15% OFF ORDERS $35+ | 20% OFF $100+ | ONLINE ONLY
USE CODE
HOLIDAYSAVE
*
Exclusions apply.
Advance Auto Parts Logo
Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Speed Perks
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Loading...
Share
Product thumb
Product thumb
Product thumb
Product thumb
Product thumb
Product main large
Loading...
How Would You Like To Get This Item?

Store Pickup

Loading...Loading...Loading...

Same Day Home Delivery

Loading...Loading...Loading...

Home Delivery

Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...

Product Information

Product Details
Part No. AL0857X
Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. With a robust 140-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle's electrical systems. Engineered with high-quality materials and cutting-edge technology, it is built to withstand the rigors of daily use. Its clockwise rotation direction and remanufactured design guarantee precision and durability, while full-load testing ensures compliance with Bosch's stringent performance standards. Unlike rebuilt units, this alternator undergoes 100% factory testing to meet exacting specifications, providing peace of mind and long-lasting value.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch's strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last - uses high quality materials and the most technologically advanced developments.
    • Delivers consistent 140-amp output to support demanding vehicle electrical systems effectively.
Specifications
Amperage Rating:
140 A

Voltage:
12 VDC

Plug Clock Rear View Main Mounting Ear at 6 O Clock:
1

Plug Type:
381

Fan Type:
Internal

Rotation Direction:
Clockwise

External Fan Included:
Yes

One Wire Capable:
No

Pulley Included:
Yes

External Regulator Included:
Yes

Pulley Groove Quantity:
6

Case Material:
Aluminum

Case Color:
Aluminum

Regulator Type:
Internal

Pulley Outside Diameter:
53 mm

New Or Remanufacured:
Remanufactured
Loading...
Loading...Loading...Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...
No results
Loading...
Loading...Loading...Loading...Loading...Loading...
Feedback
Be The First To Know About Deals And Promotions.
Plus, create an account to receive $5 off of $20 or more.
TOP REPLACEMENT PARTS
Brake Pads & Shoes
Brake Rotors
Alternators
Water Pumps
Starters
Brake Calipers

Order Lookup

Help Desk

Store Locator

In Store Services

Mobile App

CUSTOMER SUPPORT
Accessibility Statement
Contact Us
Forgot Password
Help Desk
In Store Pickup
In Store Services
Order Tracking
Recall Information
Return Policy
Same Day Delivery
© 2025 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®