WAI 13857N Alternator 12V 90A 4-Rib Pulley

The WAI 13857N is a 100% new OE-grade alternator designed to deliver reliable charging system performance. This unit features 12-volt operation with 90-amp output capacity and a 4-rib serpentine pulley configuration, making it a direct replacement for specific vehicle applications.

Key Features:

• 12-volt electrical system with 90-amp output
• 4-rib serpentine pulley design
• 100% new construction with premium components
• OEM equivalent quality and specifications
• Comprehensive performance and safety tested
• Premium WBD bearings for long-lasting durability
• High-quality Transpo electronics, voltage regulators, and rectifiers

WAI is a world-renowned manufacturer with over 40 years of proven experience in designing vehicle electronics. Each alternator undergoes rigorous quality control testing to meet or exceed OEM specifications. All WAI alternators are manufactured with premium brushes and components engineered for extended service life and reliable performance in demanding conditions.