Rotomaster H8300125R Turbocharger

Remanufactured Turbocharger for Ram 3500

Restore boost response and engine efficiency with this Rotomaster remanufactured turbocharger. Built as a direct replacement for select Ram 3500 diesel applications, it is designed and tested for O.E. fit and performance while supporting reliable airflow and fuel economy.

Rotomaster’s remanufactured turbocharger line focuses on OE-style replacement units for drivers who need a service-ready turbocharger with the correct fitment and operating characteristics. Part number H8300125R is built for the Ram 3500 platform and includes the components needed for a proper turbocharger service.

Key Features

• Remanufactured turbocharger with journal bearing design
• Meets or exceeds O.E. performance requirements
• Wastegate actuator included
• Coolant-cooled turbocharger design
• 100% of rotating, journal, and thrust bearings and seals are replaced as required
• All mating surfaces and passages are renewed as needed for longer service life
• Wheels, shafts, and bores are measured to controlled go/no-go tolerances
• Includes gaskets, syringe, instruction sheet, and studs

Detailed Description

Rotomaster H8300125R is a remanufactured turbocharger engineered for select 2013-2018 Ram 3500 trucks. It is built to match original equipment fit and performance, making it a direct-replacement solution for restoring lost boost, drivability, and engine output. This turbocharger uses a journal bearing setup and coolant cooling to support stable operation under diesel engine load.

For Ram 3500 owners searching for a remanufactured turbocharger, OE replacement turbo for Ram 3500, or Rotomaster H8300125R turbocharger, this unit is built around the original application requirements. It cross-references Ram Trucks 68321377AA for the same application.

What It Helps Address

• Reduced engine power or slow turbo spool
• Boost loss from worn bearings, seals, or shaft wear
• Oil leakage related to turbocharger seal wear
• Noise or imbalance caused by damaged rotating components
• Turbocharger replacement after foreign object damage or contamination

Installation Notes and Tips

• Fits 2013-2014 Ram 3500, N/A
• Fits 2015-2017 Ram 3500, N/A
• Fits 2018 Ram 3500, N/A
• Engine oil, oil filter, and intake air filter must be changed during installation on listed applications; follow the instruction guide in the box.
• Diagnose and correct the original cause of turbo failure before installing the replacement unit.
• Replace contaminated oil and inspect the air and exhaust system to protect the new turbocharger.
• Do not shut down a hot turbocharger immediately after hard operation; allow proper cool-down to reduce oil coking risk.

Quality Assurance

Each Rotomaster remanufactured turbocharger is designed and tested to deliver OE fit and performance. Critical wear components are renewed or replaced as required, and the unit is supplied with installation materials to support correct service procedures. For 2015-2017 Ram 3500 applications, the oil and filter change requirement must be followed to maintain warranty coverage; for 2013-2014 and 2018 Ram 3500 applications, the oil, oil filter, and intake air filter must be changed to ensure proper turbo function and avoid voiding warranty.