2500246C91
SYNCHRONIZER 2ND AND 3RD
Navistar International®

The synchronizer for 2nd and 3rd 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.

Navistar International Corporation, a pioneer in the automotive sector since 1902, is recognized for its commitment to quality and innovation. The company has built a strong reputation for producing reliable components that enhance vehicle performance and safety. The synchronizer for 2nd and 3rd 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. Navistar's 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 part fits the following models:

• - 513: MT-513 transmission
• - 513: MT-513 transmissions
• - 4700: 4700 medium trucks (built on 5/23/97 & later)
• - 4700: 4700 medium trucks after 5/23/97
• - 4300: 4300 medium trucks
• - 4300: 4300 medium trucks
• - 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
• - 7300: 7300 severe service trucks (built on 10/1/01 & later)
• - 7300: 7300 severe service trucks after 10/1/01
• - 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)
• - 4400: 4400 medium trucks
• - 4400: 4400 medium trucks

At Source One Parts Center, we are committed to delivering parts that can withstand the demands of everyday driving. Our synchronizer components are engineered for durability and performance, making them a top choice for our customers.