1665334C1
SHAFT, SHIFT FORK LOCK
Navistar International®

The shift fork lock shaft is a vital component in the transmission system, responsible for engaging and disengaging gears smoothly. This part is designed to provide precise control over gear shifting, ensuring that transitions between gears are seamless and reliable. Its robust construction allows it to handle the forces exerted during gear changes, contributing to the overall durability of the transmission. The shift fork lock shaft is typically made from high-strength materials that resist wear and fatigue, ensuring long-lasting performance. Its design also facilitates easy installation, making it a preferred choice for both manufacturers and mechanics alike.

Navistar International Corporation has built a strong reputation in the automotive industry, known for its commitment to quality and engineering excellence. With a history that dates back to 1902, the company has continuously evolved, adapting its products to meet the changing demands of the market. This expertise is particularly evident in the design of the shift fork lock shaft, which is essential for smooth gear engagement in transmission systems. The engineering team at Navistar leverages their extensive knowledge of automotive mechanics to produce components that enhance the overall performance and reliability of vehicles. Each shift fork lock shaft is crafted with precision and undergoes rigorous testing to ensure it meets the high standards of durability and functionality that Navistar customers expect.

Models compatible with this part include:

• - MT-514 Rear Axle
• - 8300 Heavy Tractors (built before 1989)
• - 4900 Medium Trucks (built on 5/23/97 & later)
• - 9600 Premium Cabover (built from 1981-1990)
• - 9100 Premium Conventional
• - 8200 Heavy Tractors (built 1/1/1989 to 1/16/1998)
• - 9700 Premium Cabover (built from 1991 & later)
• - 9300 Premium Conventional (built before 3/15/96)
• - 9400 Premium Conventional (built on 3/15/96 & later)
• - 9800 Premium Cabover (built on 1/16/98 & later)
• - 8100 Heavy Tractors (built on 1/16/98 & later)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - 9900 Premium Conventional (built on 3/15/96 & later)
• - 4000 Medium Trucks (built before 5/23/97)

At Source One Parts Center, we recognize the critical role that transmission components play in vehicle performance. Our shift fork lock shafts are designed with precision engineering to ensure smooth gear engagement and durability. We pride ourselves on offering a wide selection of high-quality parts that meet or exceed industry standards. Our dedicated team is always available to provide expert guidance, helping you select the right part for your vehicle's needs. With our commitment to customer satisfaction and competitive pricing, Source One is the best choice for sourcing reliable automotive components that enhance your vehicle's performance.