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3.0L LM2 Duramax Diesel Engine Coolant Flow Control Valve For GM 40009179

The LM2 Duramax diesel engines feature an advanced Active Thermal Management (ATM) cooling system designed to optimize fuel economy, performance, and emissions. This Engine Coolant Flow Control Valve plays a critical role by precisely controlling the coolant flow from the water pump, ensuring peak efficiency in all operating conditions. It combines a rotary control valve and a block control valve to independently manage coolant flow during warm-up (split cooling), eliminating the need for a traditional thermostat.

The valve directs coolant to critical components such as the turbocharger, EGR system, oil coolers, and heater core to efficiently regulate temperatures. The system also includes a de-gas circuit to remove trapped air, ensuring optimal operation.

Replaces For GM Part Numbers: 24001355, 55514504, 55511172, 55512723, 40009088

Fitment: 3.0L Duramax LM2 2020-2022 Silverado/Sierra & 2021-2024 SUV's

 

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Mounting StyleBolt-On
Items IncludedGM 24001355 Engine Coolant Flow Control Valve 3.0L Duramax Diesel
Manufacturer Part Number40009179
MaterialMetal, Plastic
Superseded Part Number24001355, 55514504, 55511172, 55512723, 40009088
Vintage PartNo
BrandCortile
TypeHeater Control Valve
Interchange Part Number24001355, 55514504, 55511172, 55512723, 40009088
Manufacturer Warranty3 Years
Features100% Leak tested, Durability Tested, No Drilling or Modifications Needed for Installation
OE/OEM Part Number40009179
PushAuction