Cummins QSB 4.5L Turbo Assembly 2018–2021 OEM 4955281 | Genuine Diesel Turbocharger Replacement

The Cummins QSB 4.5L Turbo Assembly OEM 4955281 is a high-performance turbocharger designed to optimize the efficiency and power of Cummins QSB 4.5L diesel engines (2018–2021). Engineered to meet OEM standards, this turbo assembly ensures reliable boost pressure, improved combustion, and enhanced engine output across demanding applications.

The Cummins QSB 4.5L turbocharger 4955281 delivers superior airflow and consistent performance, helping reduce turbo lag while improving throttle response and fuel efficiency. This makes it an ideal solution for maintaining peak engine performance in construction, agricultural, and industrial machinery.

Designed for durability and precision, the OEM 4955281 turbo assembly for Cummins QSB 4.5L offers a direct-fit replacement, ensuring easy installation and seamless compatibility. Whether replacing a worn turbo or upgrading performance, this turbocharger provides dependable, long-term operation.

Key Features & Benefits

• Genuine Cummins QSB 4.5L Turbo Assembly OEM 4955281
• Improves engine power, torque, and efficiency
• Enhances fuel economy and combustion performance
• Reduces turbo lag for quicker throttle response
• OEM-grade construction for durability and reliability
• Direct-fit replacement for easy installation
• Ideal for heavy-duty diesel applications

Engine Compatibility

• Cummins QSB 4.5L Diesel Engine
• Model years 2018–2021

Vehicle Applications

• Construction equipment (excavators, loaders, skid steers)
• Agricultural machinery (tractors, harvesters)
• Industrial diesel equipment
• Heavy-duty machinery powered by Cummins QSB 4.5L engines