Car Alternators - Repair, Replacement & Buying Guide

Keep your vehicle powered and your battery charged. Our premium line of alternators — including OEM alternators, remanufactured alternators, and high-output alternators — gives you dependable performance for cars, trucks, and fleets. Whether you're troubleshooting alternator symptoms, comparing alternator cost, or scheduling alternator replacement, this page has everything you need.
What is an Alternator?
An alternator is the electrical heart of your vehicle while the engine runs. It converts mechanical energy into electrical energy to charge the battery and power lights, accessories, and electronics. Without a functioning alternator, your car will eventually run out of battery and stall.

How an Alternator Works
Types of Alternators We Offer
OEM Alternators
direct fit, factory-spec performance
Remanufactured Alternators
fully tested, budget-friendly
High-Output Alternators
increased amperage for aftermarket accessories
Performance Alternators
for racing or heavy-duty applications
Installation & Alternator Cost
-
DIY installation: Possible for experienced DIYers; requires basic tools and safety precautions.
-
Professional installation: Recommended if you’re not comfortable with electrical systems.
-
Typical cost range: Parts + labor vary by vehicle make/model. Expect competitive pricing on OEM and remanufactured units. (Display local pricing on the product or quote page.)
