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Harley Alternator

Harley Alternator

Harley 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

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
  • DRAG SPECIALTIES Regulator - FL '04-'05 - Chrome 74622-04

    DRAG SPECIALTIES Regulator - FL '04-'05 - Chrome 74622-04

    DRAG SPECIALTIES

    $282.43
    A failing voltage regulator can leave you stranded or cause costly electrical damage to your bike's charging system. The DRAG Specialties regulator for FL '04-'05 delivers rock-solid voltage stability under all riding conditions, eliminating the...
    21120786
    SKU:
    21120786
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    AMPS:
    38 A
    AMPS:
    45 A
    COLOR/FINISH:
    CHROME
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    BATTERY VOLTAGE:
    12 V
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    $282.43
    Qty in Cart: 0
    Quantity:
    Price:
    $282.43
    Subtotal:
  • DRAG SPECIALTIES Regulator FXD '08-'16 - Chrome 74561-08

    DRAG SPECIALTIES Regulator FXD '08-'16 - Chrome 74561-08

    DRAG SPECIALTIES

    $186.13
    A reliable voltage regulator is critical to maintaining consistent electrical performance across your bike's entire system—weak regulation leads to battery drain, dim lighting, and potential ignition issues. The DRAG Specialties regulator for '08-'16 FXD...
    21120797
    SKU:
    21120797
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    REGULATOR
    RIDING STYLE:
    STREET
    TYPE:
    SOLID STATE
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    AMPS:
    40 A
    BATTERY VOLTAGE:
    12 V
    $186.13
    Qty in Cart: 0
    Quantity:
    Price:
    $186.13
    Subtotal:
  • DRAG SPECIALTIES Regulator - FXD '08-'17 - Black 74631-08

    DRAG SPECIALTIES Regulator - FXD '08-'17 - Black 74631-08

    DRAG SPECIALTIES

    $183.99
    A failing voltage regulator will leave you stranded—or worse, damage your entire electrical system mid-ride. The DRAG SPECIALTIES Regulator for FXD models ('08-'17) delivers consistent 12V output under demanding conditions, eliminating the erratic...
    21120801
    SKU:
    21120801
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    AMPS:
    40 A
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    Qty in Cart: 0
    Quantity:
    Price:
    $183.99
    Subtotal:
  • DRAG SPECIALTIES Regulator - FX/FLST '07 - Chrome 74610-07

    DRAG SPECIALTIES Regulator - FX/FLST '07 - Chrome 74610-07

    DRAG SPECIALTIES

    $177.57
    A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially during high-demand riding conditions. The DRAG SPECIALTIES regulator for FX/FLST models delivers rock-solid 12V output under all electrical loads,...
    21120804
    SKU:
    21120804
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    AMPS:
    40 A
    BATTERY VOLTAGE:
    12 V
    COLOR/FINISH:
    CHROME
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    $177.57
    Qty in Cart: 0
    Quantity:
    Price:
    $177.57
    Subtotal:
  • DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Chrome 74610-08

    DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Chrome 74610-08

    DRAG SPECIALTIES

    $261.03
    A failing voltage regulator leaves your FX/FLST's electrical system vulnerable to undercharging and premature battery drain, compromising reliability on the road or track. This Drag Specialties regulator delivers rock-solid 12V output under all...
    21120805
    SKU:
    21120805
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    AMPS:
    40 A
    COLOR/FINISH:
    CHROME
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    BATTERY VOLTAGE:
    12 V
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    $261.03
    Qty in Cart: 0
    Quantity:
    Price:
    $261.03
    Subtotal:
  • DRAG SPECIALTIES Regulator XL - '94-'03 - Chrome 74490-00

    DRAG SPECIALTIES Regulator XL - '94-'03 - Chrome 74490-00

    DRAG SPECIALTIES

    $129.42
    A reliable voltage regulator is critical to maintaining consistent electrical system performance across your bike's entire RPM range and load conditions. The DRAG Specialties Regulator XL ensures stable charging output for '94-'03 models, eliminating the...
    21120818
    SKU:
    21120818
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    AMPS:
    40 A
    BATTERY VOLTAGE:
    12 V
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    TYPE:
    SOLID STATE
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    REGULATOR
    RIDING STYLE:
    STREET
    $129.42
    Qty in Cart: 0
    Quantity:
    Price:
    $129.42
    Subtotal:
  • DRAG SPECIALTIES Regulator - 12 Volt - Black 12VBK

