Holset Turbochargers

Holset turbochargers are built for the demands of heavy-duty diesel engines—delivering reliable boost, efficient performance, and long service life. At Advanced Truck Parts, we stock genuine Holset and quality replacement turbos for Cummins platforms like ISX, X15, ISB 6.7, ISC, ISL, and N14, with fitment verification before you buy.

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Holset Turbochargers by Engine Model

Selecting the correct turbocharger depends on your engine model, CPL, serial number, and emissions system configuration. Below are common Holset applications by engine family. If you’re unsure, use our Verify Fitment process before ordering.

Cummins ISX (CM870, CM871, CM2250, CM2350)

The Cummins ISX is one of the most common heavy-duty diesel engines in North America. Holset HE451VE and related VGT turbochargers are widely used across ISX generations and many X15 configurations.

Common ISX applications include:

Cummins ISX CM870
Cummins ISX CM871
Cummins ISX CM2250
Cummins ISX CM2350
Cummins X15 Performance & Efficiency Series

VGT systems integrate electronic actuators for precise boost control and emissions management. Common failure points include actuator faults, sticking vanes, overspeed conditions, and excessive shaft play.

We commonly supply:

Holset HE451VE turbochargers
ISX VGT turbo actuators
Complete turbo assemblies (new/reman options)

For ISX and X15 replacements, always verify the engine serial number and CPL to ensure the correct configuration and calibration.

Cummins ISB 6.7L

The Cummins ISB 6.7L is widely used in medium-duty commercial trucks and related platforms. Holset HE351VE turbochargers and VGT actuator systems are common on multiple calibrations and emissions setups.

Common ISB 6.7 applications include:

Cummins ISB 6.7L CM2150
Cummins ISB 6.7L CM2350
Dodge Ram 6.7 Cummins applications (verify by part number)

These electronically controlled VGT turbos improve low-end torque and support emissions strategies. Part number matching and actuator calibration are critical—confirm fitment before installing.

Cummins ISC & ISL

Holset turbos on ISC and ISL engines are common in Freightliner, International, Kenworth, Peterbilt, and many motorcoach/RV platforms. Depending on year and emissions configuration, these engines may use fixed geometry or early VGT designs.

Common Holset models seen on ISC/ISL platforms include:

Holset HX35
Holset HX40
HE341 series

If you’re seeing low boost, black smoke, or oil leakage at the compressor/turbine side, turbo wear or failure may be a contributing factor.

Cummins N14

The Cummins N14 remains popular in many pre-emissions fleets. Holset HX55 turbochargers are common on N14 Celect and Celect Plus configurations and are known for durability and rebuildability.

Cummins X15

The Cummins X15 (Efficiency and Performance Series) uses advanced Holset VGT systems designed for strong drivability and emissions compliance. These systems depend on correct actuator function, clean exhaust flow, and proper calibration.

Turbo replacement on X15 requires precise part-number matching to prevent derate conditions or fault codes.

Holset Turbocharger Models We Commonly Stock

Depending on availability, we supply models including:

Holset HE451VE
Holset HE351VE
Holset HX35
Holset HX40
Holset HX55
Holset HE400VG
Holset HE431VE

If you don’t see your specific Holset turbo listed, contact us with your current turbo part number or engine serial number for confirmation.

Signs You May Need a Holset Turbo Replacement

Common turbocharger failure symptoms include:

Loss of boost pressure
Excessive black smoke
Oil leakage at the compressor or turbine housing
Turbo overspeed codes
VGT actuator fault codes
Engine derate conditions

Continuing to drive with a failing turbo can lead to additional engine or aftertreatment issues. Early diagnosis and replacement can help prevent larger repairs.

Genuine Holset vs Replacement Options

We offer both genuine Holset turbochargers and high-quality replacement options depending on your needs and budget:

Genuine Holset: OEM quality, direct fit, built to manufacturer specs
Replacement options: cost-effective alternatives, tested for reliability, available for many applications

If your application requires an OEM-only replacement, we can help verify before you place the order.

Verify Fitment Before You Buy

Turbochargers are engine- and configuration-specific (often CPL-specific). To confirm compatibility quickly, send:

Engine Serial Number (preferred)
CPL number
Year / Make / Model
Current turbo part number
Photos of tags/connectors (when applicable)

Our team can verify fitment before purchase so you get the correct Holset turbo the first time.

Fast Shipping & Professional Support

We support fleets, repair shops, and owner-operators across the U.S. with responsive service and shipping options to help minimize downtime. If you’re unsure which Holset turbo fits your Cummins engine, contact us and we’ll help route you to the right solution.