International Navistar Turbo Assembly OEM 4307258R91 Diesel Turbocharger Replacement Heavy Duty
The OEM International Navistar Turbo Assembly 4307258R91 is designed for heavy-duty diesel engines, delivering improved airflow, fuel efficiency, and reliable performance.
$1,317.50
International Navistar Turbo Assembly OEM 4307258R91 Overview
The International Navistar Turbo Assembly OEM 4307258R91 is a high-performance diesel turbocharger engineered to deliver maximum airflow, improved combustion efficiency, and enhanced engine power. Designed specifically for International/Navistar engines, this turbo ensures reliable operation in heavy-duty trucking applications.
Manufactured to OEM specifications, this turbo assembly provides a direct-fit replacement, making installation straightforward while restoring engine performance and fuel efficiency. It is ideal for fleet maintenance, repairs, and performance restoration.
Key Features of Turbo Assembly 4307258R91
- OEM Part Number: 4307258R91
- Direct-fit replacement for International Navistar engines
- Improves horsepower and torque output
- Enhances fuel efficiency and combustion performance
- Built for high-temperature and high-pressure durability
- Suitable for heavy-duty truck applications
Benefits of International Navistar Turbocharger
- Restores lost engine power and acceleration
- Reduces exhaust smoke and emissions
- Ensures optimal air-to-fuel ratio
- Improves overall engine lifespan
- Reliable performance under demanding conditions
A properly functioning turbocharger significantly boosts engine efficiency by compressing incoming air, allowing better fuel combustion and improved performance.
Vehicle Compatibility
- International/Navistar Diesel Engines
- Compatible with multiple heavy-duty truck platforms
- Commonly used in DT466 and similar engine configurations (verify fitment before purchase)
OEM & Cross-Reference Numbers
- OEM: 4307258R91
- Interchangeable with multiple Navistar turbo variants
Symptoms of a Failing Turbo Assembly
- Loss of engine power
- Excessive exhaust smoke
- Whining or whistling noise
- Poor fuel efficiency
- Oil leakage near turbo housing
Ignoring these issues can lead to severe engine damage and costly repairs.
Why Choose OEM 4307258R91 Turbo Assembly?
- Precision-engineered to OEM standards
- Ensures perfect fit and performance
- Long service life with durable materials
- Ideal for professional and commercial use