    DRAG SPECIALTIES Regulator - 12 Volt - Black 12VBK

    DRAG SPECIALTIES

    $81.27
    A voltage regulator is critical for maintaining stable electrical output across your motorcycle's entire charging system, especially under high-demand conditions like extended night riding or auxiliary accessory loads. The DRAG SPECIALTIES 12-volt...
    21120822
    SKU:
    21120822
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    COLOR/FINISH:
    BLACK
    BATTERY VOLTAGE:
    12 V
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    REGULATOR
    RIDING STYLE:
    STREET
    AMPS:
    10 A
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    $81.27
    Qty in Cart: 0
    Quantity:
    Price:
    $81.27
    Subtotal:
  • DRAG SPECIALTIES Regulator - XL '82-'84 - Black 74504-82BK

    DRAG SPECIALTIES Regulator - XL '82-'84 - Black 74504-82BK

    DRAG SPECIALTIES

    $83.41
    Voltage regulation is critical to reliable electrical performance, especially on high-mileage or heavily modified XL models where charging system demands are unpredictable. This DRAG SPECIALTIES regulator eliminates the wear-prone relay contacts found in...
    21120824
    SKU:
    21120824
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    AMPS:
    13 A
    BATTERY VOLTAGE:
    12 V
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    $83.41
    Qty in Cart: 0
    Quantity:
    Price:
    $83.41
    Subtotal:
  • DRAG SPECIALTIES Regulator - XL '92-'93 - Black 74523-92BK

    DRAG SPECIALTIES Regulator - XL '92-'93 - Black 74523-92BK

    DRAG SPECIALTIES

    $90.90
    A voltage regulator is critical to maintaining consistent electrical performance on your XL Harley—unstable voltage causes charging system failures, dim lights, and unreliable ignition timing. This DRAG Specialties unit eliminates the headaches of worn...
    21120827
    SKU:
    21120827
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    BATTERY VOLTAGE:
    12 V
    AMPS:
    22 A
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    $90.90
    Qty in Cart: 0
    Quantity:
    Price:
    $90.90
    Subtotal:
  • DRAG SPECIALTIES Regulator XL '09-'19 - Black 74711-08

    DRAG SPECIALTIES Regulator XL '09-'19 - Black 74711-08

    DRAG SPECIALTIES

    $137.98
    A failing voltage regulator will compromise your entire electrical system, leaving you stranded or risking catastrophic damage to your battery and components. The DRAG SPECIALTIES Regulator XL delivers rock-solid 12V regulation across all electrical...
    21120831
    SKU:
    21120831
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    PRODUCT NAME:
    REGULATOR
    TYPE:
    SOLID STATE
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    AMPS:
    32 A
    $137.98
    Qty in Cart: 0
    Quantity:
    Price:
    $137.98
    Subtotal:
  • DRAG SPECIALTIES Alternator Rotor - Harley Davidson 16986-BXLB1

    DRAG SPECIALTIES Alternator Rotor - Harley Davidson 16986-BXLB1

    DRAG SPECIALTIES

    $237.49
    A failing alternator rotor compromises your charging system's ability to maintain consistent electrical output, potentially leaving you stranded or causing damage to sensitive electronics. This Drag Specialties rotor restores OEM-level performance with...
    DS195206
    SKU:
    DS195206
    Availability:
    Ships Same Business Day
    Weight:
    4.20 LBS
    BATTERY VOLTAGE:
    12 V
    MATERIAL:
    STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    ROTOR
    TYPE:
    ALTERNATOR
    AMPS:
    32 A
    RIDING STYLE:
    STREET
    $237.49
    Qty in Cart: 0
    Quantity:
    Price:
    $237.49
    Subtotal:
  • DRAG SPECIALTIES Alternator Rotor - Harley Davidson 29956-70A-BXLB1

