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Harley-Davidson Replacement 74504-78 Voltage Regulator

**All parts are 100% brand new and meet or exceed OEM specifications.**
**Units may differ in color from listing photos and are for U.S. Models only (unless otherwise noted)**
**Fitment information below is accurate to the best of our knowledge and should be used for reference only. If you have any questions about fitment, please call our parts specialist before placing your order. For further assistance call 586-257-1515

Product Description

Regulator
12 Volt, 15.3 Vset Description: Regulator, Electronic & Rectifier
OEM(s): Harley Davidson
Voltage: 12
Terminal ID: Armature - Field - Battery
Polarity: Negative
Includes Brush Holder?: No
Adjustable?: No
Includes Rectifier?: No
Includes Tolerance Ring?: No
Notes:

Replaces:
Harley Davidson 74504-78

Used On:
Harley Davidson XLCH 1000 1978
Harley Davidson XLCH 1000 1978
Harley Davidson XLCH 1000 1978
Harley Davidson XLCH 1000 1978
Harley Davidson XLH 1000 1978, 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLH 1000 1978, 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLH 1000 1978, 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLH 1000 1978, 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLS Roadster 1000cc 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLS Roadster 1000cc 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLS Roadster 1000cc 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLS Roadster 1000cc 1979, 1980, 1981, 1982, 1983, 1984
Harley Davidson XLSA Roadster Anniv. 1000cc 1982
Harley Davidson XLSA Roadster Anniv. 1000cc 1982
Harley Davidson XLSA Roadster Anniv. 1000cc 1982
Harley Davidson XLSA Roadster Anniv. 1000cc 1982
Harley Davidson XLX-61 1000cc 1983, 1984
Harley Davidson XLX-61 1000cc 1983, 1984
Harley Davidson XLX-61 1000cc 1983, 1984
Harley Davidson XLX-61 1000cc 1983, 1984
Harley Davidson XR 1000 1983, 1984
Harley Davidson XR 1000 1983, 1984
Harley Davidson XR 1000 1983, 1984
Harley Davidson XR 1000 1983, 1984

MCR Part Number: H0478

**PROP 65 - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov**.