PDI Big Boss DD15 Turbocharger – Replaces Detroit Diesel A4720901480

PDI Big Boss DD15 Turbocharger – Replaces Detroit Diesel A4720901480

The PDI Big Boss DD15 Turbocharger is a premium high-performance replacement turbo engineered specifically for Detroit Diesel DD15 Gen 2 engines. Designed to replace OEM turbocharger A4720901480, this upgraded turbocharger delivers improved airflow, enhanced throttle response, faster spool-up, and increased durability for owner-operators and fleets demanding maximum performance and reliability.

Key Features

• Direct replacement for Detroit Diesel A4720901480
• Designed for Detroit Diesel DD15 Gen 2 engines
• Billet compressor wheel for improved airflow and strength
• 360-degree thrust bearing for enhanced durability
• HSM exhaust housing for superior heat resistance
• Faster spool-up and improved throttle response
• Supports increased horsepower and torque
• Built for demanding heavy-duty commercial applications

Specifications

• Brand: PDI
• Series: Big Boss™
• Part Number: 141000714335
• OEM Cross Reference: A4720901480
• Product Type: Performance Turbocharger
• Application: Detroit Diesel DD15 Gen 2
• Category: Air & Exhaust / Turbochargers
• Warranty: 1 Year Unlimited Mileage Warranty
• Country of Manufacture: USA

Applications

Compatible with Freightliner Cascadia, Western Star, Coronado, 122SD, 114SD, and additional heavy-duty truck applications equipped with Detroit Diesel DD15 Gen 2 engines requiring turbocharger A4720901480.

Performance Benefits

• Improved airflow efficiency under load
• Enhanced towing and pulling power
• Reduced turbo lag and faster boost response
• Improved throttle response and drivability
• Designed for tuned and performance DD15 applications
• Built to withstand extreme heat cycle conditions

Cross Reference

This PDI Big Boss DD15 Turbocharger replaces multiple OEM and aftermarket part numbers:

• Detroit Diesel: A4720901480
• Detroit Diesel: RA4720901480
• Detroit Diesel: 4720901480
• PDI: 141000714335
• BorgWarner: OEM DD15 Turbo Applications
• Holset: Equivalent DD15 Turbo Applications

Why Upgrade Your DD15 Turbo?

Factory turbochargers can become restrictive under heavy loads and demanding operating conditions. Upgrading to a performance turbocharger helps improve airflow efficiency, engine response, and overall truck performance while maintaining reliability.

Unlock More DD15 Performance

The PDI Big Boss Turbo is engineered for serious owner-operators and fleets looking to maximize DD15 efficiency, pulling power, and durability without compromising drivability.

• Improved hill-climbing performance
• Better airflow under sustained heavy loads
• Enhanced reliability in high-heat applications
• Supports performance tuning upgrades
• Designed for long-haul commercial use

Why Choose PDI?

PDI is one of the most recognized names in heavy-duty diesel performance. Known throughout the trucking industry for innovative airflow and performance solutions, PDI products are engineered to help maximize horsepower, efficiency, and long-term reliability.

Fitment Notice

Verify OEM turbocharger numbers and engine compatibility before ordering. Contact us with your VIN or engine serial number for fitment confirmation.