    DRAG SPECIALTIES Alternator Rotor - Harley Davidson 29956-70A-BXLB1

    DRAG SPECIALTIES

    $237.49
    A failing alternator rotor doesn't just leave you stranded—it compromises your entire electrical system and can damage other components during the rebuild. This DRAG SPECIALTIES rotor restores reliable charging output with the precision engineering...
    DS195208
    SKU:
    DS195208
    Availability:
    Ships Same Business Day
    Weight:
    4.25 LBS
    TYPE:
    ALTERNATOR
    UNITS:
    EACH
    AMPS:
    17.8 A
    BATTERY VOLTAGE:
    12 V
    MATERIAL:
    STEEL
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    ROTOR
    $237.49
    Qty in Cart: 0
    Quantity:
    Price:
    $237.49
    Subtotal:
  • DRAG SPECIALTIES 32A Charging Kit - Chrome Regulator 29985-87HV-BXLB

    DRAG SPECIALTIES 32A Charging Kit - Chrome Regulator 29985-87HV-BXLB

    DRAG SPECIALTIES

    $357.33
    If you're running a carbureted Harley-Davidson from the '89–'99 era, a robust charging system is non-negotiable for reliable starts and consistent electrical performance at the strip or on the street. The Drag Specialties 32A Charging Kit delivers a...
    DS195210
    SKU:
    DS195210
    Availability:
    Ships Same Business Day
    Weight:
    8.21 LBS
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CHARGING KIT
    RIDING STYLE:
    STREET
    AMPS:
    32 A
    BATTERY VOLTAGE:
    12 V
    MODEL:
    HEAVY DUTY
    UNITS:
    KIT
    $357.33
    Qty in Cart: 0
    Quantity:
    Price:
    $357.33
    Subtotal:
  • DRAG SPECIALTIES 2-Wire Stator - '84-'90 XL 29967-84A-BXLB1

    DRAG SPECIALTIES 2-Wire Stator - '84-'90 XL 29967-84A-BXLB1

    DRAG SPECIALTIES

    $97.32
    A reliable stator is the foundation of your XL's electrical system—without it, you're stranded. This Drag Specialties 2-wire unit restores OEM-level output and charging performance, ensuring your bike starts consistently and runs without electrical...
    DS195093
    SKU:
    DS195093
    Availability:
    Ships Same Business Day
    Weight:
    1.94 LBS
    TYPE:
    ALTERNATOR
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    AMPS:
    19 A
    PRODUCT NAME:
    STATOR
    RIDING STYLE:
    STREET
    $97.32
    Qty in Cart: 0
    Quantity:
    Price:
    $97.32
    Subtotal:
  • DRAG SPECIALTIES 4-Wire Stator - '70-'75 FX FL 29965-70-BX-LB1

    DRAG SPECIALTIES 4-Wire Stator - '70-'75 FX FL 29965-70-BX-LB1

    DRAG SPECIALTIES

    $93.04
    A reliable stator is the foundation of your electrical system—without it, you're stranded. The DRAG SPECIALTIES 4-Wire Stator delivers consistent charging performance and dependable spark generation for classic FX and FL models, keeping your bike running...
    DS195096
    SKU:
    DS195096
    Availability:
    Ships Same Business Day
    Weight:
    2.06 LBS
    AMPS:
    15 A
    PRODUCT NAME:
    STATOR
    TYPE:
    ALTERNATOR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    $93.04
    Qty in Cart: 0
    Quantity:
    Price:
    $93.04
    Subtotal:
  • DRAG SPECIALTIES 2-Wire Stator - '76-'80 FX FL 29965-75-BX-LB1

