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In partnership with AXA™ InsuranceIt is the device responsible for generating electricity to charge the battery, and it’s coupled with the engine drive, which means whenever the car is running, the battery is being charged!
f your battery is flat and refuses to accept charge through normal driving, or if your headlamps aren’t as bright as normal, then your alternator could be the problem.
Save up to 30% on your alternator replacement in Cambridge. See our table below to browse our honest, upfront prices.
Our efficient and fully qualified mechanics will replace your alternator, and you will be advised of any other connected or associated problems arising from its malfunction.
Daniel, from London
Hey Fixter, how often should an alternator need replacing?
Terry, Fixter in-house mechanic expert
Free collection and delivery — anywhere
It is the device responsible for generating electricity to charge the battery, and it’s coupled with the engine drive, which means whenever the car is running, the battery is being charged!
f your battery is flat and refuses to accept charge through normal driving, or if your headlamps aren’t as bright as normal, then your alternator could be the problem.
Save up to 30% on your alternator replacement in Cambridge. See our table below to browse our honest, upfront prices.
Our efficient and fully qualified mechanics will replace your alternator, and you will be advised of any other connected or associated problems arising from its malfunction.
Daniel, from London
Hey Fixter, how often should an alternator need replacing?
Terry, Fixter in-house mechanic expert
Free collection and delivery — anywhere
| Car make and model | Dealers average price | exclusive price | Instant savings |
|---|---|---|---|
 Vauxhall Agila Expression Twinport 1 litres | £249.87 | £202.00 | 19% |
Vauxhall Astra Breeze 1.6 litres | £240.72 | £204.00 | 15% |
Vauxhall Agila 1.2 litres | £266.86 | £214.00 | 20% |
Vauxhall Antara E Cdti 2 litres | £236.80 | £200.00 | 16% |
Vauxhall Adam Jam 1.2 litres | £259.91 | £212.00 | 18% |
Vauxhall Agila Enjoy 16v 1.2 litres | £244.86 | £212.00 | 13% |
Vauxhall Adam 1.4 litres | £248.06 | £202.00 | 19% |
Vauxhall Astra 1.7 litres | £298.34 | £259.20 | 13% |
Vauxhall Ampera 1.4 litres | £254.38 | £208.00 | 18% |
Vauxhall Antara 2 litres | £238.68 | £204.00 | 15% |
Vauxhall Antara 2 litres | £238.68 | £204.00 | 15% |
Vauxhall Astra 1.7 litres | £298.34 | £259.20 | 13% |
Vauxhall Adam Jam 1.2 litres | £259.91 | £212.00 | 18% |
Vauxhall Agila 1.2 litres | £266.86 | £214.00 | 20% |
Vauxhall Adam 1.4 litres | £248.06 | £202.00 | 19% |
* The cost of your alternator replacement depends on your car make and model and may vary depending on your location.
We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.
Fully qualified mechanics with 10+ years’ experience 👨🔧
Your car is in the UK’s safest expert hands.
Manufacturer-equivalent parts only ⚙️
Identical to your manufacturer’s, but much cheaper!
In-house experts approve all work personally 🔍
Every service carried out by our partner garages is fully reviewed.
12-month warranty on parts and labour 🛠
Any additional work needed will be carried out for free.
We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.
Fully qualified mechanics with 10+ years’ experience 👨🔧
Your car is in the UK’s safest expert hands.
Manufacturer-equivalent parts only ⚙️
Identical to your manufacturer’s, but much cheaper!
In-house experts approve all work personally 🔍
Every service carried out by our partner garages is fully reviewed.
12-month warranty on parts and labour 🛠
Any additional work needed will be carried out for free.
The alternator is the device responsible for generating electricity to charge the battery. It’s coupled with the engine drive, which means whenever the car is running, the battery is being charged. Without a charged battery there is no delivery of power to the electrical components or to generate the sparks used to combust the fuel in the engine.
An alternator typically lasts around 7 years or between 100k and 150k miles.
Without a correctly functioning alternator, your car is unlikely to hold enough charge in the battery to drive for any purposeful length of time. Having said that, the alternator won’t be tested during an MOT, so as long as the battery has enough charge for the engine and other electrical components to run for the duration of the examination, then it can still achieve a pass. We do not recommend this in any circumstance. If there is a problem with your alternator, you should have it repaired or replaced as soon as possible.
An alternator might break down due to a bearing failure, preventing the rotor from spinning freely. Fluid leaks or a too tight belt (or a loose belt slipping) can also cause damage and premature wearing.
If your battery is flat and refuses to accept charge through normal driving, then your alternator could be the problem.
If your headlamps aren’t as bright as normal or the function of other electrical components is weak, your alternator may not be supplying as much charge to the battery as it needs.
All warning lights are an indicator that a sensor has detected a failed component or poor operation. A battery warning light could be connected to your alternator performance.
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