1687819C92
PULLEY, AUTOMATIC TENSIONER
Navistar International®

The pulley for the automatic tensioner is designed to maintain the proper tension on the serpentine belt, ensuring that all connected accessories operate smoothly and efficiently. Its innovative design includes a spring-loaded mechanism that automatically adjusts to changes in belt tension, preventing slippage and extending the life of the belt. The pulley is constructed from durable materials that can withstand high temperatures and harsh engine environments, making it a reliable choice for both everyday driving and demanding conditions. Additionally, the pulley design minimizes noise and vibration, contributing to a quieter engine operation and a more pleasant driving experience.

Navistar's legacy of quality and reliability is evident in every component they produce, including the pulley for the automatic tensioner. Designed to maintain proper tension on the serpentine belt, this part is crucial for ensuring that all connected accessories operate efficiently. The innovative design includes a spring-loaded mechanism that adjusts to changes in belt tension, reflecting Navistar's commitment to engineering excellence. Constructed from durable materials, this pulley is built to withstand high temperatures and demanding conditions, ensuring longevity and reliability. Navistar's expertise in creating automotive components that enhance overall performance makes this pulley an essential part for maintaining optimal engine functionality.

Models compatible with this part number:

• - 3800 School Bus Chassis (built on or after 5/23/97)
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - 4700 Medium Trucks (built on 5/23/97 & later)
• - 4900 Medium Trucks (built on 5/23/97 & later)
• - 4800 Medium Trucks (built on 5/23/97 & later)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 8100 Heavy Tractors (built on or after 1/16/98)

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