AFFORDABLE AUTOMOTIVE BATTERIES

Need a battery for your motorhome or caravan or your boat and jetski? Whatever the reason you need a battery, we have them in stock and our team are knowledgeable on the best battery to meet the needs of your vehicle and purpose.

We stock one of the largest selections of batteries in Northland. We can fit the battery for you, saving you time and hassle - and a messed up sound system.

Fill in the form today!

ONLINE BOOKING

Have you broken down?

Alternator Repairs vs. Replacement: What’s Best for Your Car?

Name: Snow Bros
Address: 69 Clyde, Whangarei
Telephone: 09 438 2822

If your vehicle is showing signs of alternator trouble, you may be wondering: can it be repaired, or does it need to be replaced? The answer depends on the condition of the alternator and the cost-effectiveness of each option.

Here’s a quick guide for Whangarei vehicle owners to help decide the best approach.

When Can an Alternator Be Repaired?

An alternator is made up of several components, including:

Bearings

Brushes

Voltage regulator

Diodes

In some cases, the alternator housing and core systems are still sound, and the problem lies in a single worn or failed component. If that’s the case, a repair or rebuild may be possible.

Repair may be suitable if:

The alternator hasn’t completely failed

You’ve noticed early symptoms (dimming lights, battery warning light)

A single part is the known issue

You’re looking for a more cost-effective option

At Snow Bros Auto & Electrical, we can inspect and advise if repair is viable or cost-effective based on your specific vehicle.

When Should the Alternator Be Replaced?

In many cases, especially for older vehicles or high-mileage alternators, replacement is the better choice.

Replacement is often recommended if:

The alternator has completely failed

Multiple internal parts are worn or damaged

Repair costs approach or exceed the price of a new alternator

You want the reliability and warranty of a new or reconditioned unit

What's the Cost Difference?

Repairs may be cheaper upfront but may not include a warranty.

Replacement alternators (especially quality new or reconditioned ones) come with a warranty and peace of mind, and usually result in less downtime.

At Snow Bros, we’ll always quote both options when available so you can make an informed decision.

Let Snow Bros Help You Choose the Right Option

Not sure if your alternator needs repair or replacement? Our qualified team at Snow Bros Auto & Electrical in Whangarei will inspect your system, give you a clear explanation, and help you choose the best path forward.