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
-
DRAG SPECIALTIES Regulator - Big Twin '89-'99 - Chrome 74519-88
DRAG SPECIALTIES
$100.53A failing voltage regulator compromises your entire electrical system, leaving you stranded with dead batteries and unreliable charging. This DRAG SPECIALTIES regulator delivers rock-solid 12V output across all electrical loads, ensuring your Big Twin...21120779- SKU:
- 21120779
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- CHROME
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- AMPS:
- 32 A
$100.53 -
DRAG SPECIALTIES Regulator - XL '09-'18 - Chrome 74711-08C
DRAG SPECIALTIES
$149.75A reliable voltage regulator is critical for maintaining stable charging output across your entire electrical system—especially under the demands of high-performance riding or extended use. The DRAG Specialties Regulator for XL models eliminates the wear...21120821- SKU:
- 21120821
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- AMPS:
- 32 A
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- CHROME
$149.75 -
DRAG SPECIALTIES Regulator - FLT '09-'16 - Black 74505-09
DRAG SPECIALTIES
$269.59A failing voltage regulator leaves your electrical system vulnerable to inconsistent charging and potential component damage. This Drag Specialties regulator delivers rock-solid 12V output across all engine loads, eliminating the voltage fluctuations...21120793- SKU:
- 21120793
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- AMPS:
- 45 A
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- AMPS:
- 60 A
- COLOR/FINISH:
- BLACK
$269.59 -
DRAG SPECIALTIES Regulator - FL '09-'16 - Chrome 74622-09
DRAG SPECIALTIES
$282.43A reliable voltage regulator is critical for maintaining consistent electrical performance, especially on older Harley-Davidson models prone to charging system fluctuations. This DRAG Specialties unit eliminates the voltage instability that can damage...21120788- SKU:
- 21120788
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- AMPS:
- 60 A
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 45 A
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
$282.43 -
DRAG SPECIALTIES Regulator -FL '02-'03 - Black 74505-02
DRAG SPECIALTIES
$269.59A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially critical on vintage Harley platforms where electrical reliability directly impacts ride quality and safety. The DRAG Specialties regulator delivers...21120790- SKU:
- 21120790
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 38 A
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$269.59 -
DRAG SPECIALTIES Stator - F/'89-'99 BT OE#29970-88 29970-88-BX-LB1
DRAG SPECIALTIES
$93.04A failing stator means unreliable charging, dead batteries on the road, and potential engine shutdown during critical moments. This OEM-specification Drag Specialties stator restores full electrical output to your '89-'99 Big Twin, ensuring consistent...DS195092- SKU:
- DS195092
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- AMPS:
- 32 A
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- STATOR
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
$93.04 -
DRAG SPECIALTIES Regulator Cover -Harley Davidson - Chrome 19-0390
DRAG SPECIALTIES
$44.89A regulator cover is essential protection for your charging system's most vulnerable component—shielding it from road debris, moisture, and heat cycles that degrade performance over time. This Drag Specialties cover maintains OEM aesthetics while adding...78050013- SKU:
- 78050013
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- STREET
- TYPE:
- REGULATOR
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$44.89 -
DRAG SPECIALTIES Regulator Cover -Harley Davidson - Chrome 19-0388
DRAG SPECIALTIES
$51.31A regulator cover does more than enhance your motorcycle's aesthetic—it protects a critical electrical component from moisture, debris, and road contamination that can compromise charging system reliability. For Harley-Davidson riders who demand both...78050076- SKU:
- 78050076
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- REGULATOR
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- MATERIAL:
- STEEL
$51.31Qty in Cart: 0Quantity:Price:$51.31Subtotal: -
DRAG SPECIALTIES Alternator - Rotor - 38A 29981-95
DRAG SPECIALTIES
$169.01A reliable alternator rotor is critical to maintaining consistent electrical output under high-demand riding conditions—whether you're running extended highway miles or pushing your bike at the track. This direct OEM replacement ensures you get...21120093- SKU:
- 21120093
- Availability:
- Ships Same Business Day
- Weight:
- 4.81 LBS
- AMPS:
- 38 A
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- STEEL
- PRODUCT NAME:
- ROTOR
- RIDING STYLE:
- STREET
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
$169.01 -
DRAG SPECIALTIES Voltage Regulator FL/FLH MC-DRAG009
DRAG SPECIALTIES
$137.98A failing voltage regulator can leave you stranded or worse—damage your entire electrical system mid-race. This DRAG Specialties unit delivers stable charging output and rock-solid reliability, keeping your bike running strong through extended riding...DS325496- SKU:
- DS325496
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- BATTERY VOLTAGE:
- 12 V
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
