Cummins QSL Turbo Assembly OEM 4089918 | High-Performance Diesel Turbocharger


The Cummins QSL Turbo Assembly OEM 4089918 is a high-performance turbocharger designed for Cummins QSL diesel engines. It delivers improved horsepower, enhanced torque, better fuel efficiency, and long-lasting reliability for heavy-duty industrial, construction, and agricultural applications.

$2,317.25

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Cummins QSL Turbo Assembly OEM 4089918

The Cummins QSL Turbo Assembly OEM 4089918 is a premium diesel turbocharger engineered specifically for Cummins QSL engines. Built to meet strict OEM standards, this turbo assembly ensures precise airflow, consistent boost pressure, and optimized combustion performance, delivering maximum power and efficiency.

The Cummins QSL Turbo Assembly OEM 4089918 plays a crucial role in enhancing engine performance by forcing compressed air into the combustion chamber. This improves fuel combustion, resulting in increased horsepower, higher torque output, and better fuel economy. Whether used in construction equipment, industrial machinery, or agricultural applications, this turbocharger ensures reliable and efficient engine operation.

Performance & Efficiency

The Cummins QSL Turbo Assembly OEM 4089918 is designed to improve engine performance by optimizing the air-to-fuel ratio. This leads to faster throttle response, reduced turbo lag, and increased engine efficiency. Operators benefit from smoother engine operation, improved productivity, and lower fuel consumption.

This turbocharger is ideal for use in heavy-duty equipment such as excavators, wheel loaders, industrial generators, and agricultural machinery. It maintains stable boost pressure even under extreme workloads, ensuring consistent performance in demanding environments.

Durability & Heavy-Duty Construction

Constructed with high-quality materials, the Cummins QSL Turbo Assembly OEM 4089918 is built to withstand extreme temperatures, high-pressure conditions, and continuous heavy-duty operation. Its rugged design ensures long service life and minimal maintenance, making it a cost-effective replacement or upgrade solution.

OEM-grade engineering ensures resistance to heat stress, corrosion, and wear, allowing the turbocharger to perform reliably over extended periods in harsh working conditions.

Direct OEM Fit & Easy Installation

The Cummins QSL Turbo Assembly OEM 4089918 is a direct-fit replacement turbocharger. It installs easily without requiring modifications, reducing downtime and restoring engine performance quickly. This makes it an ideal choice for replacing worn or damaged turbochargers.


Key Features & Benefits

  • ✔️ Genuine Cummins QSL Turbo Assembly OEM 4089918
  • ✔️ Designed for Cummins QSL diesel engines
  • ✔️ Increases engine horsepower and torque output
  • ✔️ Enhances fuel efficiency and combustion performance
  • ✔️ Reduces turbo lag for smoother acceleration
  • ✔️ Heavy-duty construction for long-lasting durability
  • ✔️ Direct OEM replacement for easy installation
  • ✔️ Suitable for industrial, construction, and agricultural equipment

Engine Compatibility

  • Cummins QSL Diesel Engines

Vehicle Applications

  • Excavators
  • Wheel loaders
  • Heavy-duty trucks
  • Construction machinery
  • Industrial diesel engines
  • Agricultural equipment
  • Generator sets and off-road vehicles