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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DRAG SPECIALTIES Alternator Rotor - Harley Davidson R4035606
DRAG SPECIALTIES
$338.99A failing alternator rotor compromises your entire electrical system—leaving you stranded or risking catastrophic damage to your engine management and ignition systems. This OEM-specification rotor restores reliable charging output and voltage regulation...21120332- SKU:
- 21120332
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- STEEL
- AMPS:
- 38 A
- PRODUCT NAME:
- ROTOR
$338.99 -
DRAG SPECIALTIES Regulator - Big Twin '81-'88 - Chrome 74516-86
DRAG SPECIALTIES
$95.63A failing voltage regulator is one of the quickest ways to strand yourself with a dead battery or fried electronics, especially on high-output Big Twin engines running auxiliary equipment. This DRAG SPECIALTIES regulator delivers rock-solid 12V...21120778- SKU:
- 21120778
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 22 A
$95.63 -
DRAG SPECIALTIES Regulator - Big Twin '81-'88 - Black 74516-86BK
DRAG SPECIALTIES
$88.35A failing voltage regulator is a silent killer of electrical systems—it'll fry your battery, drain your charging output, and leave you stranded. The DRAG SPECIALTIES Regulator for Big Twin engines delivers rock-solid voltage stability under any load,...21120782- SKU:
- 21120782
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- AMPS:
- 22 A
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
$88.35 -
DRAG SPECIALTIES Regulator - FL '99-'01 - Chrome 74505-97C
DRAG SPECIALTIES
$239.15A failing voltage regulator is one of the most common causes of electrical gremlins in vintage Harley-Davidsons, draining batteries and leaving you stranded. This chrome-finished regulator from Drag Specialties delivers rock-solid 12V output under all...21120784- SKU:
- 21120784
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- AMPS:
- 38 A
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
$239.15 -
DRAG SPECIALTIES Regulator -FL '06-'08 - Black 74505-06
DRAG SPECIALTIES
$262.03A failing voltage regulator will leave you stranded with a dead battery or fried electrical components—neither option acceptable for serious riders. This DRAG SPECIALTIES regulator maintains precise voltage output across the entire RPM range, eliminating...21120792- SKU:
- 21120792
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- AMPS:
- 60 A
- BATTERY VOLTAGE:
- 12 V
$262.03 -
DRAG SPECIALTIES Regulator - FXD '99-'03 - Chrome 74561-99A
DRAG SPECIALTIES
$106.03A failing voltage regulator forces your electrical system to work harder, draining your battery and dimming your lights—and on the road, that's a distraction you can't afford. The DRAG SPECIALTIES regulator for FXD models ('99-'03) delivers rock-solid...21120794- SKU:
- 21120794
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- AMPS:
- 32 A
- BATTERY VOLTAGE:
- 12 V
$106.03 -
DRAG SPECIALTIES Regulator - FXD '06-'07 - Black 74631-06
DRAG SPECIALTIES
$178.83A failing voltage regulator will drain your battery, kill your electrical components, and leave you stranded—especially during a race or ride. This Drag Specialties regulator for FXD '06-'07 models maintains rock-solid voltage output under all electrical...21120800- SKU:
- 21120800
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- AMPS:
- 40 A
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
$178.83 -
DRAG SPECIALTIES Regulator - FX/FLST '01-'06 - Chrome 74610-01
DRAG SPECIALTIES
$130.99Your FX/FLST's electrical system demands precision voltage regulation to keep ignition, charging, and auxiliary systems operating reliably under all riding conditions. The DRAG SPECIALTIES Regulator eliminates voltage fluctuations that can damage...21120803- SKU:
- 21120803
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- AMPS:
- 38 A
- TYPE:
- SOLID STATE
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
$130.99 -
DRAG SPECIALTIES Regulator- FXS/FLST '11-'15 - Chrome 74567-11
DRAG SPECIALTIES
$253.71A failing voltage regulator leaves your electrical system vulnerable to undercharging and component damage—especially critical on vintage Harley platforms where reliable charging is non-negotiable. This Drag Specialties unit eliminates the wear and drift...21120806- SKU:
- 21120806
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- AMPS:
- 60 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- AMPS:
- 45 A
- TYPE:
- SOLID STATE
- UNITS:
- EACH
$253.71 -
DRAG SPECIALTIES Regulator - FX/FLST - '07 - Black 74540-07
DRAG SPECIALTIES
$164.27A failing voltage regulator leaves your FX/FLST electrical system vulnerable to charging inconsistencies that can damage components and leave you stranded. The DRAG SPECIALTIES Regulator delivers stable 12V output across all electrical loads, eliminating...21120809- SKU:
- 21120809
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- AMPS:
- 40 A
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$164.27 -
DRAG SPECIALTIES Regulator - XL '78-'81 - Black 74504-78BK
