This turbocharger control unit module is an OEM replacementvpart for ISUZU NRR, NQR, NPR, and NPR-HD trucks equipped with the 4HK1 5.2L diesel engine from 2008 to 2021. It regulates turbocharger operation by controlling boost pressure, helping maintain proper engine performance, fuel efficiency, and emissions system function. Manufactured to OEM dimensional and electrical specifications, this control module ensures accurate signal processing, reliable response, and stable turbo operation under varying load conditions. Ideal for replacing faulty or failing turbo control units that may cause loss of power, boost-related fault codes, or drivability issues.
OEM Turbo Control Module — Designed to match factory specifications for proper fitment and reliable turbocharger control
Vehicle Compatibility — Fits ISUZU NRR, NQR, NPR, and NPR-HD trucks (2008–2021) with the 4HK1 5.2L diesel engine
Restores Turbocharger Performance — Helps maintain correct boost pressure for consistent power delivery and engine efficiency
Supports Engine & Emissions Operation — Contributes to proper combustion and emissions system performance by regulating turbo output
Durable Electronic Construction — Built to withstand heat, vibration, and continuous commercial-duty operation
Direct Replacement Installation — Installs using factory connectors and mounting points with no modifications required
OEM
8981628070 / 8980771182 / 8980771181
8980771180 / 8973877850