Turbo Actuator Repair – NH950107 / K6T51271 Model: RHF55V | Compatible with Isuzu NQR 75L (4HK1-E2N Engine)

Turbo Actuator Repair – NH950107 / K6T51271
Model: RHF55V | Compatible with Isuzu NQR 75L (4HK1-E2N Engine)

This is a repair service for electronic turbo actuators with part numbers NH950107 and K6T51271, commonly found on the RHF55V turbocharger used in Isuzu NQR 75L trucks.

Compatible Actuator Variants:

• VKA40016

• VDA40016

• VCA40016

• VBA40016

• VAA40016

Engine Compatibility:

• Isuzu 4HK1-E2N

• 5193ccm / 110kW / 150HP

• Model Years: 2006 onward

Common Faults:

• No movement or unresponsive actuator

• Turbo boost control errors

• DTCs related to turbo position sensor or actuator motor

• Vehicle in limp mode due to boost control failure

We offer full bench testing and component-level repair of the actuator, restoring proper turbo control and helping avoid unnecessary turbocharger replacement.