Shop LML CP4 to CP3 Conversion Fleece

Sponsored
About our ads
$1,999.00
Fleece CP3 Conversion Kit For 2011-2016 LML Duramax Diesel | FPE-LML-CP3-WP
Thoroughbred Diesel
6
$1,999.00
Fleece CP3 Conversion Kit For 2011-2016 LML Duramax Diesel | FPE-LML-CP3-WP
Thoroughbred Diesel
6
$1,989.01
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/CP3 (FPE-LML-CP3-WP)
Amazon.com
1
Free shipping
$1,989.01
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/CP3 (FPE-LML-CP3-WP)
Amazon.com
1
$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
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
Free shipping
$2,098.95
Fleece Performance CP3 Conversion Kit With CP3 For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$2,098.95
Fleece Performance CP3 Conversion Kit With CP3 For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$786.45
Fleece Performance CP3 Conversion Hardware Kit (No Pump) For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$786.45
Fleece Performance CP3 Conversion Hardware Kit (No Pump) For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$1,999.00
2011-2016 LML CP3 Conversion Kit With CP3K Pump Fleece Performance
Norcal Diesel Performance
8
Free shipping
$1,999.00
2011-2016 LML CP3 Conversion Kit With CP3K Pump Fleece Performance
Norcal Diesel Performance
8
$179.99
$219.50
Cp4 To Cp3 Injection Pump Upgrade Conversion For 11-16 Gm 6.6 Lml
eBay
Free shipping
17% off
$179.99
$219.50
Cp4 To Cp3 Injection Pump Upgrade Conversion For 11-16 Gm 6.6 Lml
eBay
Free shipping
$2,600.00
2011-2016 Duramax LML CP3 Conversion Kit - No Tuning Required - S&S Diesel Motorsport
InjectorsDirect.com
$2,600.00
2011-2016 Duramax LML CP3 Conversion Kit - No Tuning Required - S&S Diesel Motorsport
InjectorsDirect.com
$749.00
Fleece Performance Lml Cp3 Conversion Hardware Kit (No Pump) For
eBay
Free shipping
$749.00
Fleece Performance Lml Cp3 Conversion Hardware Kit (No Pump) For
eBay
Free shipping
$2,073.95
Fleece Performance Fpe-Lml-Cp3-Wp Cp3 Conversion Kit With Pump For
eBay
Free shipping
$2,073.95
Fleece Performance Fpe-Lml-Cp3-Wp Cp3 Conversion Kit With Pump For
eBay
Free shipping
$179.99
$199.99
Diesel Cp4 - Cp3 Injection Pump Upgrade Conversion Lml For Gm 11-16
eBay
Free shipping
10% off
$179.99
$199.99
Diesel Cp4 - Cp3 Injection Pump Upgrade Conversion Lml For Gm 11-16
eBay
Free shipping
$20.99
Fleece Performance Replacement CP3 Return Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$20.99
Fleece Performance Replacement CP3 Return Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$599.00
DAP 11-16 LML CP4 CP3 Conversion Kit- Pump Optional CP3:LBZ_LMM
Diesel Auto Power - July 7th 2025
$599.00
DAP 11-16 LML CP4 CP3 Conversion Kit- Pump Optional CP3:LBZ_LMM
Diesel Auto Power - July 7th 2025
$2,016.80
Fleece CP3 Conversion Kit W/CP3 Pump Fits 2011-2016 GM 2500 3500 Duramax LML
eBay
8
Free shipping
$2,016.80
Fleece CP3 Conversion Kit W/CP3 Pump Fits 2011-2016 GM 2500 3500 Duramax LML
eBay
8
$749.00
Fleece Lml Cp3 Conversion Hardware Kit (No Pump)- 2011-2016 6.6L Chevy/Gmc Duramax
Blessed Performance
7
$749.00
Fleece Lml Cp3 Conversion Hardware Kit (No Pump)- 2011-2016 6.6L Chevy/Gmc Duramax
Blessed Performance
7
$2,699.00
Fleece Cp3 Conversion Kit With Heavy Duty Cp3 For 2011-2016 Lml Duramax
Blessed Performance
5
$2,699.00
Fleece Cp3 Conversion Kit With Heavy Duty Cp3 For 2011-2016 Lml Duramax
Blessed Performance
5
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
7
Free shipping
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
7
$787.95
Fleece Performance Fpe-Lml-Cp3-Np Cp3 Conversion Hardware Kit For
eBay
$787.95
Fleece Performance Fpe-Lml-Cp3-Np Cp3 Conversion Hardware Kit For
eBay
$179.99
$224.99
CP4 - CP3 Injection Pump Upgrade Conversion For 11-16 GM 6.6L LML Duramax Diesel
eBay
Free shipping
20% off
$179.99
$224.99
CP4 - CP3 Injection Pump Upgrade Conversion For 11-16 GM 6.6L LML Duramax Diesel
eBay
Free shipping
$786.00
Fleece Performance Cp3 Conversion Kit For 2011 To 2016 6.6L Lml Duramax
Blessed Performance
$786.00
Fleece Performance Cp3 Conversion Kit For 2011 To 2016 6.6L Lml Duramax
Blessed Performance
$2,222.27
$2,444.50
Fleece CP3 Conversion Kit W/ Pump | 2011-2016 LML Duramax
SuspensionLifts.com
6
$2,222.27
$2,444.50
Fleece CP3 Conversion Kit W/ Pump | 2011-2016 LML Duramax
SuspensionLifts.com
6
$180.69
$212.58
CP4-CP3 Injection Pump Upgrade Conversion For 11-16 GM 6.6L LML Duramax Diese
eBay
Free shipping
