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Alternator regulator for automobile

Original Alternator regulator catalogue

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Information - Alternator regulator

Alternator relay: replacement and selection

When and why it is necessary to replace alternator voltage regulator

Manufacturers do not set terms of scheduled replacement for this component. A new element is needed in case of breakage or shorted contacts. And if the component is combined with alternator brushes, then it should be replaced at their wear-out.

Closure of contacts occurs mostly due to oxidation at moisture ingress, and open circuit can be caused by failures in the car electric system. First of all, wear-out of the alternator brushes is connected with their abrasion which leads to clogging of gaps between them with abrasive wear debris.

Defectiveness of the alternator voltage regulator can be indicated by the fact that the corresponding indicator lamp on the instrument panel doesn’t go on at ignition turning on. Also breakage is pointed out by the battery indicator, which doesn’t go on after engine start. A broken down part stops to adjust intensity of current coming from the alternator. Due to this, the battery can be charged insufficiently or excessively. Troubles with engine start quite often occur at insufficient charge. Sometimes it is impossible to start the car at all. Electrolyte boils out at excessive battery charge. You can learn about this, noticing the white deposit on the battery and near it. If the voltage regulator combined with brushes is broken down, then, in most cases, there will be no electric power in the car.

In order to replace the alternator relay, you need to demount the alternator and, possibly, a few other parts complicating access to the unit. It is necessary to perform this job in accordance with the instruction noted in the car technical documentation.

How to select alternator relay

These parts can be combined with the alternator brushes or can be separate components. The most common regulators are of the first type, however, the components without brushes are notable for a longer operational lifetime.

In order to make the part serve faultlessly during a long time, purchase it from a proven manufacturer. For instance, high-quality alternator voltage regulators are presented in the assortment of HELLA, VEMO, BOSCH.

During component selection be guided by the brand, model, production year of your car. Also consider the type and power of the alternator, working voltage of the relay. Moreover, the components can differ by the fastening type.

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Best goods: Alternator regulator

RIDEX 288R0003 Alternator Regulator 12V
288R0003
Article №: 288R0003
Alternator regulator RIDEX 288R0003
£ 19,49
incl. 20% VAT, excl. delivery costs
  • Alternator type: Alternator regulator negative regulation
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14,7
  • Condition: New
Details
Over 100 in stock
RIDEX 288R0097 Alternator Regulator 12V
288R0097
Article №: 288R0097
Alternator voltage regulator RIDEX 288R0097
£ 6,49
incl. 20% VAT, excl. delivery costs
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14,1
  • Alternator type: with resistor
  • Assy./disassy. by qualified personnel required!
  • Condition: New
Details
Over 100 in stock
RIDEX 288R0002 Alternator Regulator 12V
288R0002
Article №: 288R0002
Alternator regulator RIDEX 288R0002
£ 16,99
incl. 20% VAT, excl. delivery costs
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14
  • Electronic Regulator
  • Condition: New
Details
Over 100 in stock
RIDEX 288R0030 Alternator Regulator 12V
288R0030
Article №: 288R0030
Alternator voltage regulator RIDEX 288R0030
£ 16,49
incl. 20% VAT, excl. delivery costs
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14,3
  • Alternator type: Alternator regulator positive regulation
  • Condition: New
Details
Over 100 in stock
AS-PL ARE0006 Alternator Regulator 12V
ARE0006
Article №: ARE0006
Alternator regulator AS-PL ARE0006
£ 5,99
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Condition: New
Details
Over 100 in stock
AS-PL ARE3045 Alternator Regulator 12V
ARE3045
Article №: ARE3045
Alternator voltage regulator AS-PL ARE3045
£ 18,49
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Condition: New
Details
Over 100 in stock
TOPRAN 101506 Alternator Regulator
101 506
Article №: 101 506
TOPRAN 101 506 Alternator regulator
£ 5,49
incl. 20% VAT, excl. delivery costs
  • Manufacturer Restriction: Bosch
  • Charging Voltage [V]: 14,5
  • Condition: New
Details
Over 100 in stock
HC-Cargo 134475 Alternator Regulator 14V
134475
Article №: 134475
HC-Cargo 134475 Alternator voltage regulator
£ 10,99
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 14
  • Charging Voltage [V]: 14,7
  • Condition: New
Details
Over 100 in stock
MAGNETI MARELLI 940016098000 Alternator Regulator
Article №: 940016098000
MAGNETI MARELLI 940016098000 Alternator regulator
£ 19,99
incl. 20% VAT, excl. delivery costs
Details
Over 100 in stock
AS-PL ARE0002 Alternator Regulator 12V
ARE0002
Article №: ARE0002
AS-PL ARE0002 Alternator voltage regulator
£ 5,99
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Condition: New
Details
Over 100 in stock
VALEO 599316 Alternator Regulator
599316
Article №: 599316
VALEO 599316 Alternator regulator
£ 35,99
incl. 20% VAT, excl. delivery costs
  • Weight [kg]: 0,132
  • Condition: New
Details
Over 100 in stock
BOSCH F00MA45300 Alternator Regulator
Article №: F 00M A45 300
BOSCH F 00M A45 300 Alternator voltage regulator
£ 31,49
incl. 20% VAT, excl. delivery costs
Details
Over 100 in stock
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