Upgrade the response and efficiency of your 2003–2004.5 Cummins 5.9L with the Bully Dog Quick Spool Turbo. Designed as a direct OEM replacement, this light-duty turbo delivers improved spool characteristics, enhanced airflow, and dependable OEM-level reliability for daily driving, towing, and performance applications. A 58mm billet compressor wheel improves airflow efficiency and boost response over the stock turbo, while the black powder-coated compressor housing adds a durable, corrosion-resistant, performance-driven finish. Direct OEM fitment means a straightforward installation with no extensive modification required.
- 58mm billet wheel construction
- Black powder-coated compressor housing
- OEM quality components
- Direct OEM fitment – straightforward, bolt-in installation
- Reduced turbo lag for quicker throttle response
- Improved airflow for better overall engine efficiency and drivability
- Includes actuator for boost control
- 2 year warranty
