Alternator
Harley Bike Alternators & Regulators at JJ Motorsports
Keep your Harley charged and running strong with premium regulators and rectifying regulators from JJ Motorsports, engineered for reliable voltage control and maximum charging output on Sportster XL, FL/FLH Touring, and Big Twin models. These high-quality units prevent overcharging and ensure steady power for lights, ignition, and accessories.
Shop Cycle Electric and Drag Specialties regulators for proven durability. Explore related categories such as Harley lights and electrical for stators and batteries, or Harley for wiring and switches to complete your charging system upgrade.
Top Harley Alternators & Regulators
- Cycle Electric Inc Rectifying Regulator Harley-Davidson CE-324 – High-output rectifying regulator; built-in rectifier for Big Twin and Sportster charging systems.
- Drag Specialties Regulator XL 92-93 Chrome 74523-92CHR – Chrome voltage regulator for 1992-1993 Sportster; direct OEM replacement with classic look.
- Drag Specialties Voltage Regulator FL/FLH MC-DRAG009 – Solid-state regulator for FL/FLH Touring; reliable charging for 1989-1999 models.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
CYCLE ELECTRIC INC 3-Phase Charging Kit - Harley Davidson CE-88T
CYCLE ELECTRIC INC
$705.95CYCLE ELECTRIC INC 3-Phase Charging Kit Harley Davidson CE-88TKits produce 32A at 1,000 rpm and 50A at 2,500 rpm, Improved durability and dependability, Made in the U.S.A.21120857- SKU:
- 21120857
- Availability:
- Ships Same Business Day
- Weight:
- 12.10 LBS
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- KIT
- AMPS:
- 50 A
- PRODUCT NAME:
- CHARGING SYSTEM
- TYPE:
- OE REPLACEMENT
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 32 A
- RIDING STYLE:
- STREET
$705.95Qty in Cart: 0Quantity:Price:$705.95Subtotal: -
COMPU-FIRE Charging - System - 40A 55565
COMPU-FIRE
$638.39COMPU-FIRE Charging System 40A 55565Provide 25A at idle and 40A continuously above 2800 rpm, Unique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...21120098- SKU:
- 21120098
- Availability:
- Ships Same Business Day
- Weight:
- 11.20 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 40 A
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- CHARGING SYSTEM
- UNITS:
- EACH
$638.39 -
COMPU-FIRE Charging - System - 40A 55570
COMPU-FIRE
$613.86COMPU-FIRE Charging System 40A 55570Provide 25A at idle and 40A continuously above 2800 rpm, Unique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...21120099- SKU:
- 21120099
- Availability:
- Ships Same Business Day
- Weight:
- 10.35 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHARGING SYSTEM
- UNITS:
- EACH
$613.86 -
COMPU-FIRE Replacement - Stator 55404
COMPU-FIRE
$258.50COMPU-FIRE Replacement Stator 55404Unique narrow stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location without any frame modifications, Ideal for fuel-injected engines and...21120413- SKU:
- 21120413
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 40 A
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
$258.50 -
COMPU-FIRE Stator - 40A 3-Phase - Twin Cam 55405
COMPU-FIRE
$262.57COMPU-FIRE Stator 40A 3-Phase Twin Cam 55405Unique narrow stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location without any frame modifications, Ideal for fuel-injected...21120414- SKU:
- 21120414
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- ALTERNATOR
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- UNITS:
- EACH
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
$262.57 -
COMPU-FIRE Vented Rotor 55406
COMPU-FIRE
$184.97COMPU-FIRE Vented Rotor 55406Unique narrow rotor fits into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location without any frame modifications, Precision-balanced vented rotor keeps the...21120415- SKU:
- 21120415
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- ROTOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- OUTPUT VOLTAGE:
- 14.25 V
- TYPE:
- ALTERNATOR
$184.97 -
COMPU-FIRE Charging System Regulator 55402
COMPU-FIRE
$339.24COMPU-FIRE Charging System Regulator 55402Voltage regulator output is calibrated to 14.25V from idle on up, Ideal for fuel-injected engines and bikes with overdrive-type transmissions, Made in the U.S.A.21120416- SKU:
- 21120416
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 40 A
- PRODUCT NAME:
- REGULATOR
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$339.24 -
COMPU-FIRE 32A Charging System Kit - Harley Davidson 55522
COMPU-FIRE
$749.27COMPU-FIRE 32A Charging System Kit Harley Davidson 55522Kit includes stator, rotor and a black series-type regulator, Series-type regulator reduces load on stator and decreases engine drag, Not for fuel-injected models.21121236- SKU:
- 21121236
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- AMPS:
- 32 A
- COLOR/FINISH:
- UNFINISHED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHARGING SYSTEM
- UNITS:
- EACH
$749.27Qty in Cart: 0Quantity:Price:$749.27Subtotal: -
COMPU-FIRE Replacement Stator - 32A Charging System Kit - Harley Davidson 55534
COMPU-FIRE
