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Fuel System Replacement Kit, LML, 2011-2016, Duramax

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.
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. 

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:  
2011, 2012, 2013, 2014, 2015, 2016
Price Range:   $4,142.95 - $6,437.15
Pump Option: 
Select Options
After a catastrophic CP4 failure, small metallic debris will be sent through the fuel system. To properly address this issue, all affected fuel system components need to be replaced. If you have experienced this failure, we have assembled a comprehensive fuel replacement kit for your LML 2011-2016 Duramax.

Our complete solution includes everything that GM recommends to be replaced and then some.

Choose Pump Option: CP4, CARB certified CP3, or no pump.

Install Kit Includes:
Fuel rails
Fuel injectors
Fuel lines
Master Filter Head Kit (Filters, filter head rebuild kit / spacer, WIF plug, bleeder screw, MA Additive)
and all the gaskets and seals to do the job.

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 the LML
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