This is a high-quality Ski-Doo Regulator Rectifier for your Ski-Doo Stratos 503. This unit is an excellent money-saving choice when replacing your damaged regulator. This unit is a direct replacement unit for easy installation and no assembly is required.

OE #(s): 515175546, 410909000, 410910300, 410910700, 410911300, 410918400, 420866080, 515163900