Cummins QSB Turbo Assembly 6.7L OEM 5354557 – Diesel Turbocharger 2019–2023


The Cummins QSB Turbo Assembly OEM 5354557 is built for 6.7L diesel engines (2019–2023) to restore turbo boost, engine power, and fuel efficiency. This Cummins QSB Turbo Assembly is a direct OEM replacement engineered for durability and reliable performance in construction, agricultural, and industrial heavy-duty diesel applications.

$8,517.25

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The Cummins QSB Turbo Assembly OEM 5354557 is a high-performance OEM turbocharger specifically engineered for Cummins QSB 6.7L diesel engines from 2019 to 2023. This Cummins QSB turbo assembly is designed to deliver optimal airflow, stable boost pressure, and improved combustion efficiency, ensuring maximum engine performance in demanding heavy-duty applications.

The Cummins QSB Turbo Assembly plays a crucial role in enhancing diesel engine efficiency by compressing intake air and delivering it into the combustion chamber. This process allows more oxygen to mix with fuel, leading to more complete combustion. The result is increased horsepower, improved torque output, and better fuel economy. When a turbocharger begins to fail, common symptoms include reduced engine power, excessive exhaust smoke, slow acceleration, and increased fuel consumption. Replacing a worn unit with the OEM 5354557 Cummins QSB turbo assembly restores performance and prevents further engine damage.

Manufactured to strict OEM standards, the Cummins QSB Turbo Assembly OEM 5354557 ensures precise fitment and seamless integration with ECM-controlled systems. This enables accurate turbo boost control, reduced turbo lag, and improved throttle response, allowing the engine to perform efficiently under heavy load conditions.

Durability is one of the key advantages of the Cummins QSB Turbo Assembly. Constructed from high-quality materials and engineered for extreme conditions, this turbocharger is capable of withstanding high temperatures, pressure, and continuous heavy-duty operation. It is ideal for use in construction equipment, agricultural machinery, and industrial diesel engines where reliability is essential.

The Cummins QSB Turbo Assembly OEM 5354557 is designed as a direct-fit replacement, ensuring a straightforward installation process without the need for modifications. This reduces downtime and helps equipment return to operation quickly. Using an OEM turbo assembly also ensures long-lasting performance and better compatibility compared to aftermarket options.

Another significant benefit of the Cummins QSB Turbo Assembly is improved fuel efficiency and emissions reduction. By optimizing airflow and combustion, this turbocharger helps reduce fuel consumption while lowering emissions output. This makes it a cost-effective and environmentally friendly solution for heavy-duty diesel applications.

The Cummins QSB Turbo Assembly OEM 5354557 is widely used across multiple industries due to its reliability and consistent performance. It is commonly installed in construction equipment such as excavators and loaders, agricultural machinery including tractors and harvesters, and industrial diesel engines used in generators and heavy-duty operations.

Choosing the OEM 5354557 Cummins QSB Turbo Assembly ensures long-term reliability, improved engine efficiency, and reduced maintenance costs. Whether replacing a failing turbocharger or upgrading performance, this Cummins QSB Turbo Assembly delivers the power and durability required for demanding diesel environments.


Key Features & Benefits

  • OEM Cummins QSB Turbo Assembly 5354557
  • Designed for 6.7L diesel engines (2019–2023)
  • Restores turbo boost, horsepower, and torque
  • Improves fuel efficiency and combustion performance
  • Reduces turbo lag and enhances throttle response
  • Heavy-duty construction for extreme environments
  • Direct-fit replacement for easy installation
  • Compatible with ECM-controlled turbo systems
  • Helps reduce emissions and operating costs
  • Long-lasting OEM durability and reliability

Engine Compatibility

  • Cummins QSB 6.7L Diesel Engine (2019–2023)
  • ECM-controlled turbocharged diesel systems

Vehicle & Machinery Applications

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