15% off
$180.69
$212.58
CP4-CP3 Injection Pump Upgrade Conversion For 11-16 GM 6.6L LML Duramax Diese
eBay
Free shipping
$2,599.00
Fleece CP3 Conversion Kit With Heavy Duty CP3 Pump, 2011-2016 LML, No Thanks
Dmaxstore
5
$2,599.00
Fleece CP3 Conversion Kit With Heavy Duty CP3 Pump, 2011-2016 LML, No Thanks
Dmaxstore
5
$2,600.00
S&S Diesel CP4 To CP3 Conversion Kit With Re-Calibrated Pump, 2011-2016 GM 6.6L Duramax, LML
ZZ Diesel
$2,600.00
S&S Diesel CP4 To CP3 Conversion Kit With Re-Calibrated Pump, 2011-2016 GM 6.6L Duramax, LML
ZZ Diesel
$159.99
Diesel CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6L Duramax
eBay
Free shipping
$159.99
Diesel CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6L Duramax
eBay
Free shipping
$20.99
Fleece Performance Replacement CP3 Feed Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$20.99
Fleece Performance Replacement CP3 Feed Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$2,673.03
Fleece For 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3
eBay
Free shipping
$2,673.03
Fleece For 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3
eBay
Free shipping
$179.99
$224.99
Diesel CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6L Duramax
eBay
Free shipping
20% off
$179.99
$224.99
Diesel CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6L Duramax
eBay
Free shipping
$1,999.00
Fleece Performance Lml Cp3 Conversion Kit W/ Cp3k For 2011 - 2016
eBay
$1,999.00
Fleece Performance Lml Cp3 Conversion Kit W/ Cp3k For 2011 - 2016
eBay
$1,999.00
Fleece Cp3 Conversion Kit 2011 To 2016 6.6L Lml Duramax
Blessed Performance
8
$1,999.00
Fleece Cp3 Conversion Kit 2011 To 2016 6.6L Lml Duramax
Blessed Performance
8
$94.87
$218.15
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3 (FPE-LML-CP3-10)
us.topthebusiness
56% off
$94.87
$218.15
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3 (FPE-LML-CP3-10)
us.topthebusiness
$2,085.96
Fleece LML CP3 Conversion Kit With CP3 For 2011-2016 GM 6.6L LML Duramax
eBay
Free shipping
$2,085.96
Fleece LML CP3 Conversion Kit With CP3 For 2011-2016 GM 6.6L LML Duramax
eBay
Free shipping
$751.25
Fleece FPE-LML-CP3-NP CP3 Conversion Hardware Kit Only For Duramax LML 11-16
eBay
$751.25
Fleece FPE-LML-CP3-NP CP3 Conversion Hardware Kit Only For Duramax LML 11-16
eBay
$2,230.95
Industrial Injection LML Duramax CP4 To CP3 Conversion Kit With Pump Factory Fit - 11-16 GM Duramax | 436401
Thoroughbred Diesel
$2,230.95
Industrial Injection LML Duramax CP4 To CP3 Conversion Kit With Pump Factory Fit - 11-16 GM Duramax | 436401
Thoroughbred Diesel
$749.00
2011-2016 LML CP3 Conversion Kit W/O Pump Fleece Performance
Norcal Diesel Performance
7
Free shipping
$749.00
2011-2016 LML CP3 Conversion Kit W/O Pump Fleece Performance
Norcal Diesel Performance
7
$94.87
$218.15
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3 (FPE-LML-CP3-10)
atpeventdecor.com
56% off
$94.87
$218.15
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/HD CP3 (FPE-LML-CP3-10)
atpeventdecor.com
Fleece LML CP3 Conversion Hardware Kit: No Pump
Fleece LML CP3 Conversion Hardware Kit: No Pump
Jan 31, 2022
fleeceperformance.com
Dynoing a customer's LML today featuring our CP3 conversion and sS463 turbo! Expect to see more of this beautiful truck soon! #fleeceperformance #lml #PowerFlo750 | Fleece Performance Engineering
0:15
Dynoing a customer's LML today featuring our CP3 conversion and …
10.6K viewsApr 27, 2016
FacebookFleece Performance Engineering
LML CP3 conversion
LML CP3 conversion
Nov 14, 2023
yellowbullet.com
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
11 months ago
fleeceperformance.com
https://www.merchant-automotive.com/LML_Duramax_CP3_Conversion_Kit.aspx The CP4 was introduced as a cost reduction to the LML platform since a smaller amount of fuel is required when running the more efficient injectors. Since its introduction it has proven to be less reliable than the CP3 used in previous Duramax platforms. NEW Bosch OEM CP3 No Tuning Required CP3 is already re-calibrated to match the LML stock CP4 fuel curve Kit is designed to replace the less reliable CP4 that comes stock on
1:30
https://www.merchant-automotive.com/LML_Duramax_C…
2.1K viewsAug 29, 2018
FacebookMerchant Automotive, LLC
2016 LML Duramax CP4 to CP3 Conversion
2016 LML Duramax CP4 to CP3 Conversion
Apr 11, 2024
duramaxforum.com
2.4K views · 64 reactions | WCFab LML CP3 Conversion Kit; We offer...
