FUL4302411
GEAR MAIN SHAFT 1ST
Navistar International®

The gear main shaft 1st is a crucial component in the transmission system, designed to facilitate smooth gear shifting and enhance overall vehicle performance. This part is engineered with precision to ensure durability and reliability under various driving conditions. Its robust construction allows it to withstand high torque and stress, making it an essential element for maintaining optimal power transfer from the engine to the wheels. The design incorporates advanced materials that reduce friction and wear, contributing to a longer lifespan and improved efficiency. Additionally, the gear main shaft 1st is meticulously crafted to meet stringent quality standards, ensuring it fits seamlessly into the transmission assembly for easy installation and maintenance.

With a rich history dating back over a century, Navistar International Corporation has become synonymous with quality and innovation in the automotive industry. The company has continuously focused on developing parts that enhance vehicle performance and reliability. The gear main shaft 1st is a crucial component in the transmission system, designed to facilitate smooth gear shifting. Navistar's expertise in precision engineering ensures that this part can withstand high torque and stress, making it essential for maintaining optimal power transfer from the engine to the wheels. The advanced materials used in its construction reduce friction and wear, further enhancing its longevity and efficiency. This commitment to excellence solidifies Navistar's standing as a trusted manufacturer of automotive parts.

This part fits the following Navistar models:

• - 9300 Premium Conventional (built before 3/15/96)
• - 5500I Severe Service Conventional
• - 4400 Medium Trucks
• - ProStar Linehaul Conventional Limited
• - 7500 Severe Service Trucks (built on or after 7/1/01)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - HV with Heavy Duty Engines
• - 7400 Severe Service Trucks (built on or after 7/1/01)
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 9800 Premium Cabover
• - 8500 Heavy Tractors
• - 8100 Heavy Tractors (built on 1/16/98 & later)
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - 513 MT-513 Transmission
• - LS LoneStar
• - LT Linehaul Transport
• - ProStar Linehaul Conventional
• - ProStar Linehaul Conventional Premium
• - RH Regional Haul
• - TG01 LoneStar Linehaul Conventional
• - 8600 Heavy Tractors
• - 5900I Severe Service Conventional
• - HX Heavy Extreme
• - 9400 Premium Conventional (built on or after 3/15/96)
• - 7700 Severe Service Trucks (built on or after 12/15/03)
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 9100 Premium Conventional
• - MV Medium Vocational
• - 9200 Premium Conventional (built before 3/15/96)
• - 5600I Severe Service Conventional
• - HV with Medium Duty Engines
• - 7600 Severe Service Trucks (built on or after 4/1/02)
• - 7300 Severe Service Trucks (built on or after 10/1/01)

Source One Parts Center is your go-to destination for high-quality automotive transmission components. Our gear main shaft 1st is designed to facilitate smooth gear shifting and enhance overall vehicle performance. We recognize that durability and reliability are crucial for our customers, which is why we offer parts that are meticulously crafted from advanced materials. At Source One, we are dedicated to providing exceptional customer service, ensuring that you have a positive shopping experience from start to finish. Our knowledgeable staff is always available to assist you in selecting the right part for your vehicle, making the process quick and easy. With our competitive pricing and commitment to fast shipping, Source One is the best place to purchase the automotive parts you need.