$137.98 -
DRAG SPECIALTIES Stator - '08-'17 R30017-08
DRAG SPECIALTIES
$177.57A failing stator doesn't just leave you stranded—it compromises your entire electrical system and can damage downstream components. The DRAG SPECIALTIES Stator delivers OEM-equivalent reliability with precision construction, ensuring consistent charging...21121515- SKU:
- 21121515
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
- PRODUCT NAME:
- STATOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$177.57 -
DRAG SPECIALTIES Alternator Rotor - Harley Davidson R32413-92A
DRAG SPECIALTIES
$314.53A failing alternator rotor compromises your charging system and leaves you stranded, so reliability is non-negotiable on the road or the strip. This Drag Specialties rotor restores OEM output with encapsulated magnets built to withstand the heat and...21120454- SKU:
- 21120454
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- AMPS:
- 20 A
- UNITS:
- EACH
- BATTERY VOLTAGE:
- 12 V
- MATERIAL:
- STEEL
- PRODUCT NAME:
- ROTOR
- TYPE:
- ALTERNATOR
- RIDING STYLE:
- STREET
$314.53 -
DRAG SPECIALTIES Stator - '99-'01 FLT OE#29987-99 R29987-99
DRAG SPECIALTIES
$173.29A failing stator doesn't just leave you stranded—it compromises your entire electrical system's ability to charge the battery and power essential ignition components. This OEM-specification stator for '99-'01 FLT models restores reliable charging output...21120455- SKU:
- 21120455
- Availability:
- Ships Same Business Day
- Weight:
- 3.58 LBS
- PRODUCT NAME:
- STATOR
- TYPE:
- ALTERNATOR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 38 A
$173.29 -
DRAG SPECIALTIES Regulator - Big Twin '76-'80 - Black 74512-79BK
DRAG SPECIALTIES
$84.48A failing voltage regulator is the silent killer of Big Twin electrical systems—it leaves you stranded with a dead battery or worse, a fried charging system. The DRAG SPECIALTIES Regulator delivers rock-solid voltage stability across all electrical...21120781- SKU:
- 21120781
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
- AMPS:
- 17.8 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$84.48 -
DRAG SPECIALTIES Regulator - Big Twin '89-'99 - Black 74519-88BK
DRAG SPECIALTIES
$84.48A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially on long rides or during competition. The DRAG SPECIALTIES Regulator for Big Twin '89-'99 delivers rock-solid 12V regulation under all electrical...21120783- SKU:
- 21120783
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- AMPS:
- 32 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- BATTERY VOLTAGE:
- 12 V
$84.48 -
DRAG SPECIALTIES Regulator - FL '06-'08 - Chrome 74622-06
DRAG SPECIALTIES
$282.43A failing voltage regulator will leave you stranded or cause costly electrical damage to your bike's charging system. This Drag Specialties unit delivers rock-solid voltage stability across the entire RPM range, eliminating the guesswork of aftermarket...21120787- SKU:
- 21120787
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- AMPS:
- 60 A
- BATTERY VOLTAGE:
- 12 V
- AMPS:
- 45 A
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
$282.43 -
DRAG SPECIALTIES Regulator - FXD '99-'03 - Black 74518-99A
DRAG SPECIALTIES
$99.46A failing voltage regulator is a common culprit behind electrical gremlins on older Harley-Davidson FXD models—dimming lights, battery drain, and unreliable charging at idle. This Drag Specialties regulator eliminates those problems with solid-state...21120798- SKU:
- 21120798
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- AMPS:
- 32 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- UNITS:
- EACH
$99.46 -
DRAG SPECIALTIES Regulator - FX/FLST '00 - Black 74512-00
DRAG SPECIALTIES
$98.39A failing voltage regulator can leave you stranded—unstable charging ruins batteries, dims lights, and creates electrical gremlins that are nearly impossible to diagnose. The DRAG Specialties regulator for FX/FLST models ('00+) delivers rock-solid...21120807- SKU:
- 21120807
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- AMPS:
- 32 A
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- BATTERY VOLTAGE:
- 12 V
- TYPE:
- SOLID STATE
- UNITS:
- EACH
$98.39 -
DRAG SPECIALTIES Regulator - FX/FLST '08-'10 - Black 74540-08
DRAG SPECIALTIES
$256.75A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially on the road or at the track. This DRAG Specialties regulator delivers rock-solid 12V output under demanding electrical loads, so your FX/FLST stays...21120810- SKU:
- 21120810
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REGULATOR
- RIDING STYLE:
- STREET
- TYPE:
- SOLID STATE
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- AMPS:
- 40 A
- BATTERY VOLTAGE:
- 12 V
$256.75 -
DRAG SPECIALTIES Regulator - XL '94-'03 - Black 74523-94BK
DRAG SPECIALTIES
$118.72A failing voltage regulator will drain your battery, dim your lights, and leave you stranded—especially on the track or trail. The DRAG Specialties Regulator maintains stable 12V output across all electrical loads, eliminating the voltage fluctuations...21120828- SKU:
- 21120828
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BATTERY VOLTAGE:
- 12 V
- PRODUCT NAME:
- REGULATOR
- TYPE:
- SOLID STATE
- AMPS:
- 22 A
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$118.72