1:58
2.4K views · 64 reactions | WCFab LML CP3 Conversion Kit; We offer...
2.5K views3 weeks ago
FacebookWehrli Custom Fabrication Inc.
Still running a CP4 in your LML Duramax? Our CP3 Conversion Ki…
961 views3 months ago
FacebookWehrli Custom Fabrication Inc.
3:05
1.8K views · 35 reactions | The Exergy Performance Fuel System …
1.9K views2 weeks ago
FacebookWehrli Custom Fabrication Inc.
Fleece 6.7L Cummins CP3K: High-Performance Fuel Pump
Oct 1, 2018
fleeceperformance.com
2:13
Brayden Fleece owner of Fleece Performance Engineering Explain…
10.5K viewsJun 24, 2019
FacebookDiesel World
3:21
4.2K views · 69 reactions | These kits are the perfect solution for...
4.3K views3 weeks ago
FacebookWehrli Custom Fabrication Inc.
0:17
Chevrolet GMC Duramax LML CP4 to CP3 Conversion 2011-2016 ( Kit )
1 views1 month ago
YouTubeTamerX Diesel Products, LLC
0:37
Another LML back in the shop
1.1K views3 months ago
YouTubePoor Boys Diesel
LML Duramax with a Fleece CP3 pump conversion. #automobile #d…
15.6K viewsAug 21, 2024
YouTubeBlue collar diesel
1993 Fox Body Cobra Conversion Parts - LMR.com
Feb 6, 2014
lmr.com
Exciting CP3 Conversion for LML Duramax Project
10.3K viewsDec 6, 2024
TikTokrandinicoler
Fleece 5.9L Cummins CP3K: High-Performance Fuel Pump
Jan 1, 2009
fleeceperformance.com
How to Convert LML Duramax CP4 Injection Pump to CP3
Dec 19, 2022
motortrend.com
27:56
Duramax CP3 Removal, LMM, Part 2
57.8K viewsJan 17, 2016
YouTubePterassic NW
2:39
LML Duramax Cp4 Pump Timing
61.8K viewsJan 28, 2016
YouTubeToxic Diesel
19:16
DURAMAX LLY 2004 CP3 PUMP REPLACEMENT
67.5K viewsDec 18, 2020
YouTubeJosh “the artisan mechanic” Logan
6:57
Duramax Injector pump CP3 removal requirements
146.4K viewsNov 7, 2015
YouTubeRancher 96
5:05
Beginner's Guide to CLO Part 3 Garment Details: Pressure (Lesso…
72.3K viewsMar 17, 2020
YouTubeCLO
11:19
Beginner's Guide to CLO Part 3 Garment Details: Elastic (Lesson 2)
85.9K viewsMar 17, 2020
YouTubeCLO
9:21
S&S Diesel Motorsport LML CP3 Conversion Kits Explained
36.9K viewsDec 17, 2019
YouTubeSSfueled
19:02
CP4 TO CP3 CONVERSION ON 5TH GEN CUMMINS!!
