Part #: 13857N

MPA Electrical 13857N Alternator

New
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦New
🚗Fitment: Scion and Toyota, xA, xB, and Echo
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Reliable Alternator for Toyota and Scion Vehicles

The MPA Electrical New 13857N alternator is designed to provide consistent 12-volt electrical output for your Toyota Echo, xA, and xB models, as well as compatible Scion vehicles. Engineered to meet the specific charging needs of these cars, this 90-amp alternator ensures stable power delivery for your vehicle's electrical system.

  • 90 amps output for efficient charging
  • 12 volts electrical system compatibility
  • Internal fan for effective cooling
  • 4 groove serpentine pulley design
  • Internal voltage regulator for stable performance
  • Clockwise rotation suitable for specified models
  • Compatible with Toyota Echo, xA, xB and Scion models

MPA Electrical New Product Line Overview

The New product line from MPA Electrical focuses on delivering updated and reliable electrical components tailored for modern vehicle requirements. This alternator, part number 13857N, benefits from the New line's emphasis on internal component integration, such as the internal fan and voltage regulator, which help simplify installation and improve durability.

Technical Details and Features

This alternator operates at 12 volts and provides a 90-amp output, suitable for maintaining the electrical demands of Toyota Echo, xA, and xB models, as well as compatible Scion vehicles. The internal fan design aids in cooling the alternator during operation, reducing wear and extending service life. The 4 groove serpentine pulley ensures compatibility with the vehicle's belt system, while the internal voltage regulator maintains consistent voltage output. The clockwise rotation matches the original equipment specifications for these models, ensuring proper function and fit.

Common Applications and Problem Resolution

  • Replaces failing or underperforming alternators in Toyota Echo, xA, xB, and Scion vehicles
  • Resolves battery charging issues and electrical system malfunctions
  • Addresses dimming headlights or electrical accessory failures
  • Fixes warning lights related to charging system faults
  • Improves overall vehicle electrical reliability

Installation Notes and Tips

When installing the MPA Electrical 13857N alternator, ensure the serpentine belt is properly aligned with the 4 groove pulley. Verify the clockwise rotation matches the vehicle’s original alternator. Since the fan and voltage regulator are internal, no additional external components are required. It is recommended to disconnect the battery before installation to prevent electrical shorts. After installation, check the charging voltage to confirm proper operation.

Quality Assurance and Warranty

MPA Electrical provides this alternator with quality manufacturing standards consistent with the New product line. The internal components are designed for durability and reliable performance under normal operating conditions. Please refer to MPA Electrical’s warranty policy for specific coverage details related to part number 13857N.

BrandMPA Electrical
Part Number13857N
PositionNew
Amps90 Amps
Clock8:30
FanInternal
Pulley4 Groove Serpentine
RegulatorInternal
RotationClockwise
Volts12 Volts

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ScionxA1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2006ScionxB1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2005ScionxA1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2005ScionxB1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2005ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2004ScionxA1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2004ScionxB1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2004ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2003ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2002ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2001ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New
2000ToyotaEcho1.5LL4N/ACompatible with vehicles equipped with a 90 amp alternator.; New

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.