PDI Big Boss DD15 Turbocharger – Replaces Detroit Diesel A4720902880

PDI Big Boss DD15 Turbocharger – Replaces Detroit Diesel A4720902880

The PDI Big Boss DD15 Turbocharger is a premium high-performance upgrade engineered for Detroit Diesel DD15 engines. Designed to replace OEM turbocharger A4720902880, this upgraded turbo delivers improved airflow, increased horsepower, faster spool-up, and enhanced fuel efficiency for owner-operators and fleets demanding maximum performance and reliability.

Key Features

• Direct replacement for Detroit Diesel A4720902880
• Designed specifically for Detroit Diesel DD15 engines
• Improved airflow and turbo efficiency
• Enhanced throttle response and spool-up performance
• Supports increased horsepower and torque
• Helps improve fuel economy under load
• Heavy-duty upgraded internal components
• Engineered for commercial truck durability and long-haul performance

Specifications

• Brand: PDI
• Series: Big Boss™
• Part Number: A4720902880
• Product Type: Performance Turbocharger
• Application: Detroit Diesel DD15
• Turbo Style: Heavy-Duty VGT Turbocharger
• Category: Air & Exhaust / Turbochargers
• Condition: New Performance Upgrade

Applications

Compatible with Freightliner Cascadia, Western Star, Coronado, 122SD, 114SD, and additional heavy-duty truck applications equipped with Detroit Diesel DD15 engines requiring turbocharger A4720902880.

Performance Benefits

• Improved airflow efficiency
• Better pulling power under heavy loads
• Enhanced throttle response
• Reduced turbo lag
• Improved overall drivability
• Designed for performance-minded owner-operators and fleets

Cross Reference

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

• Detroit Diesel: A4720902880
• Detroit Diesel: DDE A4720902880
• PDI: Big Boss DD15 Turbo
• BorgWarner: OEM DD15 Turbo Applications
• Holset: Equivalent DD15 Turbo Applications

Why Upgrade Your DD15 Turbo?

Factory turbochargers can become restrictive under heavy loads, performance tuning, or demanding long-haul applications. Upgrading to a high-performance turbocharger helps improve airflow, engine efficiency, and overall truck performance.

Unlock More DD15 Performance

The PDI Big Boss Turbo is designed for serious owner-operators and fleets looking to improve pulling power, throttle response, and overall DD15 performance without sacrificing reliability.

• Improved towing and hill-climbing performance
• Better airflow under heavy load conditions
• Enhanced engine efficiency
• Supports tuned and performance DD15 applications
• Built for heavy-duty 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 efficiency, horsepower, and reliability.

Fitment Notice

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