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Detects how much oxygen is in the exhaust
Bolt holes become egg-shaped or threads strip — leading to improper fit or vibration
Sensor feedback
Combustion timing
3778620 | Genuine Cummins® Turbocharger Actuator Kit For 8.9L ISC/ISL Engine Camshaft Detects how much oxygen isDescription: A turbocharger actuator 3778620 is a component that controls how the turbocharger operates specifically, it regulates the position of the turbos vanes (in variable geometry turbos) or the wastegate valve (in traditional turbos). This directly affects boost pressure, which is the extra air the turbo forces into the engine. Part Number: 3778620 Condition: New Manufacture Brand: Cummins Fits 3778620 For Cummins engine systems EPA13 8. 9L ISC
