Rebuilt alternator with serpentine pulley beside a dirty used al…

Two alternators sitting side by side on a wooden workbench for comparison — a clean rebuilt unit with a six-groove serpentine pulley on the left, and a dust-caked used unit with the pulley removed on the right. A crankshaft, tape measure, PB Blaster can and hand tools clutter the bench behind them.

AI caption December 2005 · Photo 1079 of 1781