A0121541402
Alternator
Detroit Diesel

This alternator is engineered to deliver reliable electrical power for heavy-duty truck systems, ensuring consistent operation of onboard electronics, lighting, and starting circuits. Its compact length and pulley dimensions are designed for easy mounting within the engine bay, with an 8-groove pulley compatible with Poly-V belts for efficient power transfer. Operating at 14 volts and capable of delivering up to 150 amps, it provides ample electrical output to meet the demands of modern engine accessories. The internal fan and regulator maintain stable voltage and temperature during high-speed operation, preventing overheating and electrical failures. The sturdy construction ensures durability under harsh conditions, including vibrations, high temperatures, and prolonged use. Proper electrical output from this alternator is crucial for maintaining system integrity and preventing downtime. Source One Parts Center supplies this component to support your vehicle’s electrical reliability and operational efficiency.