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The alternator is an essential part of the power circuit in your LAGUNA. It provides the necessary electrical energy for the engine (via the battery) and for ancillary functions (lights, heating, air-conditioning, radio, GPS, etc.). Its lifespan is around 100,000 miles. A defective alternator can lead to many types of breakdown, possibly preventing you from starting up your Renault LAGUNA. Two points are particularly important when choosing a new alternator: the terminal block, which must be similar to that of the original alternator, and its power, expressed in amps (A).
To purchase a suitable alternator, use our selector and specify the model and engine specifications of your Renault. Now choose the best price from among the VALEO, BOSCH, CEVAM, HELLA and DA SILVA offers, to name but a few. Prices for a new alternator will vary between £50 and £130. If you are looking for an inexpensive alternator, you can rely on our own brand, BÖLK: the guaranteed best price.
If the battery light remains illuminated on the dashboard, you need to pay attention. If, on the other hand, no warning light comes on, it will be difficult to predict the end of the alternator’s life in your Renault LAGUNA. One sign, however, may be interpreted as a deterioration in the alternator: a drop or change in the power of the electrical devices in your LAGUNA.