*FITMENT-Fit For 2002 Avalanche 1500 1999 2000 2001 2002 2003 Silverado 1500 2000-2003 Tahoe 1999-2003 for GMCSierra 1500 2000 2001 2002 2003 for GMC Yukon. *ITEM SPECIFICATION-12 Volt,CW,11-Tooth Pinion. *High Performance-All Items Inspected for Reliability, Durability and Performance.Engineered to Meet or Exceed OEM Specifications. *SYSTEM COMPOSITION-The starting system converts the energy stored in the battery into mechanical energy. To achieve this conversion, a starter must be used. The function of the starter is to generate power from the DC motor, and the crankshaft of the engine is driven by the transmission mechanism to realize the starting of the engine. The starting system includes the following components: battery, ignition switch (starting switch), starter assembly, starter relay, and so on.. *NOTES-The starter is a valuable part of the car. In order to extend the life of the starter, proper using is also required. In the process of starting the engine,the starter should introduce 300400 Ah from the battery. Therefore, in order to avoid over current or damage of the battery, the starting time should not exceed 291 s; in winter, it is not easy to start . Each start-up time should not be too long, and appropriate intervals should be left in each start..
