Cummins QSB 4.5L Turbo Assembly 173HP 2015–2022 OEM 5321671RX | Genuine Diesel Turbocharger Replacement

The Cummins QSB 4.5L Turbo Assembly OEM 5321671RX is a high-performance turbocharger engineered for 173 HP Cummins QSB 4.5L diesel engines (2015–2022). This premium turbo assembly is designed to deliver superior airflow, enhanced horsepower, and improved fuel economy for heavy-duty applications.

Built to meet strict OEM standards, the Cummins QSB 4.5L turbocharger 5321671RX ensures optimal boost pressure and consistent performance even under extreme operating conditions. Whether used in construction equipment, agricultural machinery, or industrial diesel systems, this turbo provides reliability and long-lasting durability.

This OEM 5321671RX turbo assembly for Cummins QSB 4.5L 173HP offers precision engineering, direct-fit installation, and dependable performance, making it the ideal replacement for worn or failing turbochargers. Restore your engine’s power and efficiency with this genuine-quality Cummins turbocharger.

Key Features & Benefits

• Genuine Cummins QSB 4.5L Turbo Assembly OEM 5321671RX
• Designed for 173HP diesel engine performance
• Improves engine power and torque output
• Enhances fuel efficiency and reduces emissions
• Heavy-duty construction for long service life
• Direct-fit OEM replacement for easy installation
• Provides consistent boost and reduced turbo lag

Engine Compatibility

• Cummins QSB 4.5L Diesel Engine
• 173 HP engine variants
• Model years 2015–2022

Vehicle Applications

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