Give your car a black belt in raw power.

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Engineered

For OE Performance

Duralast alternators are manufactured to meet or exceed OE quality and performance for amperage output.

Warranty

Limited Lifetime Warranty

All Duralast alternators come with a limited-lifetime warranty - so you can be sure you're driving tough.

Peak Performance


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.

Duralast®

  1. Duralast alternators come with premium components for a long life
  2. They're triple tested to meet or exceed OE quality
  3. Each alternator has 100% replacement of bearings and brushes as well as a limited-lifetime warranty
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Duralast Gold®

  1. Every Duralast Gold alternator is 100% new and made with proprietary components and processes to ensure maximum life and performance
  2. Every unit is triple tested before assembly and 100% end-of-line tested
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Knowledge Is Power

Professional Grade

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.


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  • 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.

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