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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CYCLE ELECTRIC INC 19A Alternator Kit - Harley Davidson CE-19S
CYCLE ELECTRIC INC
$1,294.95If you're running additional electrical accessories on your Harley—auxiliary lighting, heated grips, or a modern infotainment system—your stock alternator likely can't keep up. The Cycle Electric Inc 19A Alternator Kit delivers genuine, made-in-the-USA...21121125- SKU:
- 21121125
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
- PRODUCT NAME:
- CHARGING SYSTEM
- TYPE:
- ALTERNATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- KIT
- ALTERNATOR PHASE TYPE:
- -
- AMPS:
- 19 A
- NUMBER OF TEETH:
- -
- RIDING STYLE:
- STREET
- AMPS:
- 12 A
$1,294.95Qty in Cart: 0Quantity:Price:$1,294.95Subtotal: -
CYCLE ELECTRIC INC Rectifying Regulator - Harley Davidson CE-212
CYCLE ELECTRIC INC
$217.95A stock alternator regulator dumps excess voltage to ground, forcing your stator to work harder and generating unnecessary heat that robs your engine of efficiency. The Cycle Electric CE-212 rectifying regulator actively blocks current instead, reducing...21120979- SKU:
- 21120979
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 22 A
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- AMPS:
- 18 A
- PRODUCT NAME:
- RECTIFIER AND REGULATOR
- RIDING STYLE:
- STREET
$217.95Qty in Cart: 0Quantity:Price:$217.95Subtotal: -
CYCLE ELECTRIC INC 3-Phase Charging Kit - Harley Davidson CE-88T
CYCLE ELECTRIC INC
$705.95Modern Harley Davidson riders demand a charging system that keeps pace with today's high-draw accessories—auxiliary lighting, heated gear, infotainment systems. The Cycle Electric Inc 3-Phase Charging Kit delivers the amperage you need at any RPM,...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
$705.95 -
DRAG SPECIALTIES Regulator - FX/FLST '01-'06 - Black 74540-01BLK
DRAG SPECIALTIES
$158.31A failing regulator leaves your FX/FLST vulnerable to electrical system instability, erratic charging output, and potential mid-ride failures. DRAG Specialties engineered this regulator through two years of dedicated development and rigorous three-stage...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
$158.31 -
DRAG SPECIALTIES Regulator - FX/FLST '01-'06 - Chrome 74540-01CHR
DRAG SPECIALTIES
$159.38A quality regulator is non-negotiable for maintaining stable charging output on your FX/FLST—voltage spikes and inconsistent regulation will drain batteries prematurely and compromise electrical reliability. DRAG Specialties engineered this regulator...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
$159.38 -
DRAG SPECIALTIES Regulator - FX/FLST '07 - Chrome 74540-07CHR
DRAG SPECIALTIES
$166.87A failing regulator compromises charging system reliability and can leave you stranded. This DRAG SPECIALTIES unit delivers the durability and thermal stability that FX/FLST riders demand, backed by rigorous domestic manufacturing and three-stage testing...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
$166.87 -
DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Chrome 74540-08CHR
DRAG SPECIALTIES
$216.09A failing regulator compromises charging system stability and puts your electrical components at risk of costly damage. This DRAG SPECIALTIES unit delivers proven reliability through rigorous domestic manufacturing and superior thermal management—keeping...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
$216.09 -
DRAG SPECIALTIES Regulator - FXS '11-'17 - Chrome 74540-11CHR
DRAG SPECIALTIES
$216.09A voltage regulator failure leaves you stranded—and regulator replacement is non-negotiable for reliable charging system performance. DRAG Specialties engineered this regulator over two years to deliver the thermal management and electrical consistency...21121031- SKU:
- 21121031
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- REGULATOR
- UNITS:
- EACH
- AMPS:
- 60 A
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 45 A
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$216.09 -
DRAG SPECIALTIES Regulator - FXD '04-'05 - Chrome 74561-04CHR
DRAG SPECIALTIES
$181.85A quality voltage regulator is the backbone of any reliable electrical system—especially on high-performance builds where voltage stability directly impacts ignition timing, fuel delivery, and overall engine response. The DRAG Specialties regulator for...21121041- SKU:
- 21121041
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 40 A
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REGULATOR
- UNITS:
- EACH
$181.85 -
DRAG SPECIALTIES Regulator - FXD '06-'07 - Black 74631-06BLK
DRAG SPECIALTIES
$183.99A voltage regulator is critical to maintaining stable electrical output across your charging system—especially on older FXD models where stock units frequently underperform under load. This Drag Specialties regulator delivers superior thermal management...21121042- SKU:
- 21121042
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- AMPS:
- 40 A
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
$183.99Qty in Cart: 0Quantity:Price:$183.99Subtotal: -
DRAG SPECIALTIES Regulator - FL '09-'16 - Chrome 74622-09CHR
DRAG SPECIALTIES
