For OE Performance
Duralast alternators are manufactured to meet or exceed OE quality and performance for amperage output.
Limited Lifetime Warranty
All Duralast alternators come with a limited-lifetime warranty - so you can be sure you're driving tough.
Duralast alternators feature premium components for a long life, including 100% new bearings and 100% new brushes.
Duralast alternators are triple tested to meet or exceed OE quality and ensure maximum performance. Every Duralast alternator comes with a limited-lifetime warranty, so you can drive with confidence.
All wear components are tested 100% to ensure maximum performance.
Every Duralast alternator is built with 100% new bearings.
Individual components are tested. They're built into sub-assemblies and tested again. Then every completed unit is tested to ensure OE or better performance.
We stand behind each alternator with a limited-lifetime warranty so you know we've got your back.
Every Duralast alternator is built with 100% new brushes.
Knowledge Is Power
Since 1979, we've been supplying mechanics, enthusiasts, and DIYers with professional grade parts for a price that makes sense. We pride ourselves on doing what it takes to do the job right.
That's why all our alternators are triple tested to ensure a long life and consistent performance - we believe everyone should have access to true professional grade parts.
Buy At AutoZone
- Your car's alternator converts mechanical energy to electrical energy in the form of alternating current.
- The alternator consists of a rotor, a stator, a rectifier assembly, brushes, and a pulley.
- An alternator problem can cause: a discharged battery, poor light operation, and erratic engine operation.
*Claim based on a proprietary consumer study of Automotive Aftermarket Parts conducted by The NPD Group, 2019