Holset HE351 Turbo

Holset HE351 Turbocharger

The Holset HE351 is a high-performance diesel turbo designed for applications requiring excellent top-end flow and reliable boost response. Available in 12 cm² and 8 cm² turbine housings, this turbo suits a wide range of OM6x6 and OM6x5 engines.

Specifications

12 cm² Housing

• Part Numbers: 4047757, 4047758

• Exhaust Housing Area: 12 cm²

• Ideal for high-horsepower builds needing maximum airflow

8 cm² Housing

• Part Number: 2842245

• Exhaust Housing Area: 8 cm²

• Faster spool than the 12 cm², better suited for street or responsive setups

Common Features

• Manufacturer: Holset

• Application Type: Diesel engines (OM606, OM605, OM617, and similar)

• Usage: Compatible with stock or upgraded injection systems depending on tuning

Performance Notes

✔ 12 cm² housing – best for high-output engines and maximum power builds
✔ 8 cm² housing – faster spool for street-driven performance engines
✔ Twin-scroll design enhances spool and efficiency
✔ Compatible with various turbo setups including custom manifolds, hybrid builds, and performance ECU tuning

Best Use Cases

• Stage 2 / Stage 3 OM606 builds

• OM605 / OM617 diesel upgrades

• Street or track applications requiring higher boost and airflow

Included / Not Included

• Includes: Genuine Holset HE351 turbocharger

• Does Not Include: Downpipe, intercooler piping, oil/coolant lines, or installation hardware