion LML For 201…
595 viewsSep 4, 2023
YouTubeMini Maxx Tuner
LML Duramax CP4 Fix, S&S 50 State Legal CP3 Conversion Kit Install
20:12
LML Duramax CP4 Fix, S&S 50 State Legal CP3 Conversion Kit Install
114.9K viewsFeb 2, 2020
YouTubeDmaxStore
Fleece LML CP3 Conversion Kit w/ CP3 for 11-16 Chevy/GMC Duramax
Fleece LML CP3 Conversion Kit w/ CP3 for 11-16 Chevy/GMC Duramax
8 months ago
fleeceperformance.com
LML CP4 failure tear down and why your 11-16 Duramax needs a lift pump!
6:08
LML CP4 failure tear down and why your 11-16 Duramax needs a lift p…
77.6K viewsJul 18, 2018
YouTubeRace Ready Fab
33:41
2015 Chevy Silverado 2500Hd Lml Duramax Cp4 Replacement
48.9K viewsMay 31, 2023
YouTubeDrews Shop Life
2:33
The Ultimate CP4 Upgrade for Your LML Duramax Diesel
2.5K views6 months ago
YouTubeDmaxStore
1:04
joe explains how to time a cp4 on a LML duramax - Dirtys House of Di…
17.3K viewsFeb 3, 2016
YouTubejoe durty
10:25
LML Duramax Exergy Fuel System Saver Install: This Could Save Yo…
69.1K viewsAug 15, 2020
YouTubeFixed Vane Duramax
2:40
LML Duramax Cp4 Fuel Injection Pump
55.4K viewsDec 5, 2015
YouTubeToxic Diesel
7:22
LML cp3 cp4 duramax fuel system explained how it works delivery fe…
13.6K views9 months ago
YouTubeRichie's Truck and Auto
9:43
500hp LML DURAMAX CP4 Straight Pipe TOP SPEED Pulls and Digs! 4…
18.1K viewsAug 22, 2022
YouTubeCrown Racing Co.
2:41
Replace a Duramax LML injector WITHOUT buying any special tools
16.2K viewsDec 3, 2019
YouTubeWelsh Farms
3:05
WCFab - CP4 Fuel System Saver for LML Duramax
108.8K viewsAug 10, 2018
YouTubeWCFab
4:57
Duramax CP4 to CP3 conversion
6.3K viewsDec 16, 2020
YouTubeMechanic Dave
9:54
LML Duramax FASS 165 Lift Pump Install Prevent CP4 Fuel Pump Fail…
39.9K viewsApr 19, 2022
YouTubeCrown Racing Co.
4:43
Duramax LML Fuel Filter Replacement How-To
92.5K viewsDec 11, 2017
YouTubeFROGMAN524
2:36:30
Our Biggest Install Yet! DITCH Your Unreliable CP4 Pump For Somethi…
335.5K viewsNov 17, 2020
YouTubeThoroughbred Diesel
28:38
HOW TO REPLACE THE FPR ON A DURAMAX
54.9K viewsOct 23, 2021
YouTubeFull Throttle HQ
2:52
Cp4 pump removal lml duramax
14.8K viewsMar 15, 2021
YouTubeD J
22:54
LML Duramax ARP Head Stud and CP3 install
11K viewsJun 24, 2022
YouTubeOperation: Overhaul
3:56
Cartell CP4 ● Automatic Gate Opener Free Exit Sensor ● Overvi…
21.8K viewsMay 19, 2022
YouTubeApache Ranch
19:20
REMOVING FUEL RESTRICTIONS FROM YOUR DURAMAX ENGINE!
