Product Description
Cummins 4031484 OEM Holset HE341/HE351CW Turbo Rebuild Kit – Ram 5.9L (2003–2007)
The Cummins 4031484 OEM Holset HE341/HE351CW Turbo Rebuild Kit is the genuine service kit designed to restore factory performance, reliability, and durability to Holset HE341 and HE351CW turbochargers found on 2003–2007 Dodge Ram 2500 and 3500 trucks equipped with the legendary 5.9L Cummins diesel engine. Engineered to Cummins and Holset specifications, this rebuild kit contains the critical bearings, seals, thrust components, and service hardware necessary to properly rebuild worn turbochargers while maintaining OEM performance standards.
Unlike generic aftermarket rebuild kits, the Cummins 4031484 kit utilizes genuine OEM components manufactured to precise tolerances for proper oil control, shaft stability, boost response, and long-term reliability. Whether restoring a high-mileage factory turbocharger or performing preventative maintenance, this OEM rebuild kit helps extend turbocharger life while maintaining the performance expected from your 5.9L Cummins engine.
Features
- Genuine Cummins and Holset OEM rebuild kit
- Designed specifically for Holset HE341 and HE351CW turbochargers
- Restores factory turbocharger performance and reliability
- Includes OEM-quality bearings, seals, and thrust components
- Engineered to exact Cummins and Holset specifications
- Helps restore boost response and oil control
- Maintains proper shaft stability and bearing performance
- Ideal for preventative maintenance or turbocharger repair
- OEM-quality materials and manufacturing tolerances
- Designed for long service life in demanding diesel applications
Fitment
- 2003 Dodge Ram 2500 5.9L Cummins equipped with Holset HE341 turbocharger
- 2004 Dodge Ram 2500/3500 5.9L Cummins equipped with Holset HE341 turbocharger
- 2004.5–2007 Dodge Ram 2500/3500 5.9L Cummins equipped with Holset HE351CW turbocharger
- Factory Holset HE341 turbocharger applications
- Factory Holset HE351CW turbocharger applications
- Direct replacement rebuild kit for OEM turbocharger service
Note: This rebuild kit is designed specifically for Holset HE341 and HE351CW turbochargers. Verify turbocharger model number before ordering. Professional balancing and assembly procedures are recommended during turbocharger rebuilding.
What's Included
- OEM Bearings
- OEM Seals
- OEM Thrust Components
- Internal Service Hardware
- Factory Rebuild Components Required for HE341 and HE351CW Turbochargers
Specifications
- Manufacturer: Cummins / Holset
- Part Number: 4031484
- Holset Part Number: 4031484H
- Component Type: Turbocharger Rebuild Kit
- Turbocharger Compatibility: Holset HE341
- Turbocharger Compatibility: Holset HE351CW
- Application: Dodge Ram 2500 and 3500
- Engine: 5.9L 24-Valve ISB Cummins
- Model Years: 2003–2007
- OEM Replacement: Yes
- Bearing Type: Journal Bearing Turbocharger Service Kit
- Primary Purpose: Turbocharger Rebuild and Restoration
- Cooling System Compatibility: Oil-Cooled Turbochargers
Cross Reference Numbers
4031484, 4031484H, 403148400, HE341, HE351CW, HY35W
FAQ
Does the Cummins 4031484 rebuild kit fit both HE341 and HE351CW turbochargers?
Yes. The Cummins 4031484 OEM rebuild kit is designed for both Holset HE341 and HE351CW turbochargers used on 2003–2007 Dodge Ram 5.9L Cummins applications.
Does this kit include a new compressor wheel or turbine wheel?
No. This rebuild kit contains the internal bearings, seals, thrust components, and related service parts required to rebuild the turbocharger center section. Compressor wheels, turbine wheels, housings, and actuators are not included.
Can I rebuild my turbocharger at home?
While experienced technicians can perform turbocharger rebuilds, proper balancing equipment and assembly procedures are required to ensure reliability and performance. Professional balancing is strongly recommended.
Why choose an OEM Holset rebuild kit instead of an aftermarket kit?
OEM Holset and Cummins rebuild kits utilize factory-engineered materials, tolerances, and specifications to ensure proper oil control, bearing life, shaft stability, and turbocharger reliability.
Should the turbo oil feed line be replaced during a rebuild?
Yes. Any contamination or restriction in the oil supply system can damage a freshly rebuilt turbocharger. Replacing or thoroughly cleaning the oil feed line is highly recommended during service.
Will this kit fit a Holset HE351VE variable geometry turbo?
No. The 4031484 rebuild kit is intended for HE341 and HE351CW turbochargers and is not designed for HE351VE VGT applications.
