FUL21361
GEAR AUXILIARY MAIN SHAFT UNDER DRIVE
Navistar International®

The gear auxiliary main shaft under drive is designed to enhance the overall efficiency of the vehicle's transmission system. This component plays a crucial role in optimizing power delivery, allowing for improved fuel efficiency and performance. Constructed from high-quality materials, the gear auxiliary main shaft under drive is engineered to withstand the rigors of heavy-duty use, ensuring longevity and reliability. Its design features advanced engineering techniques that reduce friction and wear, contributing to smoother operation and enhanced driving comfort.

Navistar International Corporation has been a key player in the automotive industry for over a century, known for its commitment to quality and innovation in vehicle components. The gear auxiliary main shaft under drive is designed to enhance the efficiency of the transmission system, optimizing power delivery for improved fuel efficiency and performance. Constructed from high-quality materials, this part is engineered to withstand the demands of heavy-duty use, ensuring longevity and reliability. Navistar's expertise in precision engineering is evident in the design, which reduces friction and wear, contributing to smoother operation. This part exemplifies the company's dedication to providing components that enhance vehicle functionality and performance, further establishing its reputation in the market.

This part fits the following models:

• - 9700 Premium Cabover
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 5500 Severe Service Conventional
• - 9200 Premium Conventional (built before 3/15/96)
• - 5600 Severe Service Conventional
• - 5000 Severe Service (built from 1/1/1992 to 3/14/1996)
• - 7600 Severe Service Trucks (built on or after 4/1/02)
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - 5900 Severe Service Conventional
• - 5870 Severe Service (built before 3/15/1996)
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 9400 Premium Conventional (built on or after 3/15/96)
• - 4900 Medium Trucks (built on or after 5/23/97)
• - 9800 Premium Cabover
• - ProStar Linehaul Conventional
• - 8000 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 9100 Premium Conventional
• - 8200 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 5070 Severe Service (built from 1/1/1992 to 3/14/1996)
• - 9300 Premium Conventional
• - 2500 Medium Trucks (built from 1/1/1989 to 1/16/1998)
• - 2600 Medium Trucks (built from 1/1/1989 to 1/16/1998)
• - 8100 Heavy Tractors (built on or after 1/16/98)
• - 5000 Severe Service Conventional (built on or after 3/15/96)

When it comes to sourcing auxiliary main shaft gears, Source One Parts Center stands out for its quality and reliability. Their gears are designed to optimize power delivery in the transmission system, contributing to improved fuel efficiency and performance. Source One's dedication to customer satisfaction ensures that you receive not only high-quality parts but also exceptional service. Their user-friendly website makes it easy to find the right components for your specific vehicle, and their knowledgeable staff is always available to provide support. With fast shipping and competitive pricing, Source One is the best place to purchase your transmission components.