5.7K viewsMay 22, 2021
YouTubeEVERYTHANG DIESEL
0:45
WCFab on Instagram: "Still running a CP4 in your LML Duramax? Our …
8.7K views3 months ago
Instagramwehrlicustomfab
4:57
How To Install a LBZ/LMM Duramax Fuel Injection Pump
168.5K viewsOct 26, 2015
YouTubeToxic Diesel
2:52
Cp4 pump removal lml duramax
14.8K viewsMar 15, 2021
YouTubeD J
See more videos
Static thumbnail place holder

Shop LML CP4 to CP3 Conversion Fleece

Sponsored
About our ads
$1,999.00
Fleece CP3 Conversion Kit For 2011-2016 LML Duramax Diesel | FPE-LML-CP3-WP
Thoroughbred Diesel
6
$1,999.00
Fleece CP3 Conversion Kit For 2011-2016 LML Duramax Diesel | FPE-LML-CP3-WP
Thoroughbred Diesel
6
$1,989.01
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/CP3 (FPE-LML-CP3-WP)
Amazon.com
1
Free shipping
$1,989.01
Fleece Performance - 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit W/CP3 (FPE-LML-CP3-WP)
Amazon.com
1
$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
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
Free shipping
$2,098.95
Fleece Performance CP3 Conversion Kit With CP3 For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$2,098.95
Fleece Performance CP3 Conversion Kit With CP3 For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$786.45
Fleece Performance CP3 Conversion Hardware Kit (No Pump) For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$786.45
Fleece Performance CP3 Conversion Hardware Kit (No Pump) For 2011-2016 LML Duramax
Mark DeCola Diesel Performance LLC
$1,999.00
2011-2016 LML CP3 Conversion Kit With CP3K Pump Fleece Performance
Norcal Diesel Performance
8
Free shipping
$1,999.00
2011-2016 LML CP3 Conversion Kit With CP3K Pump Fleece Performance
Norcal Diesel Performance
8
$179.99
$219.50
Cp4 To Cp3 Injection Pump Upgrade Conversion For 11-16 Gm 6.6 Lml
eBay
Free shipping
17% off
$179.99
$219.50
Cp4 To Cp3 Injection Pump Upgrade Conversion For 11-16 Gm 6.6 Lml
eBay
Free shipping
$2,600.00
2011-2016 Duramax LML CP3 Conversion Kit - No Tuning Required - S&S Diesel Motorsport
InjectorsDirect.com
$2,600.00
2011-2016 Duramax LML CP3 Conversion Kit - No Tuning Required - S&S Diesel Motorsport
InjectorsDirect.com
$749.00
Fleece Performance Lml Cp3 Conversion Hardware Kit (No Pump) For
eBay
Free shipping
$749.00
Fleece Performance Lml Cp3 Conversion Hardware Kit (No Pump) For
eBay
Free shipping
$2,073.95
Fleece Performance Fpe-Lml-Cp3-Wp Cp3 Conversion Kit With Pump For
eBay
Free shipping
$2,073.95
Fleece Performance Fpe-Lml-Cp3-Wp Cp3 Conversion Kit With Pump For
eBay
Free shipping
$179.99
$199.99
Diesel Cp4 - Cp3 Injection Pump Upgrade Conversion Lml For Gm 11-16
eBay
Free shipping
10% off
$179.99
$199.99
Diesel Cp4 - Cp3 Injection Pump Upgrade Conversion Lml For Gm 11-16
eBay
Free shipping
$20.99
Fleece Performance Replacement CP3 Return Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$20.99
Fleece Performance Replacement CP3 Return Hose For LML CP3 Conversion Kit
Mark DeCola Diesel Performance LLC
$599.00
DAP 11-16 LML CP4 CP3 Conversion Kit- Pump Optional CP3:LBZ_LMM
Diesel Auto Power - July 7th 2025
$599.00
DAP 11-16 LML CP4 CP3 Conversion Kit- Pump Optional CP3:LBZ_LMM
Diesel Auto Power - July 7th 2025
$2,016.80
Fleece CP3 Conversion Kit W/CP3 Pump Fits 2011-2016 GM 2500 3500 Duramax LML
eBay
8
Free shipping
$2,016.80
Fleece CP3 Conversion Kit W/CP3 Pump Fits 2011-2016 GM 2500 3500 Duramax LML
eBay
8
$749.00
Fleece Lml Cp3 Conversion Hardware Kit (No Pump)- 2011-2016 6.6L Chevy/Gmc Duramax
Blessed Performance
7
$749.00
Fleece Lml Cp3 Conversion Hardware Kit (No Pump)- 2011-2016 6.6L Chevy/Gmc Duramax
Blessed Performance
7
$2,699.00
Fleece Cp3 Conversion Kit With Heavy Duty Cp3 For 2011-2016 Lml Duramax
Blessed Performance
5
$2,699.00
Fleece Cp3 Conversion Kit With Heavy Duty Cp3 For 2011-2016 Lml Duramax
Blessed Performance
5
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
7
Free shipping
$1,794.45
LML Duramax CP4 To CP3 Conversion Kit With Stock Pump - Custom Tuning Req
Norcal Diesel Performance
7
$787.95
Fleece Performance Fpe-Lml-Cp3-Np Cp3 Conversion Hardware Kit For
eBay
$787.95
Fleece Performance Fpe-Lml-Cp3-Np Cp3 Conversion Hardware Kit For
eBay