Regulator Rectifier Fit for 9.9-60Hp 82-03 173692 581778 582304 Direct replacement to unit. Plug-and-play, direct fit, easy installation. No assembly required. Improved heat sink and capabilities. All shipped products are tested. Condition: Aftermarket Quantity: 1 piece Type: Voltage Regulator Rectifier Dimensions: Length: 33.1mm / 1.30 inches Width: 33.1mm / 1.30 inches Height: 25mm / 0.98 inches Mounting Holes: 47mm / 1.87 inches Number of plug interface pins: 4 Number of plugs: 4 Number of wires: 4 Wiring Diagram: Red - B+ Yellow - AC Yellow - AC Yellow - AC Shell - Ground Replacement Part Numbers: 173692 581366 581778 582304 583940 Fits Models: 4.5 1982-1983 5 1996-1998 6 1984-2001 7.5 1982-1983 8 1984-2001 9.9 1980-1992 15 1980-1992 20 1985-1998 25 1980-2003 28 1986-1996 30 1984-2003 35 1980-1984/1986-1988/1993 40 1984-1993 45 1989-1992 48 1987-1993 50 1980-1993 55 1980-1981/1989-1992/1996-1997 60 1980-1985 Package Includes: 1 Regulator Rectifier Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.