- Direct fit electronic regulators offered in black or chrome finishes for many FL, FX, XL, Dyna, Softail, and Touring models
- Sized by amp rating 15-60 amps to match OEM stator and charging system requirements
- Help prevent overcharging and undercharging, extending battery and component life
The TwinPower 17.8 amp black voltage regulator is a direct-fit electronic replacement designed to help maintain proper charging-system operation. It replaces Harley-Davidson part number 74512-79A and is sized to match the requirements of the original-equipment stator and charging system.
This regulator fits select Harley-Davidson Big Twin models, including the 1976 FXE Super Glide; 1977 FX Super Glide, FXE Super Glide, and FXS Low Rider; 1978 FX Super Glide, FXE Super Glide, and FXS Low Rider; and 1979 FXE Super Glide, FXEF Fat Bob, and FXS Low Rider. Verify the model year and charging-system requirements before installation.
The regulator helps prevent overcharging and undercharging, supporting battery and charging-component life. It features a black finish and includes a one-year manufacturer’s warranty. Manufacturer part number: 498307. Vendor part number: 74512-79A.
Features:
- Brand: TwinPower
- Part number: 498307
- Vendor part number: 74512-79A
- Type: Direct-fit electronic voltage regulator
- Output: 17.8 amps
- Finish: Black
- Fitment: 1976-1979 Harley-Davidson FX, FXE, FXEF, and FXS models listed in the product description
- Charging-system function: Helps prevent overcharging and undercharging
- Warranty: One-year manufacturer’s warranty
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
1976 Harley Davidson FLH Electra Glide Base
1976 Harley Davidson FX Super Glide Base
1976 Harley Davidson FXE Super Glide Base
1977 Harley Davidson FLH Electra Glide Base
1977 Harley Davidson FX Super Glide Base
1977 Harley Davidson FXE Super Glide Base
1977 Harley Davidson FXS Low Rider Base
1978 Harley Davidson FLH Electra Glide Base
1978 Harley Davidson FX Super Glide Base
1978 Harley Davidson FXE Super Glide Base
1978 Harley Davidson FXS Low Rider Base
1979 Harley Davidson FLH Electra Glide Base
1979 Harley Davidson FXE Super Glide Base
1979 Harley Davidson FXEF Fat Bob Base
1979 Harley Davidson FXS Low Rider Base
1980 Harley Davidson FLH Electra Glide Base
1980 Harley Davidson FLHS Electra Glide Sport Base
1980 Harley Davidson FLT Tour Glide Base
1980 Harley Davidson FXB Sturgis Base
1980 Harley Davidson FXE Super Glide Base
1980 Harley Davidson FXEF Fat Bob Base
1980 Harley Davidson FXS Low Rider Base
1980 Harley Davidson FXWG Wide Glide Base