Skip to main content
NAPA Alternator

We Know Quality

The NAPA Alternator range provides a robust direct replacement for their OE equivalents. Benchmarked against tier 1 suppliers to meet the most popular applications in the UK&I market, our alternators meet and exceed OE specifications and industry standards to ensure product quality and functionality come first.

Available in the UK and Ireland.

We Know Our Products

NAPA Alternators are equipped with technology and production practices that greatly enhance their performance and reliability for a product offering that will keep your vehicle running.


Every alternator in our range is entirely surcharge-free to simplify the purchasing process. With a surcharge-free purchase, there is no need to return your alternator core, leaving you free to devote more time to installing and enjoying your newly purchased NAPA product.

Quality Assured

NAPA Alternators are made to exacting OE specifications to ensure consistent quality in every batch. Every alternator we produce is rigorously evaluated using end-of-functionality testing in an IATF 16949 and ISO 9001 accredited facility. This guarantees that no part falls short of the high standards of NAPA quality our customers’ value.

We Know How

At NAPA, Know How is everything. All our alternators are supported by a 3-year/36,000-mile warranty to protect your part against any unforeseen complications.

Our team of technical experts are on hand to provide support and guidance on our range of rotating electric products. This can cover anything from installation best practices to regular content releases addressing frequently asked questions regarding our other product ranges. Quality may begin with the product, but there is never an end to our Know How.

Find a Stockist of NAPA Rotating Electrics

Related Resources

Two Tests for Repairing a Faulty Alternator

Alternators are an integral component for keeping your vehicle mobile. When confronted by a faulty one, it is essential to properly carry out the necessary tests for finding the source of the issue so you can get back on the...

Know How - Expert Edition - How Do Alternators Work?

With MATT MASTERS Resident NAPA expert Matt Masters makes his Expert Edition debut this issue to explain the ins and outs of the alternator. As one of the finely tuned mechanical minds working to keep the NAPA brand going strong,...

Why do rotating products fail in winter?

Winter is the season for rotating electric failure due to the low temperatures resulting in cooler air and damp conditions which cause overnight condensation. This affects the car’s cranking system, making the starter motor work harder and creating a deeper...

Know How - Expert Edition - LIN-controlled Alternators

With Tim Stock Tim is well-known in the automotive aftermarket for his wealth of experience and expertise in all things repair-related. From lending a helping hand to installers through technical support to leading regular seminars, Tim’s name has become synonymous...