Dorman 667-003 Turbocharger Cartridge

Overview of Dorman Turbocharger Cartridge 667-003

The Dorman 667-003 turbocharger cartridge is designed as a standard replacement part for select Chevrolet and GMC heavy-duty trucks. Engineered with a journal bearing system and precise impeller dimensions, this cartridge supports reliable turbocharger performance in demanding applications.

• Journal bearing type for consistent durability
• Compressor impeller inducer diameter: 3.2 inches
• Turbine impeller exducer diameter: 2.6 inches
• Includes cartridge installation gaskets for proper sealing
• Standard replacement grade for reliable restoration

Technical Details and Specifications

This turbocharger cartridge features a journal bearing design, which provides stable rotation and reduces wear under high-speed conditions. The compressor impeller inducer diameter measures 3.2 inches, optimizing airflow into the engine, while the turbine impeller exducer diameter of 2.6 inches ensures efficient exhaust gas energy conversion. The package includes installation gaskets to facilitate a secure and leak-free fit during replacement. This part is classified as a standard replacement, meeting OEM specifications for performance and durability.

Compatible Vehicles and Applications

The Dorman 667-003 turbocharger cartridge is compatible with the following heavy-duty trucks:

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500
• GMC Sierra 2500 HD
• GMC Sierra 3500
• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500

This cartridge is intended for use in turbocharger assemblies on these models, helping to restore turbocharger function and maintain engine efficiency.

Common Issues Addressed by This Turbocharger Cartridge

• Reduced turbocharger performance due to worn or damaged cartridge components
• Excessive turbocharger shaft play causing noise or vibration
• Oil leakage or contamination within the turbocharger assembly
• Loss of boost pressure affecting engine power output
• Turbocharger failure symptoms such as smoke or poor acceleration

Installation Notes and Tips

• Ensure all old gaskets and seals are removed before installation
• Use the included cartridge installation gaskets to prevent leaks
• Inspect the turbocharger housing for damage or wear prior to assembly
• Follow manufacturer torque specifications for all fasteners
• Prime the turbocharger with oil before initial startup to avoid dry running

Quality Assurance and Warranty Information

Dorman manufactures the 667-003 turbocharger cartridge to meet standard replacement quality levels, ensuring compatibility and performance consistent with original equipment. The part undergoes quality control inspections to verify dimensional accuracy and material integrity. Warranty coverage details should be confirmed with the point of purchase or Dorman directly.