Replacement Part Number:136-7879, 127-9219 Fit For Following Models: for : E-Series 34, E-Series 42, E-Series 50, E-Series 54, S-Series 42, S-Series 50, S-Series 54, S-Series 60, Radius E-Series 44, Radius E-Series 48, Radius E-Series 52, Radius E-Series 60, Radius S-Series 48, Radius S-Series 52, Radius S-Series 60 Generic: for Toro: TimeCutter 4225, TimeCutter 6000, TimeCutter HD MyRide 48, TimeCutter HD MyRide 54, TimeCutter HD MyRide 60, TimeCutter HD X4850, TimeCutter HD X5450, TimeCutter HD XS4850, TimeCutter HD XS5450, TimeCutter HD ZX4800, TimeCutter HD ZX5400, TimeCutter MX4200, TimeCutter MX4250, TimeCutter MX4275, TimeCutter MX4275T, TimeCutter MX5000, TimeCutter MX5050, TimeCutter MX5075, TimeCutter MX5075T, TimeCutter MX5475, TimeCutter MX6050, TimeCutter SS4225, TimeCutter SS4250, TimeCutter SS5000, TimeCutter SS5425, TimeCutter SW4200, TimeCutter SW5000, TimeCutter SW5425, TimeCutter SWX4250, TimeCutter SWX5000, TimeCutter SWX5050, TimeCutter XS4850, TimeCutter ZS4200, TimeCutter ZS4200T, TimeCutter ZS5000, HD 1500 48, HD 1500 52, HD 1500 60, HD 2000 48, HD 2000 52, HD 2000 60 SD, MyRide 48, MyRide 54, MyRide 60, X4850, X5450, XS4850, XS5450, ZX4800, ZX5400, ZX6000, -250 Trencher, Z-Master 2000 48, Z-Master 2000 48 Turbo Force, Z-Master 2000 52, Z-Master 2000 52 Turbo Force, Z-Master 2000 60, Z-Master 2000 60 Turbo Force, Z-Master 2000 MyRide 52, Z-Master 2000 MyRide 60 Colour:As Shown Material:Metal+ABS Package Contents: 1 x Voltage Regulator With Wiring Harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.