Car Voltage Regulators

The Alternator Voltage Regulator ensures that there is a consistent voltage output from your alternator. Faults in the regulator can result in either under or overcharging of the Car Battery and in turn increase the wear on the Alternator Bearings. Voltage issues can also affect the Alternator Decoupler Pulley, potentially causing issues with the drive belt and the engine performance as a whole which is why it is vital to check these components to maintain your vehicle's efficiency.

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  1. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2008-2013 Mercedes-Benz GL550 4.7L 5.5L V8
    Special Price $75.55 Regular Price $107.99
  2. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2002-2008 Audi A4 Quattro 1.8L 2.0L 3.0L L4 V6
    Special Price $84.78 Regular Price $120.99
  3. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1972-1979 Volkswagen Super Beetle 1.6L H4
    Special Price $38.45 Regular Price $54.99
  4. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2000-2001 Volkswagen Passat 1.8L 2.8L L4 V6
    Special Price $46.89 Regular Price $66.99
  5. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2003-2004 Peugeot 406 2.9L V6
    Special Price $64.33 Regular Price $91.99
  6. Hitachi Voltage Regulator
    Hitachi Astemo ALR0400-HU Voltage Regulator
    Special Price $64.96 Regular Price $92.99
  7. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1997-2002 Mercedes-Benz CLK320 3.2L V6
    Special Price $65.64 Regular Price $93.99
  8. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1996-2001 Audi A4 1.8L 2.8L L4 V6
    Special Price $65.64 Regular Price $93.99
  9. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1998-1999 BMW 323is 2.5L L6
    Special Price $65.64 Regular Price $93.99
  10. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2001-2005 Mercedes-Benz C240 2.6L V6
    Special Price $69.82 Regular Price $99.99
  11. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2006-2011 Mercedes-Benz E350 3.5L V6
    Special Price $75.55 Regular Price $107.99
  12. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2006-2011 Mercedes-Benz R350 3.5L V6
    Special Price $75.55 Regular Price $107.99
  13. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2007-2011 Mercedes-Benz ML63 AMG 6.3L V8
    Special Price $75.55 Regular Price $107.99
  14. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2009-2012 Audi A4 2.0L L4
    Special Price $78.89 Regular Price $112.99
  15. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2007-2011 BMW 335i 3.0L L6
    Special Price $82.92 Regular Price $117.99
  16. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2002-2008 Audi A4 1.8L 2.0L 3.0L L4 V6
    Special Price $84.78 Regular Price $120.99
  17. Wells Voltage Regulator
    Wells WVE 1V1081 Voltage Regulator
    Special Price $18.46 Regular Price $25.99
    Out of stock
  18. Hitachi Voltage Regulator
    Hitachi Astemo ALR0502 Voltage Regulator
    Special Price $29.15 Regular Price $41.99
  19. Hitachi Voltage Regulator
    Hitachi Astemo ALR0558 Voltage Regulator
    Special Price $35.74 Regular Price $50.99
  20. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1975-1979 Volkswagen Beetle 1.6L H4
    Special Price $38.45 Regular Price $54.99
  21. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1968-1974 Volkswagen Transporter 1.6L H4
    Special Price $38.45 Regular Price $54.99
  22. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1997-1999 Audi A8 3.7L V8
    Special Price $45.95 Regular Price $65.99
  23. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1996-1998 Audi A4 1.8L 2.8L L4 V6
    Special Price $45.95 Regular Price $65.99
  24. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1996-2003 Audi S6 2.2L 4.2L L5 V8
    Special Price $45.95 Regular Price $65.99
  25. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2001-2003 Audi S8 4.2L V8
    Special Price $46.89 Regular Price $66.99
  26. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 2000-2004 Audi A6 Quattro 4.2L V8
    Special Price $46.89 Regular Price $66.99
  27. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1997-2003 Audi A8 Quattro 4.2L V8
    Special Price $46.89 Regular Price $66.99
  28. Hitachi Voltage Regulator
    Hitachi Astemo ALR0696 Voltage Regulator
    Special Price $53.19 Regular Price $75.99
  29. Hitachi Voltage Regulator
    Hitachi Astemo ALR0570 Voltage Regulator
    Special Price $58.11 Regular Price $82.99
  30. Hitachi Voltage Regulator
    Hitachi Astemo ALR0417-HU Voltage Regulator
    Special Price $62.11 Regular Price $88.99
  31. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1991-1999 BMW 318is 1.8L 1.9L L4
    Special Price $64.33 Regular Price $91.99
  32. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1996-1999 BMW 318ti 1.9L L4
    Special Price $64.33 Regular Price $91.99
  33. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1997-1999 BMW 323i 2.5L L6
    Special Price $64.33 Regular Price $91.99
  34. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1999-2000 BMW 323ti 2.5L L6
    Special Price $64.33 Regular Price $91.99
  35. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1999-2000 Hyundai Elantra 2.0L L4
    Special Price $64.33 Regular Price $91.99
  36. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1990-1994 Audi 100 Quattro 2.3L 2.8L L5 V6
    Special Price $64.33 Regular Price $91.99
  37. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1998-2010 Volkswagen Beetle 2.0L L4
    Special Price $64.33 Regular Price $91.99
  38. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1994-1998 Audi Cabriolet 2.8L V6
    Special Price $64.33 Regular Price $91.99
  39. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1993-1994 Audi 90 Quattro 2.8L V6
    Special Price $64.33 Regular Price $91.99
  40. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1997 Mercedes-Benz C36 AMG 3.6L L6
    Special Price $64.33 Regular Price $91.99
  41. Hitachi Voltage Regulator
    Hitachi Astemo Voltage Regulator for 1994-2002 Mercedes-Benz E320 3.2L L6 V6
    Special Price $64.33 Regular Price $91.99
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