TYC 2-13857 Alternator

Reliable Alternator Replacement for Toyota and Scion Vehicles

The TYC 2-13857 alternator is designed to provide consistent power generation for select Toyota and Scion models. Engineered with an internal fan and regulator, this alternator ensures efficient charging and reliable electrical system performance for your vehicle.

• Power output of 90 amps for stable electrical supply
• Internal fan position for optimized cooling
• Regular pulley wheel design with 6 grooves for proper belt alignment
• Internal regulator position for compact and efficient operation
• Clockwise rotation direction compatible with specified vehicles
• OE manufacturer: Nd, ensuring quality and fitment standards

Technical Details and Compatibility

This TYC alternator (part number 2-13857) features a 90 amp power generation capacity suitable for maintaining battery charge and powering electrical components in your vehicle. The internal fan design helps maintain optimal operating temperatures, while the internal regulator ensures voltage stability. The pulley wheel has a regular design with 6 grooves, matching the belt system of compatible vehicles. Its clockwise rotation direction aligns with the original equipment specifications.

Compatible with Toyota Echo, Scion xA, and Scion xB models, this alternator meets the electrical demands of these vehicles, supporting their charging and starting systems effectively.

Common Applications and Problem Resolution

• Replaces faulty or worn alternators causing battery drain
• Resolves dimming headlights or electrical accessory malfunctions
• Fixes charging system warning lights on compatible Toyota and Scion models
• Addresses irregular voltage output affecting vehicle electronics
• Restores proper belt alignment with the 6-groove pulley design

Installation Notes and Tips

When installing the TYC 2-13857 alternator, ensure the pulley grooves align correctly with the vehicle’s serpentine belt. Verify the clockwise rotation direction matches the original alternator to avoid operational issues. Since the fan and regulator are internal, no additional external components are required. It is recommended to check the battery and electrical connections during installation for optimal performance.

Quality Assurance and Warranty

TYC alternators are manufactured to meet or exceed OEM standards, with quality controls in place to ensure durability and reliable operation. This alternator is backed by TYC’s standard warranty coverage, providing confidence in its performance for Toyota Echo, Scion xA, and Scion xB vehicles.