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
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STANDARD MOTOR PRODUCTS Voltage Regulator MC-VRB1
STANDARD MOTOR PRODUCTS
$134.95Internal wire connections are vibration resistant, Fiber and Mylar® insulating pads, Large diameter contact surfaces21120560- SKU:
- 21120560
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
$134.95 -
CYCLE ELECTRIC INC Rectifying Regulator Low Voltage - Harley Davidson CE-320L
CYCLE ELECTRIC INC
$212.95Control voltage on Harley-Davidson and Buell alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this...DS313017- SKU:
- DS313017
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- AMPS:
- 32 A
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- BATTERY VOLTAGE:
- 12 V
$212.95 -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-324
CYCLE ELECTRIC INC
$217.95Control voltage on Harley-Davidson and Buell alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this...DS313064- SKU:
- DS313064
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- AMPS:
- 32 A
- BATTERY VOLTAGE:
- 12 V
$217.95 -
CYCLE ELECTRIC INC 3-Phase Charging Kit - Harley Davidson CE-87T
CYCLE ELECTRIC INC
$708.95Kits produce 32A at 1,000 rpm and 50A at 2,500 rpm, Improved durability and dependability, Made in the U.S.A.21120858- SKU:
- 21120858
- Availability:
- Ships Same Business Day
- Weight:
- 11.95 LBS
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- PRODUCT NAME:
- CHARGING SYSTEM
- TYPE:
- OE REPLACEMENT
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 32 A
- AMPS:
- 50 A
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$708.95 -
CYCLE ELECTRIC INC 27A Alternator Kit - Harley Davidson CE-24S-07
CYCLE ELECTRIC INC
$688.95Kits include stator, rotor, black rectifying voltage regulator and mounting hardware, Made in the U.S.A., Adding electrical accessories increases amperage usage. When doing so, it is important to consider amperage ratings of switches and wires. If you...21121127- SKU:
- 21121127
- Availability:
- Ships Same Business Day
- Weight:
- 12.15 LBS
- RIDING STYLE:
- STREET
- AMPS:
- 15 A
- AMPS:
- 27 A
- NUMBER OF TEETH:
- 38 TEETH
- PRODUCT NAME:
- CHARGING SYSTEM
- TYPE:
- ALTERNATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- KIT
- ALTERNATOR PHASE TYPE:
- -
$688.95 -
CYCLE ELECTRIC INC 27A Alternator Kit - Harley Davidson CE-24S-09
CYCLE ELECTRIC INC
$689.95Kits include stator, rotor, black rectifying voltage regulator and mounting hardware, Made in the U.S.A., Adding electrical accessories increases amperage usage. When doing so, it is important to consider amperage ratings of switches and wires. If you...21121129- SKU:
- 21121129
- Availability:
- Ships Same Business Day
- Weight:
- 12.20 LBS
- AMPS:
- 15 A
- RIDING STYLE:
- STREET
- AMPS:
- 27 A
- NUMBER OF TEETH:
- 38 TEETH
- PRODUCT NAME:
- CHARGING SYSTEM
- TYPE:
- ALTERNATOR
- ALTERNATOR PHASE TYPE:
- -
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- KIT
$689.95 -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-608
CYCLE ELECTRIC INC
$272.95Control voltage on Harley-Davidson and Buell alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this...21121131- SKU:
- 21121131
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- MATERIAL:
- ALUMINUM
- AMPS:
- 45 A
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- AMPS:
- 60 A
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- ALTERNATOR PHASE TYPE:
- THREE-PHASE
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
$272.95 -
CYCLE ELECTRIC INC 3-Phase - Replacement Stator CE-8014
CYCLE ELECTRIC INC
$207.95Designed for direct OEM replacements, Made in the U.S.A.21121132- SKU:
- 21121132
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- AMPS:
- 50 A
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
$207.95 -
CYCLE ELECTRIC INC Low Voltage - Rectifying Regulator - Harley Davidson CE-105-13
CYCLE ELECTRIC INC
$185.95Control voltage on Harley-Davidson alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this reduces stator...21120841- SKU:
- 21120841
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- AMPS:
- 13 A
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- GENERATOR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$185.95 -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-211
CYCLE ELECTRIC INC
$217.95Control voltage on Harley-Davidson and Buell alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this...21120842- SKU:
- 21120842
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- AMPS:
- 32 A
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$217.95 -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-607
CYCLE ELECTRIC INC
$277.95Control voltage on Harley-Davidson and Buell alternators, unlike other rectifiers or regulators that dump to ground and cause maximum stator current and higher temperatures, Cycle Electric rectifying regulators block current to control voltage; this...21120845- SKU:
- 21120845
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 60 A
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- AMPS:
- 45 A
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$277.95 -
CYCLE ELECTRIC INC Alternator Stator - Harley Davidson CE-0732
CYCLE ELECTRIC INC
$177.95Designed for direct OEM replacement, Made in the U.S.A.21120847- SKU:
- 21120847
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- AMPS:
- 32 A
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- ALTERNATOR
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$177.95 -
COMPU-FIRE Charging - System - 40A 55565
COMPU-FIRE
$638.39Provide 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 without any frame modifications,...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
$613.86Provide 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 without any frame modifications,...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
$258.50Unique 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 bikes with overdrive-type...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
$262.57Unique 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 bikes with overdrive-type...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
$184.97Unique 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 stator cooler in closed primary...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
$339.24Voltage 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
$749.27Kit 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
$749.27 -
COMPU-FIRE Replacement Stator - 32A Charging System Kit - Harley Davidson 55534
COMPU-FIRE
$283.58Kit 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
$283.58