Cummins ISM QSM11 Turbocharger | 3768266HX | Holset HE531V | Remanufactured

Remanufactured Holset HE531V variable-geometry turbocharger (part number 3768266HX) for Cummins ISM, ISME, QSM11, and M11 11.0L diesel engines. This is a complete assembly that includes the pneumatic VGT actuator, supplied as a core-charge exchange unit. It is a direct bolt-on OEM replacement that restores factory boost and airflow.

Key Features:

• Holset remanufactured HE531V variable-geometry turbocharger, part number 3768266HX
• Fits Cummins ISM, ISME, QSM11, and M11 11.0L engines
• Complete assembly — includes the pneumatic VGT actuator
• Rebuilt to Holset specification
• Direct bolt-on OEM replacement

Specifications:

• Base part number: 3768266HX (Holset)
• Turbocharger model: Holset HE531V (variable geometry)
• Component type: Turbocharger assembly with pneumatic VGT actuator
• Condition: Remanufactured (core charge applies)
• Engine make: Cummins
• Engine models: ISM, ISME, QSM11, M11 (11.0L)
• Rating: approximately 400 HP
• Cummins/Holset references: 2881992, 2843881, 2843890, 3768262, 3768266, 3768266H, 3781166

Compatibility / Fitment:

• Fits Cummins ISM, ISME, QSM11, and M11 11.0L diesel engines
• Complete unit with the pneumatic VGT actuator included
• Remanufactured exchange unit — a core charge applies and the old turbo must be returned per core policy
• This is the reman version (3768266HX); the new version is 3768266H
• Verify by engine model, year/emissions, and your existing turbo part number before ordering

Conclusion:

The Holset 3768266HX is a remanufactured HE531V variable-geometry turbocharger for Cummins ISM/ISME/QSM11/M11 11.0L engines, supplied complete with the pneumatic VGT actuator as a core-charge exchange unit. It's a direct bolt-on replacement that restores factory boost. Verify by engine model and your existing turbo number before ordering, and note the core return requirement.