1699809C91
SYNCHRONIZER 6TH AND 7TH
Navistar International®

The synchronizer for 6th and 7th gears is designed to enhance the performance of a vehicle's transmission system, ensuring smooth and efficient gear shifts. This component works by synchronizing the speeds of the gears, allowing for seamless engagement and reducing the risk of transmission wear. Its precision engineering and high-quality materials contribute to its durability and reliability, making it a critical part of the transmission assembly. The design of this synchronizer is optimized for performance, providing drivers with a responsive and enjoyable driving experience.

Navistar International Corporation's commitment to engineering excellence has made it a respected name in the automotive industry, particularly in the realm of heavy-duty vehicles. With a history rooted in innovation, the company continuously strives to enhance vehicle performance through its expertly designed components. The synchronizer for 6th and 7th gears is an example of this dedication, engineered to optimize gear shifting and improve transmission efficiency. By focusing on precision and durability, Navistar ensures that this part performs reliably under various driving conditions, contributing to a smoother and more enjoyable driving experience. The company's expertise in creating high-quality components reinforces its reputation as a trusted manufacturer in the automotive sector.

This part fits the following models:

• - 1652: 1652 stripped chassis (built on 5/23/97 & later)
• - 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)
• - 3800: 3800 school bus chassis (built on 5/23/97 & later)
• - 3800: 3800 school bus chassis (built on or after 5/23/97)
• - 4300: 4300 medium trucks
• - 4300: 4300 medium trucks
• - 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)
• - 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)
• - 513: MT-513 transmission
• - 513: MT-513 transmissions

For those in need of high-quality automotive components, Source One Parts Center is the ideal place to shop. The synchronizer for 6th and 7th gears is just one example of the exceptional parts available. At Source One, customers can expect to find components that are built to withstand the rigors of daily driving while enhancing vehicle performance. The knowledgeable staff is dedicated to helping customers find the right parts for their specific needs, ensuring a seamless shopping experience. With a focus on customer satisfaction and competitive pricing, Source One is committed to providing the best value for your automotive parts purchases.