Fit For Following Models: Hatz 1B20.30, 1B20V.20, 1B27.10, 1B27.27, 1B30.25, 1B40.14, 1B40V/V.14, 1B50.10Z, 1D41.21, 1D42.10, 1D50.16, 1D81.24, 1D90.18, 1D90V.16, Ben MBR71, and 1-71 Single Drum Rollers Type: Voltage Regulator Number of Wires: 6 Number of Plugs: 2 (+1) Number of Pins: 6 Wire Identification: Blue - (W) Speed Black - Ignition White - Pilot Light 2x Yellow - Stator Light Coil Red - Battery Replacement Part Numbers: 01916800, 01983800 Color: Silver and Black Material: ABS + Metal Package Contents: 1 x Voltage Regulator Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight variations in the color of the item in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.