FULA7331
SYNCHRONIZER AUXILIARY DIRECT
Navistar International®

The auxiliary direct synchronizer is designed to enhance the functionality of a vehicle's transmission system, ensuring smooth gear transitions. This component plays a crucial role in synchronizing gear speeds, which helps prevent grinding and wear during shifts. Its innovative design and high-quality materials contribute to its durability and reliability, making it an essential part of the transmission assembly. The auxiliary direct synchronizer is engineered to perform efficiently under various driving conditions, providing drivers with a responsive and enjoyable driving experience.

With a legacy that spans more than a century, Navistar International Corporation is recognized for its dedication to producing high-quality vehicle components. The auxiliary direct synchronizer is designed to enhance the functionality of a vehicle's transmission system, showcasing the company's expertise in precision engineering. This component plays a crucial role in synchronizing gear speeds, preventing grinding and wear during shifts. Its innovative design and high-quality materials contribute to its durability and reliability, making it an essential part of the transmission assembly. Navistar's commitment to performance and efficiency ensures that this synchronizer performs reliably under various driving conditions.

This part fits the following models:

• - 9400: 9400 premium conventional (built on 3/15/96 & later)
• - TG01: LoneStar linehaul conventional
• - 9800: 9800 premium cabover (built on 1/16/98 & later)
• - 4400: 4400 medium trucks
• - PRO: ProStar linehaul conventional
• - PROP: ProStar linehaul conventional premium
• - 7400: 7400 severe service trucks (built on or after 7/1/01)
• - 2600: 2600 heavy service trucks (built on or after 1/16/98)
• - 9900: 9900 premium conventional (built on 3/15/96 & later)
• - 7500: 7500 severe service trucks (built on or after 7/1/01)
• - RH: Regional haul
• - 9200: 9200 premium conventional (built before 3/15/96)
• - LT: Linehaul transport
• - PROL: ProStar linehaul conventional limited
• - 8600: 8600 heavy tractors
• - 8600: 8600 heavy tractors

We are dedicated to providing parts that support your vehicle's performance. Our synchronizer auxiliary direct parts are carefully sourced to ensure they meet the highest standards for quality and longevity.