2011-2016 Duramax LML CP3 Conversion Kit
$2,500.00 – $5,199.98
- free 2-3 day shipping
Free 2-3 Day Shipping for orders over $100. Oversized and hazardous products ship using Ground service and may take up to 5 days. See our Shipping Policy for more information.
- no hassle 60 day returns
60 day return period for any product that has not been installed and is in "brand-new" condition. See our Returns Policy for more information.
- best warranty
Our limited warranty covers manufactured/material defects but does not cover damage cause from outside influence. See our Limited Warranty Policy for more information.
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Shipping Note: Free shipping on this kit is Ground due to size & weight. Expedited shipping options are available (prices calculated based on delivery address) and will be displayed on the checkout page.
S&S Diesel Motorsport – 50 State LML CP3 Conversion Kit with Pump
Fits 2011-2016 Duramax LML applications
- Legal in all 50 States
- CARB Compliant
- Suitable for use with DPF systems (no delete required)
- No Tuning Required
S&S Diesel Motorsport has developed a solution for the CP4 high-pressure pump failures that have plagued the 2011-2016 Duramax LML engine. The S&S solution is to remove the problem before it becomes a problem, by replacing the CP4 with a tried and true, bulletproof CP3 high pressure fuel pump.
CP4 high pressure pumps are the Achilles heel of the LML Duramax engine because of high failure rates, and commonly taking out the entire, very costly, high-pressure system with it (injectors, rails, lines). S&S Diesel Motorsport offers the only CARB-compliant 50 state CP3 conversion available for the LML. This includes all hardware necessary to replace the troublesome CP4 with a bulletproof CP3, requires no tuning changes, and still maintains factory emissions control equipment.
Each component carries a three-year warranty. Information about warranty policies can be found HERE.
CP3 Conversion Kit + Pump Failure Kit –
- S&S 50 State LML CP3 Conversion Kit
- BOSCH® OEM New LML Injectors (8)
- BOSCH® OEM New Fuel Rails
- BOSCH® OEM New Return Line Assembly
- GM OEM New Fuel Lines (Pump to rail, rail to rail & rails to injectors)
S&S 50 State LML CP3 Conversion Kit Only – $2,500.00
* Free shipping on this kit is Ground due to size & weight. Expedited shipping options are available (prices calculated based on delivery address) and will be displayed on the checkout page.
GM Part #s 19256590, 12661059, 98077841, 12670468, 12670469, 12670471, 12670460, 12639000, 12670466, 12651989, 12620532
BOSCH® Part #s 0 445 117 010, 0 445 010 817, F 00R L01 027, F 00R L00 591
Replaces GM Part #s 98063063, 98063064, 98063065, 98063066, 12620534
Replaces BOSCH® Part #s 0 986 435 410, 0 986 437 421, 0 445 010 687
Replaces Diesel Forward Part # DKT1116LML