    DRAG SPECIALTIES 2-Wire Stator - '76-'80 FX FL 29965-75-BX-LB1

    DRAG SPECIALTIES

    $88.76
    A reliable stator is the backbone of your electrical system—without it, you're stranded. This 2-wire Drag Specialties stator restores consistent charging output for '76-'80 FX and FL models, ensuring your bike starts dependably every time and maintains...
    DS195097
    SKU:
    DS195097
    Availability:
    Ships Same Business Day
    Weight:
    2.06 LBS
    AMPS:
    18 A
    TYPE:
    ALTERNATOR
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    PRODUCT NAME:
    STATOR
    RIDING STYLE:
    STREET
    $88.76
    Qty in Cart: 0
    Quantity:
    Price:
    $88.76
    Subtotal:
  • DRAG SPECIALTIES 2-Wire Stator - '81-'88 FX FL 29965-81A-BXLB1

    DRAG SPECIALTIES 2-Wire Stator - '81-'88 FX FL 29965-81A-BXLB1

    DRAG SPECIALTIES

    $88.76
    A reliable stator is the foundation of your electrical system—without consistent output, your ignition timing suffers and your bike becomes unreliable. This Drag Specialties 2-wire stator meets or exceeds OEM specifications with precise construction,...
    DS195098
    SKU:
    DS195098
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    TYPE:
    ALTERNATOR
    UNITS:
    EACH
    PRODUCT NAME:
    STATOR
    RIDING STYLE:
    STREET
    BATTERY VOLTAGE:
    12 V
    AMPS:
    22 A
    $88.76
    Qty in Cart: 0
    Quantity:
    Price:
    $88.76
    Subtotal:
  • DRAG SPECIALTIES Coated Stator - Harley Davidson 29965-81ACBXLB1

    DRAG SPECIALTIES Coated Stator - Harley Davidson 29965-81ACBXLB1

    DRAG SPECIALTIES

    $100.53
    A failing stator means unreliable charging and a bike that won't start when you need it most. The DRAG SPECIALTIES Coated Stator is engineered to meet or exceed OEM specifications, delivering consistent electrical output and eliminating the downtime of a...
    DS195035
    SKU:
    DS195035
    Availability:
    Ships Same Business Day
    Weight:
    2.19 LBS
    RIDING STYLE:
    STREET
    AMPS:
    22 A
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    PRODUCT NAME:
    STATOR
    TYPE:
    ALTERNATOR
    BATTERY VOLTAGE:
    12 V
    $100.53
    Qty in Cart: 0
    Quantity:
    Price:
    $100.53
    Subtotal:
  • DRAG SPECIALTIES Coated Stator - Harley Davidson 29965-75C-BXLB1

    DRAG SPECIALTIES Coated Stator - Harley Davidson 29965-75C-BXLB1

    DRAG SPECIALTIES

    $100.53
    A failing stator leaves you stranded and costs you races. This DRAG SPECIALTIES coated stator restores reliable charging output and meets or exceeds OEM specifications, ensuring your electrical system performs consistently under extreme conditions. Built...
    DS195036
    SKU:
    DS195036
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    PRODUCT NAME:
    STATOR
    TYPE:
    ALTERNATOR
    AMPS:
    18 A
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    COLOR/FINISH:
    BLACK
    $100.53
    Qty in Cart: 0
    Quantity:
    Price:
    $100.53
    Subtotal:
  • DRAG SPECIALTIES Alternator Rotor - Harley Davidson 29900058

    DRAG SPECIALTIES Alternator Rotor - Harley Davidson 29900058

    DRAG SPECIALTIES

    $197.90
    Your Harley's charging system depends on a rotor that can reliably deliver consistent output, especially under the demands of extended riding or high-draw accessories. A failing or worn rotor forces your battery to work harder, reducing electrical...
    21121405
    SKU:
    21121405
    Availability:
    Ships Same Business Day
    Weight:
    4.35 LBS
    RIDING STYLE:
    STREET
    AMPS:
    20 A
    PRODUCT NAME:
    ROTOR
    TYPE:
    ALTERNATOR
    UNITS:
    EACH
    BATTERY VOLTAGE:
    12 V
    MATERIAL:
    STEEL
    $197.90
    Qty in Cart: 0
    Quantity:
    Price:
    $197.90
    Subtotal:
  • Total: items /

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First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

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Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

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