2500245C91
SYNCHRONIZER 4TH AND 5TH
Navistar International®

The synchronizer for 4th and 5th gears is designed to enhance the performance of a vehicle's transmission system, ensuring smooth and efficient gear shifts. This component plays a critical role in synchronizing the speeds of the gears, preventing grinding and ensuring a seamless transition between gears. Its precision engineering and high-quality materials contribute to its durability and reliability, making it an indispensable part of the transmission assembly. The synchronizer is optimized for performance, providing drivers with a responsive and enjoyable driving experience.

This product is manufactured by a leading automotive parts company that prioritizes quality and reliability. With years of experience in the industry, the manufacturer is known for its advanced engineering practices and commitment to customer satisfaction. Their focus on innovation and quality control ensures that each synchronizer meets the highest standards, providing drivers with confidence in their vehicle's performance and durability.

This part fits the following models:

• - 4400: 4400 medium trucks
• - 4400: 4400 medium trucks
• - 3800: 3800 school bus chassis (built on 5/23/97 & later)
• - 3800: 3800 school bus chassis (built on or after 5/23/97)
• - 4900: 4900 medium trucks (built on 5/23/97 & later)
• - 4900: 4900 medium trucks after 5/23/97
• - 4000: 1652-UPS stripped chassis (built before 5/23/97)
• - 4000: 4500 medium trucks (built before 5/23/97)
• - 4000: 7100 medium trucks (built before 5/23/1997)
• - 4000: 4700 medium trucks (built before 5/23/97)
• - 4000: 4800 medium trucks (built before 5/23/97)
• - 4000: 1400 stripped chassis (built 1/1/89 thru 5/23/97)
• - 4000: 4900 medium trucks (built before 5/23/97)
• - 4000: 4600 medium trucks (built before 5/23/97)
• - 4000: 1600 stripped chassis (built 1/1/89 thru 5/23/97)
• - SFCB: SFC commercial bus chassis
• - SFCB: SFC commercial bus chassis
• - 513: MT-513 transmission
• - 513: MT-513 transmissions
• - 3000: 3800 bus flat back cowls (built before 5/23/1997)
• - 3000: 3000 bus chassis (built on 5/23/97 & later)
• - 3000: 3700 bus flat back cowls (built before 5/23/1997)
• - 3000: 3400 bus flat back cowls (built before 5/23/1997)
• - 3000: 3600 bus flat back cowls (built before 5/23/1997)
• - 3000: 3900 bus FC chassis (built before 5/23/1997)
• - 8000: 8200 heavy tractors (built from 1/1/1989 to 1/16/1998)
• - 8000: 2600 medium trucks (built from 1/1/1989 to 1/16/1998)
• - 8000: 2500 heavy trucks (built from 1/1/89 to 1/16/98)
• - 8000: 8300 heavy tractors (built from 1/1/1989 to 1/16/1998)
• - 8000: 2600 heavy trucks (built from 1/1/89 to 1/16/98)
• - 8000: 2600 medium trucks (built 1/1/1989 thru 1/16/1998)
• - 8000: 8300 heavy tractors (built 1/1/1989 thru 1/16/1998)
• - 8000: 8100 heavy tractors (built before 1/16/98)
• - 8000: 2500 medium trucks (built from 1/1/1989 to 1/16/1998)
• - 8000: 2600 heavy trucks (built 1/1/89 to 1/16/98)
• - 8000: 2500 medium trucks (built 1/1/1989 thru 1/16/1998)
• - 8000: 8200 heavy tractors (built 1/1/1989 thru 1/16/1998)

Source One Parts Center is the ultimate destination for those seeking high-quality automotive components, and our synchronizer for 4th and 5th gears exemplifies this commitment. We understand the critical role that this component plays in the smooth operation of a vehicle's transmission system, which is why we offer only the highest quality parts. Our knowledgeable staff is always available to assist you in selecting the right synchronizer for your specific application, ensuring compatibility and optimal performance. With our competitive pricing and focus on customer satisfaction, you can trust Source One to provide the best value for your investment. Choose us for reliable components that enhance your vehicle's performance.