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Coolant Temperature Monitoring – The Derringer senses coolant temp to control added power
Hassle Free Installation
6L Duramax with the Merchant Automotive 10543 Water Pump Kit With Cover
This design consistently produces just the right amount of preload
AIRDOG II-5G 220 GPH AIR FUEL SEPARATION LIFT PUMP SYSTEM 11-14 6.6L GM DURAMAX LML FUEL SYSTEM Coolant Temperature Monitoring – TheWhy GM opted to not include a factory fuel lift pump on all of the early model Duramax's is still a mystery. This lack of consistent fuel pressure coupled with the switch from the proven CP3 to a CP4 injection pump beginning in model year 2011 has spelled disaster on these trucks, especially for those trying to increase the horsepower through performance programmers and or larger displacement injectors. Even at stock power levels, this insufficient
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