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Built for durability and precision
exploring the great outdoors
Built to meet stringent OEM standards
and 389—this kit ensures a secure fit and durable performance in heavy-duty applications
it ensures a tight seal under high temperature and vibration conditions
PETERBILT HARNESS-WIRE FAN SWITCH Cat Tools Built for durability and precisionThe PETERBILT HARNESS WIRE FAN SWITCH features a fan potentiometer switch designed for precise regulation of fan speed. This component ensures accurate control of cooling fan operation, improving thermal management and enhancing engine performance while maintaining system reliability under varied conditions.