Select Year...
  1. Select Year...
  2. 2016
  3. 2015
  4. 2014
  5. 2013
  6. 2012
  7. 2011
  8. 2010
  9. 2009
  10. 2008
  11. 2007
  12. 2006
  13. 2005
  14. 2004
  15. 2003
  16. 2002
  17. 2001
  18. 2000
  19. 1999
  20. 1998
  21. 1997
  22. 1996
  23. 1995
  24. 1994
  25. 1993
  26. 1992
  27. 1991
  28. 1990
  29. 1989
  30. 1988
  31. 1987
  32. 1986
  33. 1985
  34. 1984
  35. 1983
  36. 1982
  37. 1981
  38. 1980
  39. 1979
  40. 1978
  41. 1977
  42. 1976
  43. 1975
  44. 1974
  45. 1973
  46. 1972
  47. 1971
  48. 1970
  49. 1969
  50. 1968
  51. 1967
  52. 1966
  53. 1965
  54. 1964
  55. 1963
  56. 1962
  57. 1961
  58. 1960
  59. 1959
  60. 1958
  61. 1957
  62. 1956
  63. 1955
  64. 1954
  65. 1953
  66. 1952
  67. 1951
  68. 1950
  69. 1949
  70. 1948
  71. 1947
  72. 1946
  73. 1942
  74. 1941
  75. 1940
  76. 1939
  77. 1938
  78. 1937
  79. 1936
Select Make...
  1. Select Make...
Select Model...
  1. Select Model...

The Starting & Charging system consists of the battery, starter, alternator, cables, wiring, and related components like relays, solenoids, and voltage regulators. The battery provides power to the starter and ignition system when you turn the key. The starter turns the crankshaft so the engine builds enough compression to start, and the alternator recharges the battery and powers the vehicle’s electrical accessories when the engine is running.


Featured Brands

Batteries are electrochemical devices in which a chemical reaction between two dissimilar materials creates a voltage. A number of positive and negative plates are immersed in an electrolyte solution of water and sulfuric acid. The positive plates are coated with the active material lead dioxide (PbO2), and the negative plates with sponge lead (Pb). The positive and negative plates form a cell element, and there are 6 cell elements in a 12-volt battery.

Featured Products

In conventional flooded lead acid batteries, which includes maintenance-free batteries, the electrolyte is in liquid form. If the battery is damaged and leaks, the sulfuric acid in the electrolyte can cause serious vehicle damage and burns if it comes in contact with your body. Gel cell and AGM (Absorbed Glass Mat) batteries are superior alternatives. In the gel cell battery, silica is added to the electrolyte to form a gel-type material, while in AGM batteries, the electrolyte is held in matting that is akin to a sponge. If the case cracks on a gel cell or AGM battery, no electrolyte will leak out.

The starter motor converts electrical energy into mechanical energy. The starter circuit includes the battery, starter, and cables, which are activated by a starter control circuit consisting of the ignition switch, starter relay, solenoid, and wiring. When you turn the ignition switch, the relay energizes the starter solenoid, which sends power to the starter motor. The starter drive meshes with the flywheel/flexplate teeth before the starter motor begins to turn. Most starter drives are the overrunning clutch type, which only applies force in one direction, so the engine cannot apply torque to the starter.

A belt from the crankshaft drives the alternator, and it uses this mechanical energy to create electricity. The electricity is produced when the belt spins the rotor, creating a magnetic field that induces a voltage in the stator windings. Alternators produce AC current, which is rectified by diodes and transformed into the DC current that recharges the battery and powers the electrical system. The voltage output of the alternator must be controlled. This is done by varying the field current. On older vehicles this was done by a separate voltage regulator, but on most new vehicles regulator function is part of the ECM.

Guides & Articles

  • Auto Repair Parts
    Starter motors and alternators have a tough job. Starter motors are high-torque motors which must have the ability to turn over, or crank, an engine under varying weather and mechanical conditions. Without a functioning starter motor, you simply cannot start up a modern vehicle's engine.
  • Auto Repair Parts
    By definition, an automotive battery is an electrochemical device that stores and provides electrical energy on demand. Electrical energy is produced inside the battery by a chemical reaction occurring between two dissimilar plates immersed in an electrolyte solution. When the battery is discharging, it changes chemical energy into electrical energy and releases current. During charging, electrical energy is converted back into chemical energy and stored.
  • Auto Repair Parts
    Hybrids are everywhere these days and can be defined as, "any vehicle combining two or more sources of power which can directly or indirectly provide propulsion." Although all hybrid vehicles on the market today use batteries as one of the power sources, there are different mechanical layouts and operational approaches in the way electric motors function alongside gasoline combustion engines. Those that use a combustion engine to generate electrical power are described simply as "hybrids", while vehicles with larger battery packs that can also be recharged with an electrical cord are known as "plug-in hybrids". Vehicles with electric motors and without combustion engines are not considered hybrids, because they are "pure electric" vehicles. These so-called "EVs" are outside the scope of what we are covering here.

Browse by Vehicle

Starters, Alternators & Batteries Reviews

Average rating:  5  4.8 - 146 reviews
Read All Starting & Charging Reviews
4.8 of 5
1965 Chevy El Camino / Posted by Robert (Bixby, OK) /

The clip was needed to complete the original look and to properly secure the + cable coming from the starter. Great on my part, go to the company with the right item all the time!

Was this review helpful for you? Yes
View More