Cummins QSB Turbo Assembly 6.7L OEM 5553548 – Diesel Turbocharger 2019–2023


The Cummins QSB Turbo Assembly OEM 5553548 is engineered 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 designed 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 5553548 is a premium OEM turbocharger designed specifically for Cummins QSB 6.7L diesel engines from 2019 to 2023. This Cummins QSB turbo assembly is engineered to deliver optimal boost pressure, improved airflow, and enhanced combustion efficiency, ensuring maximum engine performance in demanding heavy-duty environments.

The Cummins QSB turbo assembly plays a crucial role in diesel engine operation by compressing intake air and forcing it into the combustion chamber. This allows more oxygen to mix with fuel, resulting in more efficient combustion. The outcome is increased horsepower, improved torque, and better fuel economy. When a turbocharger starts to fail, it can lead to reduced engine performance, excessive exhaust smoke, unusual noises, poor acceleration, and higher fuel consumption. Replacing a worn unit with the OEM 5553548 Cummins QSB turbo assembly restores optimal performance and helps prevent further engine damage.

Manufactured to strict OEM standards, the Cummins QSB Turbo Assembly OEM 5553548 ensures precise fitment and seamless integration with ECM-controlled turbo systems. This enables accurate boost pressure regulation, reduced turbo lag, and improved throttle response, allowing the engine to perform efficiently under heavy loads and continuous operation.

Durability is a key benefit of the Cummins QSB Turbo Assembly. Built with high-quality materials and advanced engineering, this turbocharger is designed to withstand extreme temperatures, high pressure, and harsh working environments. It is ideal for use in construction equipment, agricultural machinery, and industrial diesel engines where reliability is critical.

The Cummins QSB Turbo Assembly OEM 5553548 is designed as a direct-fit replacement, making installation quick and straightforward without the need for modifications. This reduces equipment downtime and ensures a fast return to operation. OEM components also provide superior longevity and consistent performance compared to aftermarket alternatives, making this turbocharger a cost-effective long-term solution.

Another important advantage of the Cummins QSB Turbo Assembly is improved fuel efficiency and reduced emissions. By optimizing the air-to-fuel ratio and ensuring complete combustion, this turbocharger helps lower fuel consumption while minimizing environmental impact. This makes it an ideal solution for businesses operating heavy-duty diesel equipment.

The Cummins QSB Turbo Assembly OEM 5553548 is widely used across multiple industries due to its dependable performance. It is commonly installed in construction equipment such as excavators, loaders, and skid steers; agricultural machinery, including tractors and harvesters; and industrial diesel engines used in generators and heavy-duty operations.

Choosing the OEM 5553548 Cummins QSB Turbo Assembly ensures long-term reliability, improved engine efficiency, and reduced maintenance costs. Whether replacing a failing turbocharger or upgrading engine performance, this Cummins QSB Turbo Assembly delivers the durability and power required for demanding diesel applications.


Key Features & Benefits

  • OEM Cummins QSB Turbo Assembly 5553548
  • 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 conditions
  • 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