3817685C91
HARNESS, WIRING PRIMARY
Navistar International®

The harness wiring primary is designed to provide a reliable electrical connection for primary wiring systems in various vehicles. This harness facilitates efficient communication between the primary wiring and other electronic components, ensuring optimal performance and reliability. Its robust construction features high-quality materials that can withstand extreme temperatures and vibrations, making it suitable for heavy-duty applications. The harness is designed for easy installation, with connectors that ensure a secure fit and reliable operation, enhancing the overall functionality of the vehicle.

Navistar International Corporation is renowned for its commitment to quality and innovation in the commercial vehicle industry. The primary wiring harness is a testament to the company’s expertise in creating components that enhance vehicle functionality and performance. Designed to provide reliable electrical connectivity for various systems, this harness features high-quality materials that ensure durability and resistance to environmental factors. The robust construction and thoughtful design facilitate easy installation, minimizing potential downtime for operators. By focusing on producing reliable and efficient components, Navistar reinforces its reputation as a leading manufacturer in the industry.

This part fits the following models:

• - RXT (Regional Extreme Transport)
• - 4400 Medium Trucks
• - 7600 Severe Service Trucks (after 4/1/02)
• - 4300 Medium Trucks
• - 7700 Severe Service Trucks (after 12/15/03)
• - 7500 Severe Service Trucks (built on or after 7/1/01)
• - 8500 Heavy Tractors
• - 8600 Heavy Tractors
• - TerraStar Diesel Trucks
• - 7400 Severe Service Trucks (built on or after 7/1/01)
• - 4100 Medium Trucks
• - CXT (Commercial Extreme Transport)
• - 7300 Severe Service Trucks (built on or after 10/1/01)
• - 4200 Medium Trucks

We believe in the importance of quality assurance at Source One Parts Center. Our parts are selected with care to ensure that they enhance the performance and reliability of your vehicle.