$283.58COMPU-FIRE Replacement Stator 32A Charging System Kit Harley Davidson 55534Kit includes stator, rotor and a black series-type regulator, Series-type regulator reduces load on stator and decreases engine drag, Not for fuel-injected models.21121237- SKU:
- 21121237
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- RIDING STYLE:
- STREET
- AMPS:
- 32 A
- COLOR/FINISH:
- UNFINISHED
- PRODUCT NAME:
- STATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
$283.58Qty in Cart: 0Quantity:Price:$283.58Subtotal: -
COMPU-FIRE Voltage Regulator 38A - Harley Davidson 55150
COMPU-FIRE
$295.85COMPU-FIRE Voltage Regulator 38A Harley Davidson 55150New generation series regulators reduce load on stator and decrease engine drag, When not charging, regulator goes to an open circuit, so there is no load on the stator or rotor, Wire harness...09131703- SKU:
- 09131703
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- AMPS:
- 38 A
- PRODUCT NAME:
- REGULATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- SERIES-TYPE
$295.85 -
COMPU-FIRE 32A Charging System Kit - Harley Davidson 55520
COMPU-FIRE
$434.12COMPU-FIRE 32A Charging System Kit Harley Davidson 55520Kit includes stator, rotor and a black series-type regulator, Series-type regulator reduces load on stator and decreases engine drag, Not for fuel-injected models.DS195201- SKU:
- DS195201
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- AMPS:
- 32 A
- UNITS:
- KIT
- BATTERY VOLTAGE:
- 12 V
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHARGING SYSTEM
$434.12 -
COMPU-FIRE Charging - System - 40A 55560
COMPU-FIRE
$613.86COMPU-FIRE Charging System 40A 55560Provide 25A at idle and 40A continuously above 2800 rpm, Unique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...21120097- SKU:
- 21120097
- Availability:
- Ships Same Business Day
- Weight:
- 9.81 LBS
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- CHARGING SYSTEM
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$613.86 -
COMPU-FIRE Charging - System - 40A 55576
COMPU-FIRE
$638.39COMPU-FIRE Charging System 40A 55576Provide 25A at idle and 40A continuously above 2800 rpm, Unique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...21120152- SKU:
- 21120152
- Availability:
- Ships Same Business Day
- Weight:
- 10.75 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- CHARGING SYSTEM
$638.39 -
COMPU-FIRE Charging - System - 40A 55566
COMPU-FIRE
$651.81COMPU-FIRE Charging System 40A 55566Provide 25A at idle and 40A continuously above 2800 rpm, Unique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...21120153- SKU:
- 21120153
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 40 A
- PRODUCT NAME:
- CHARGING SYSTEM
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$651.81 -
DRAG SPECIALTIES Regulator - FX/FLST '01-'06 - Black 74540-01BLK
DRAG SPECIALTIES
$153.87DRAG SPECIALTIES Regulator FX/FLST '01-'06 Black 74540-01BLKTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121024- SKU:
- 21121024
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- AMPS:
- 38 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
$153.87Qty in Cart: 0Quantity:Price:$153.87Subtotal: -
DRAG SPECIALTIES Regulator - FX/FLST '01-'06 - Chrome 74540-01CHR
DRAG SPECIALTIES
$154.91DRAG SPECIALTIES Regulator FX/FLST '01-'06 Chrome 74540-01CHRTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121025- SKU:
- 21121025
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- AMPS:
- 38 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
$154.91Qty in Cart: 0Quantity:Price:$154.91Subtotal: -
DRAG SPECIALTIES Regulator - FX/FLST '07 - Black 74540-07BLK
DRAG SPECIALTIES
$162.19DRAG SPECIALTIES Regulator FX/FLST '07 Black 74540-07BLKTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121026- SKU:
- 21121026
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- AMPS:
- 40 A
- PRODUCT NAME:
- REGULATOR
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$162.19 -
DRAG SPECIALTIES Regulator - FX/FLST '07 - Chrome 74540-07CHR
DRAG SPECIALTIES
$162.19DRAG SPECIALTIES Regulator FX/FLST '07 Chrome 74540-07CHRTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121027- SKU:
- 21121027
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- CHROME
- AMPS:
- 40 A
- PRODUCT NAME:
- REGULATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$162.19Qty in Cart: 0Quantity:Price:$162.19Subtotal: -
DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Black 74540-08BLK
DRAG SPECIALTIES
$203.79DRAG SPECIALTIES Regulator FX/FLST '08-'10 Black 74540-08BLKTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121028- SKU:
- 21121028
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- AMPS:
- 40 A
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
$203.79 -
DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Chrome 74540-08CHR
DRAG SPECIALTIES
$210.03DRAG SPECIALTIES Regulator FX/FLST '08-'10 Chrome 74540-08CHRTwo years of development and design went into producing a superior regulator, Fully assembled in the USA with domestic made electrical boards, Tested three different times during the assembly...21121029- SKU:
- 21121029
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- UNITS:
- EACH
- AMPS:
- 40 A
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
$210.03Qty in Cart: 0Quantity:Price:$210.03Subtotal:
