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Alternator regulator for automobile

Spare: Alternator voltage regulator original

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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Alternator regulator at low cost: Top Spares

Alternator Regulator 12V (RIDEX, 288R0002)
-24%
original Alternator Regulator RIDEX 288R0002
Article №: 288R0002
RIDEX Alternator Regulator 288R0002
£ 22,49**
£ 17,09
incl. 20% VAT, excl. delivery costs
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14
  • Electronic Regulator
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 12V (RIDEX, 288R0030)
-24%
original Alternator Regulator RIDEX 288R0030
Article №: 288R0030
RIDEX Alternator Regulator 288R0030
£ 20,49**
£ 15,57
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 items in stock
Alternator Regulator 12V (AS-PL, ARE3045)
-24%
original Alternator Regulator AS-PL ARE3045
Article №: ARE3045
AS-PL Alternator Regulator ARE3045
£ 23,49**
£ 17,85
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator (TOPRAN, 101 506)
-24%
original Alternator Regulator TOPRAN 101 506
Article №: 101 506
TOPRAN Alternator Regulator 101 506
£ 6,99**
£ 5,31
incl. 20% VAT, excl. delivery costs
  • Manufacturer Restriction: Bosch
  • Charging Voltage [V]: 14,5
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator (VALEO, 599316)
-24%
original Alternator Regulator VALEO 599316
Article №: 599316
VALEO Alternator Regulator 599316
£ 28,99**
£ 22,03
incl. 20% VAT, excl. delivery costs
  • Weight [kg]: 0,132
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 12V (HELLA, 5DR 004 241-121)
-24%
original Alternator Regulator HELLA 5DR 004 241-121
Article №: 5DR 004 241-121
HELLA Alternator Regulator 5DR 004 241-121
£ 17,49**
£ 13,29
incl. 20% VAT, excl. delivery costs
  • Manufacturer Restriction: Bosch
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14,1
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 14,5V (FEBI BILSTEIN, 17202)
-24%
original Alternator Regulator FEBI BILSTEIN 17202
Article №: 17202
FEBI BILSTEIN Alternator Regulator 17202
£ 13,99**
£ 10,63
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 14,5
  • Weight [kg]: 0,05
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 12V (AS-PL, ARE0008)
-24%
original Alternator Regulator AS-PL ARE0008
Article №: ARE0008
AS-PL Alternator Regulator ARE0008
£ 19,99**
£ 15,19
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator Hueco (HITACHI, 130649)
-24%
original Alternator Regulator HITACHI 130649
Article №: 130649
HITACHI Alternator Regulator 130649
£ 56,49**
£ 42,93
incl. 20% VAT, excl. delivery costs
  • Alternator Charge Current [A]: 180
  • Manufacturer Restriction: Valeo
  • Supplementary Info: Hueco
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 12V (HELLA, 5DR 004 241-131)
-24%
original Alternator Regulator HELLA 5DR 004 241-131
Article №: 5DR 004 241-131
HELLA Alternator Regulator 5DR 004 241-131
£ 18,49**
£ 14,05
incl. 20% VAT, excl. delivery costs
  • Manufacturer Restriction: Bosch
  • Rated Voltage [V]: 12
  • Operating voltage [V]: 14,1
  • Alternator type: with resistance
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator 14,6V (MESSMER, 216095)
-24%
original Alternator Regulator MESSMER 216095
Article №: 216095
MESSMER Alternator Regulator 216095
£ 26,99**
£ 20,51
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 14,6
  • Condition: New
Details
Over 100 items in stock
Alternator Regulator (ALANKO, 10700241)
-24%
original Alternator Regulator ALANKO 10700241
Article №: 10700241
ALANKO Alternator Regulator 10700241
£ 20,49**
£ 15,57
incl. 20% VAT, excl. delivery costs
  • Manufacturer Restriction: Bosch
  • Voltage from [V]: 12
  • Voltage to [V]: 14,5
  • Fitting Position: Alternator
  • Support plate diameter [mm]: 14
  • Plug Type ID: L, DFM
  • New Part
  • Connector Shape: D-Shape
  • Quantity Unit: Piece
  • Condition: New
Details
Over 100 items in stock
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