Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626
The Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626 is a high-performance diesel turbocharger engineered for Cummins QSF3.8L and QSF4.5L engines (2017–2022). Manufactured to meet strict OEM standards, this turbo assembly ensures precise boost control, optimized airflow, and efficient combustion for peak engine performance and reliability.
Designed to improve horsepower, torque, and fuel efficiency, the Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626 is perfect for light- to medium-duty construction machinery, industrial equipment, and agricultural applications. Its robust construction guarantees consistent performance under demanding operating conditions.
Performance & Efficiency
The Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626 delivers precise compressed air to the engine, enhancing combustion efficiency. This results in increased torque, horsepower, and fuel economy while minimizing turbo lag for faster throttle response and smoother engine operation.
It is ideal for skid-steer loaders, mini-excavators, small construction machinery, generators, and agricultural equipment. This turbo assembly ensures reliable performance, improved productivity, and reduced operating costs.
Durability & Reliability
Built with high-quality materials, the Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626 withstands high temperatures, heavy-duty cycles, and continuous operation. OEM-grade construction guarantees long-lasting reliability, minimal maintenance, and consistent performance across industrial, construction, and agricultural applications.
Easy Installation & OEM Fit
The Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626 is a direct-fit replacement turbocharger, fully compatible with original specifications. Quick installation restores OEM-level performance efficiently, making it perfect for replacing worn turbochargers or upgrading your engine system.
Key Features & Benefits
- ✔️ Genuine Cummins QSF3.8, QSF4.5 Turbo Assembly OEM 5321626
- ✔️ Compatible with Cummins QSF3.8L and QSF4.5L diesel engines (2017–2022)
- ✔️ Boosts engine horsepower and torque output
- ✔️ Improves fuel efficiency and combustion performance
- ✔️ Minimizes turbo lag for smoother throttle response
- ✔️ Heavy-duty construction ensures long-lasting durability
- ✔️ Direct-fit replacement for hassle-free installation
- ✔️ Ideal for industrial, construction, and agricultural machinery
Engine Compatibility
- Cummins QSF3.8L Diesel Engine (2017–2022)
- Cummins QSF4.5L Diesel Engine (2017–2022)
Vehicle Applications
- Skid-steer loaders
- Mini-excavators
- Light construction machinery
- Agricultural equipment
- Industrial diesel engines
- Generator sets and medium-duty equipment




