CP4 High Pressure Fuel Pump Failure Points vs. the CP3 Pump

DmaxStoreJake

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Join Date: Oct 2015

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CP4 High Pressure Fuel Pump Failure Points vs. the CP3 Pump

06-12-2019, 07:22 AM

In this video Luke Langeller, a former high performance engine development engineer, gives his insight on what the shortcomings for the factory CP4 high pressure fuel pump. He also goes over why the CP3 high pressure fuel pump is not prone to the same failures and it is a reliable option for retrofitting in your 2011-2016 LML Duramax.

Bosch CP4 vs CP3 High Pressure Fuel Pump Comparison - YouTube

https://www.youtube.com

Being a former high-performance engine development engineer at Cummins has given Luke Langellier insight on why some OEs went to the Bosch CP4 high pressure ...
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BattleRedLML

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Join Date: May 2019

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#2

06-13-2019, 03:21 PM

i just order exergy upgraded fuel pressure regulator for my cp4 until i can convert it to cp3 ...good video
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DmaxStoreJake

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06-13-2019, 03:26 PM

Definitely a good upgrade to have for an LML, we threw in some extra Dmax goodies with your order.
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BattleRedLML

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#4

06-17-2019, 02:41 PM

Just got my part in thanks for the extras will be putting yall logo on truck represent yall here in Texas!!

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