B2XG 12709880008 High Pressure Turbocharger for MaxxForce 13 I783
The B2XG (12709880008) is the BorgWarner high-pressure turbocharger in the twin-turbo system used on the International Navistar MaxxForce 13 (I783) 13.0L engine. MaxxForce 11, 13, and 15 engines use a compound twin-turbo setup with a high-pressure turbo (this B2XG) and a low-pressure turbo (B3RS 13879880004). The B2XG is the smaller turbo that receives exhaust first and provides quick low-RPM boost. BorgWarner part 12709880008, International OEM 3005699C92. Built new with actuator, dynamically balanced, ships with gaskets. We supply shops, fleets, and distributors.
Turbo Model
B2XG (BorgWarner, high-pressure side of twin-turbo system)
OEM / Interchange Numbers
12709880008
Application
2003-2012 International ProStar, MaxxForce 13 (I783) 13.0L, 450 HP
Service & Support
- 1-Year Unlimited-Mileage Warranty
- US Stock, Fast Dispatch
- Bulk Orders Welcome
- White-Label Support
- Fully Certified
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FAQ
The B2XG (12709880008) fits the International Navistar MaxxForce 13 (I783) 13.0L engine at 450 HP, used in 2003-2012 International ProStar trucks.
High pressure. The B2XG is the smaller turbo closest to the exhaust manifold. It spools first for low-RPM boost response.
The B3RS (13879880004) is the matching low-pressure turbo in the twin-turbo system.
Brand new with actuator, dynamically balanced. No core charge. One-year unlimited-mileage warranty.
Yes. US stock, volume pricing for shops, fleets, and distributors.
B2XG High-Pressure Turbo for MaxxForce 13: The Twin-Turbo System
The MaxxForce 13 and 15 use a compound twin-turbo system for performance and emissions compliance. The B2XG is the high-pressure (HP) turbo — it sits closest to the exhaust manifold and spools first for low-RPM response. The B3RS is the low-pressure (LP) turbo that provides additional airflow at higher RPM. When diagnosing a MaxxForce twin-turbo problem, determine which turbo has failed before ordering.
MaxxForce 13 twin-turbo system
| Position | Turbo | Part # |
|---|---|---|
| High Pressure (this page) | B2XG | 12709880008 |
| Low Pressure | B3RS | 13879880004 |
Installation
- Ships with actuator and gaskets.
- The HP turbo is the inner turbo closest to the exhaust manifold.
- Flush oil feed lines for both turbos. Prime before startup.
- Idle 3-5 minutes. Verify boost through ECM.
See our quality process for details.
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