85106374
Alternator
Volvo

This high-capacity alternator is designed to meet the demanding electrical load of Volvo heavy-duty trucks, delivering stable performance across the full range of engine speeds. It supports essential systems such as lighting, communications, climate control, and the engine management module, ensuring reliable starts and consistent electronics operation even on long hauls with extended idling. The unit emphasizes tough construction, corrosion resistance, and robust wiring harness connections to withstand road salt, vibration, and exposure to hot under-hood conditions. A reliable alternator minimizes parasitic drain on the battery and reduces the likelihood of charging system faults that can trigger warning lights or unplanned downtime. Proper installation involves correct belt tension, pulley alignment, and voltage regulation settings aligned with OEM specifications. Source One Parts Center stresses verifying amperage and mounting compatibility to avoid fitment problems during service.