DRAG SPECIALTIES
$81.07A reliable voltage regulator is critical to maintaining consistent electrical performance across all engine loads—especially in high-demand racing and performance applications. The DRAG SPECIALTIES XL regulator delivers precision voltage control without...21120823- SKU:
- 21120823
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- AMPS:
- 10 A
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
$81.07 -
DRAG SPECIALTIES Regulator - XL '84-'90 - Black 74523-84BK
DRAG SPECIALTIES
$82.11A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially during critical race situations or long rides. The DRAG SPECIALTIES XL Regulator delivers rock-solid 12V output under all electrical loads,...21120825- SKU:
- 21120825
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- AMPS:
- 19 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
$82.11 -
DRAG SPECIALTIES Regulator - XL '91 - Black 74523-91BK
DRAG SPECIALTIES
$82.11A failing voltage regulator leaves your electrical system vulnerable to inconsistent charging, risking premature battery drain and component failure on the road or at the track. This Drag Specialties regulator delivers rock-solid 12V output across the...21120826- SKU:
- 21120826
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- SOLID STATE
- AMPS:
- 22 A
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
$82.11 -
DRAG SPECIALTIES Regulator V-Rod '02-'07 - Black 74494-02BK
DRAG SPECIALTIES
$271.39A failing voltage regulator compromises your entire electrical system, leading to dead batteries, dim lighting, and unpredictable charging issues—especially problematic on vintage V-Rods where reliability matters. The DRAG Specialties regulator for...21120833- SKU:
- 21120833
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- AMPS:
- 38 A
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$271.39 -
DRAG SPECIALTIES Regulator Mount for Rubber-Mounted Motors - Harley Davidson 71322
DRAG SPECIALTIES
$26.99If you're running a rubber-mounted Harley motor, voltage regulation stability depends on a secure, vibration-resistant mount. This chrome regulator mount from Drag Specialties eliminates sloppy fitment and electrical gremlins caused by engine movement,...DS330006- SKU:
- DS330006
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MOUNT
- TYPE:
- REGULATOR
- MATERIAL:
- STEEL
- UNITS:
- EACH
$26.99Qty in Cart: 0Quantity:Price:$26.99Subtotal: -
CYCLE ELECTRIC INC Alternator Stator - Harley Davidson CE-8188A
CYCLE ELECTRIC INC
$132.95A failing alternator stator doesn't just dim your lights—it leaves you stranded. The Cycle Electric Inc CE-8188A restores reliable charging output and voltage regulation to your Harley, delivering the electrical stability modern ignition systems demand...21120155- SKU:
- 21120155
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- AMPS:
- 22 A
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
$132.95 -
CYCLE ELECTRIC INC Alternator Stator - Harley Davidson CE-9902A
CYCLE ELECTRIC INC
$157.95A failing stator leaves you stranded—or worse, unable to charge your battery at idle. The Cycle Electric Inc Alternator Stator delivers consistent, reliable output to keep your electrical system stable across the entire RPM range. As a direct OEM...21120157- SKU:
- 21120157
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- AMPS:
- 29 A
- BATTERY VOLTAGE:
- 12 V
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- STATOR
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
$157.95 -
CYCLE ELECTRIC INC Alternator Stator - Harley Davidson CE-3845-02A
CYCLE ELECTRIC INC
$184.95A failing stator drains your electrical system and leaves you stranded—this CYCLE ELECTRIC INC replacement restores reliable charging output so your Harley runs without compromise. Built to OEM specifications, this stator delivers the consistent amperage...21120160- SKU:
- 21120160
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- AMPS:
- 45 A
- UNITS:
- EACH
- TYPE:
- ALTERNATOR
- BATTERY VOLTAGE:
- 12 V
$184.95 -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-445-02
CYCLE ELECTRIC INC
$331.95Stock Harley-Davidson and Buell alternators waste energy through inefficient voltage regulation, forcing your stator to work harder and generating excess heat that robs horsepower. The Cycle Electric CE-445-02 rectifying regulator actively controls...21120144- SKU:
- 21120144
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- AMPS:
- 48 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- AMPS:
- 38 A
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- RIDING STYLE:
- STREET
$331.95 -
CYCLE ELECTRIC INC Replacement - Regulator CE-604
CYCLE ELECTRIC INC
$289.95A failing voltage regulator can leave you stranded with a dead battery or fried electrical components—especially during high-demand track sessions or long-distance runs. The Cycle Electric Inc CE-604 Replacement Regulator delivers reliable charging...21120145- SKU:
- 21120145
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- AMPS:
- 38 A
- RIDING STYLE:
- STREET
$289.95