64.7K viewsJan 26, 2021
YouTubeJordan Campbell
9:16
LML PERFORMANCE SWITCH LSP INSTALLATION - UPDATED
49.7K viewsDec 5, 2017
YouTubeDuramaxtuner
9:58
All About the Duramax LML | Common Problems & Reliability
86.2K viewsFeb 14, 2023
YouTube8020 Automotive
17:33
How to prevent CP4 injection pump from failing, CP4 and CP3 mainten…
56.3K viewsMar 1, 2020
YouTuberepairvehicle
14:12
Preventative Upgrades: Replacing CP4 with CP3 Pump & Fass Fuel S…
141.8K viewsJul 31, 2024
YouTubeDave's Auto Center
15:17
Here is how much the CP4 failure cost to repair // HUGE BILL
17.7K viewsSep 6, 2021
YouTubeFoxcast Media
See more videos
Static thumbnail place holder

Shop LML CP4 Replacement

Sponsored
About our ads
$2,499.00
$2,999.99
2011-2016 6.6L GMC/CHEVY DURAMAX LML CP4 Fuel Pump Failure / Disaster / Contamination Kit / OEM
Dieselogic
16% off
$2,499.00
$2,999.99
2011-2016 6.6L GMC/CHEVY DURAMAX LML CP4 Fuel Pump Failure / Disaster / Contamination Kit / OEM
Dieselogic
$2,149.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Injectors, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$2,149.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Injectors, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$3,699.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$3,699.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$734.95
XDP OER Series CP4 Fuel Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$734.95
XDP OER Series CP4 Fuel Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
$3,399.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$3,399.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 6.6L Duramax LML
Diesel Power Products
$1,339.00
Duramax 11-16 LML Brand New Stock CP4 Dynomite Diesel
Norcal Diesel Performance
Free shipping
$1,339.00
Duramax 11-16 LML Brand New Stock CP4 Dynomite Diesel
Norcal Diesel Performance
$3,499.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$3,499.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Bosch® New (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,699.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$2,699.99
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Full Kit, Core Deposit Option:: Credit Card On File, Gasket Kit Option: No Gasket Kit Needed)
InjectorsDirect.com
$735.95
2011-2014 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$735.95
2011-2014 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$198.89
Exergy Improved Stock CP4.2 Pump, 2011-2016 LML
MyBestShoe
Free shipping
$198.89
Exergy Improved Stock CP4.2 Pump, 2011-2016 LML
MyBestShoe
$2,899.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,899.98
2011-2016 Duramax LML CP4 High Pressure Fuel Pump Failure Kit - Remanufactured (Kit Options: Kit Without Pump, Core Deposit Option:: Return Cores In Advance, Gasket Kit Option: Add Gasket Kit)
InjectorsDirect.com
$2,600.00
S&S Diesel Motorsport® 50 State LML CP3 Conversion Compatible With 2011-2016 GM LML Duramax Diesel (LML-CP3-CARB)
Amazon.com
2
Free shipping
$2,600.00
S&S Diesel Motorsport® 50 State LML CP3 Conversion Compatible With 2011-2016 GM LML Duramax Diesel (LML-CP3-CARB)
Amazon.com
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 Duramax LML
Diesel Power Products
$736.25
Dynomite Diesel Stock CP4 Injection Pump 11-16 Duramax LML
Diesel Power Products
$198.89
Brand New Bosch CP4 Injection Pump, 2011-2016 LML - Default Title MWS Options 5
MyBestShoe
Free shipping
$198.89
Brand New Bosch CP4 Injection Pump, 2011-2016 LML - Default Title MWS Options 5
MyBestShoe
$755.00
2015-2019 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$755.00
2015-2019 FORD POWERSTROKE SCORPION 6.7L CP4 FUEL PUMP, OEM BOSCH OPTION
Dieselogic
$635.00
Reman OEM CP4 Pump For LML LGH Duramax 2011-2016 6.6L
Norcal Diesel Performance
Free shipping
$635.00
Reman OEM CP4 Pump For LML LGH Duramax 2011-2016 6.6L
Norcal Diesel Performance
$1,096.56
BOSCH 0445010817 New Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products
2
$1,096.56
BOSCH 0445010817 New Stock CP4 Injection Pump 11-16 GM 6.6L Duramax LML
Diesel Power Products