Cummins QSB Turbo Assembly 6.7L 173 OEM 3793784RX – Heavy-Duty Diesel Turbo


Upgrade your Cummins diesel engine with the Cummins QSB 6.7L 173 Turbo Assembly OEM 3793784RX for 2007–2013 engines. Restore precise turbo boost, enhance throttle response, and maximize fuel efficiency. Designed as a direct-fit OEM replacement, this high-performance turbo assembly ensures long-lasting durability and reliable operation for construction, agricultural, and industrial heavy-duty diesel machinery.

$4,850.00

Vin / Engine Serial Number

Please provide VIN / ESN for identification of correct parts

The Cummins QSB 6.7L 173 Turbo Assembly OEM 3793784RX is a high-performance diesel turbocharger designed for Cummins QSB 6.7L 173 engines produced between 2007 and 2013. Engineered to provide precise airflow and optimal boost pressure, this turbo assembly ensures improved engine power, torque, fuel efficiency, and reduced turbo lag for all heavy-duty diesel applications.

Turbochargers play a critical role in diesel engines by forcing more air into the combustion chamber, which improves combustion efficiency and overall engine performance. A failing turbo can lead to reduced power, excessive exhaust smoke, poor fuel economy, and engine stress. Installing the OEM 3793784RX turbo assembly restores full turbo functionality, guaranteeing consistent performance and reliability.

OEM-Quality Construction – Manufactured to meet strict Cummins standards, this turbo assembly ensures durability, precision, and long-lasting operation. The Cummins QSB turbo assembly integrates with the engine control module (ECM) for real-time boost adjustments, optimizing throttle response, torque delivery, and fuel consumption.

Durability for Heavy-Duty Operations—Built to withstand harsh conditions, the Cummins QSB 6.7L 173 Turbo Assembly performs reliably in construction equipment, agricultural machinery, and industrial diesel engines. OEM-grade components prevent premature failure and maintain peak engine efficiency over prolonged operation.

Direct-Fit Replacement – The OEM 3793784RX turbo assembly is designed for direct replacement with no modifications required. This ensures minimal downtime, fast installation, and immediate restoration of turbo performance.

Fuel Efficiency and Emissions – Optimized turbo airflow and precision control improve combustion, reduce fuel consumption, and lower emissions. This makes it ideal for equipment operating under demanding workloads for long hours.

Whether used in excavators, loaders, tractors, or industrial diesel machinery, the Cummins QSB Turbo Assembly OEM 3793784RX ensures reliable, efficient, and long-lasting performance. Genuine OEM parts protect your engine from damage caused by inferior aftermarket replacements, reducing long-term maintenance costs.

Upgrade your diesel engine today with the Cummins QSB 6.7L 173 Turbo Assembly OEM 3793784RX—the trusted solution for heavy-duty turbo performance, fuel efficiency, and engine longevity.


Key Features & Benefits

  • OEM Cummins QSB Turbo Assembly 3793784RX for 6.7L 173-hp engines
  • Boosts engine power, torque, and fuel efficiency
  • Reduces turbo lag for smoother throttle response
  • OEM-grade construction ensures long-lasting durability
  • Direct-fit replacement for fast, hassle-free installation
  • Optimized for construction, agricultural, and industrial diesel machinery
  • Enhances combustion efficiency and lowers emissions
  • Reliable performance in heavy-duty diesel engines
  • Minimizes maintenance and replacement costs
  • Meets Cummins OEM specifications for quality and fit

Engine Compatibility

  • Cummins QSB 6.7L 173 Diesel Engine (2007–2013)
  • Compatible with ECM-controlled turbo systems

Vehicle & Machinery Applications

  • Construction machinery: excavators, loaders, skid steers
  • Agricultural machinery: tractors, harvesters, combines
  • Industrial diesel engines and equipment
  • Heavy-duty machinery powered by Cummins QSB 6.7L 173 engines