$216.09A voltage regulator is critical to maintaining stable electrical output across your charging system—especially under high-load conditions common in custom and performance builds. The DRAG SPECIALTIES Regulator delivers the thermal management and...21121047- SKU:
- 21121047
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- AMPS:
- 60 A
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- AMPS:
- 45 A
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
$216.09 -
DRAG SPECIALTIES Regulator - FXD '99-'03 - Black 74518-99ABLK
DRAG SPECIALTIES
$145.47A failing regulator on your FXD will leave you stranded—or worse, damage your entire electrical system. Drag Specialties engineered this regulator specifically for '99-'03 Dyna frames with two years of development and rigorous testing to deliver the...21121050- SKU:
- 21121050
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- AMPS:
- 32 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
$145.47Qty in Cart: 0Quantity:Price:$145.47Subtotal: -
DRAG SPECIALTIES Regulator - FX/FLST '00 - Chrome 74512-00CHR
DRAG SPECIALTIES
$149.75A failing regulator cuts your electrical reliability short—and on a vintage FX/FLST, that means inconsistent charging and potential stalling. This DRAG SPECIALTIES unit delivers the durability you need with domestic engineering and rigorous quality...21121053- SKU:
- 21121053
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- AMPS:
- 32 A
- BATTERY VOLTAGE:
- 12 V
$149.75 -
DRAG SPECIALTIES Regulator - BT '76-'80 - Chrome 74512-79ACHR
DRAG SPECIALTIES
$149.75A failing regulator doesn't just drain your battery—it compromises the entire electrical system that keeps your Big Twin running reliably on the strip and the street. This DRAG Specialties regulator delivers the voltage stability your bike demands, with...21121057- SKU:
- 21121057
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- AMPS:
- 17.8 A
- BATTERY VOLTAGE:
- 12 V
- RIDING STYLE:
- STREET
$149.75 -
DRAG SPECIALTIES Regulator - XL '04-'06 - Black 74523-04BLK
DRAG SPECIALTIES
$145.47A quality regulator is fundamental to stable charging system performance, and this DRAG SPECIALTIES unit delivers the reliability your bike demands. Two years of development and domestic manufacturing ensure you're getting a rigorously tested component...21121058- SKU:
- 21121058
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- AMPS:
- 22 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$145.47Qty in Cart: 0Quantity:Price:$145.47Subtotal: -
DRAG SPECIALTIES Regulator - BT '89-'99 - Black 74519-88BLK
DRAG SPECIALTIES
$145.47A voltage regulator is critical to maintaining stable electrical output across your charging system—without it, you risk battery overcharge, component failure, and unreliable ignition. The DRAG Specialties Regulator for Big Twin '89-'99 is engineered for...21121062- SKU:
- 21121062
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- REGULATOR
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 32 A
- COLOR/FINISH:
- BLACK
$145.47Qty in Cart: 0Quantity:Price:$145.47Subtotal: -
DRAG SPECIALTIES Regulator - BT '89-'99 - Chrome 74519-88CHR
DRAG SPECIALTIES
$149.75A failing voltage regulator is one of the most common causes of electrical gremlins on classic Big Twin Harleys—dimming lights, battery drain, and chronic charging issues. This DRAG Specialties unit solves those problems with American manufacturing rigor...21121063- SKU:
- 21121063
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- AMPS:
- 32 A
- PRODUCT NAME:
- REGULATOR
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$149.75 -
DRAG SPECIALTIES Regulator - BT '81-'88 - Black 74516-86BLK
DRAG SPECIALTIES
$145.47A failing regulator will leave you stranded or, worse, fry your electrical system mid-race. This DRAG SPECIALTIES unit delivers the reliable voltage management your Big Twin demands, backed by rigorous domestic engineering and real-world durability...21121070- SKU:
- 21121070
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- AMPS:
- 22 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- REGULATOR
- UNITS:
- EACH
$145.47 -
DRAG SPECIALTIES Regulator - BT '81-'88 - Chrome 74516-86CHR
DRAG SPECIALTIES
$149.75A failing voltage regulator will strand you at the track or roadside—this DRAG SPECIALTIES unit delivers the reliable charging performance your Big Twin demands. Two years of engineering and domestic assembly ensure consistent output under high-demand...21121071- SKU:
- 21121071
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- AMPS:
- 22 A
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REGULATOR
- UNITS:
- EACH
$149.75 -
DRAG SPECIALTIES Regulator - XL '09-'13 - Chrome 74711-08CHR
DRAG SPECIALTIES
$149.75A failing regulator will leave you stranded or chasing electrical gremlins that waste track time and money. This Drag Specialties regulator delivers stable voltage output with proven reliability, thanks to rigorous domestic manufacturing and superior...21121073- SKU:
- 21121073
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- COLOR/FINISH:
- CHROME
- AMPS:
- 32 A
- PRODUCT NAME:
- REGULATOR
- BATTERY VOLTAGE:
- 12 V
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$149.75
