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  • HARLEY-DAVIDSON Harley-davidson 1 Amp Dual-mode Battery Charger

    Harley-davidson 1 Amp Dual-mode Battery Charger

    $103.68

    Harley-davidson 1 Amp Dual-mode Battery Charger

    $103.68
  • HARLEY-DAVIDSON SPARK PLUG

    Harley-Davidson SPARK PLUG

    $10.82

    Harley-Davidson SPARK PLUG

    $10.82
  • SCREAMIN' EAGLE SCREAMIN EAGLE ST PERFORMANCE SPARK PLUGS

    Screamin' Eagle SCREAMIN EAGLE ST PERFORMANCE SPARK PLUGS

    $54.52

    Screamin' Eagle SCREAMIN EAGLE ST PERFORMANCE SPARK PLUGS

    $54.52
  • HARLEY-DAVIDSON BATTERY CHARGING HARNESS WITH FUSE

    Harley-Davidson BATTERY CHARGING HARNESS WITH FUSE

    $21.75

    Harley-Davidson BATTERY CHARGING HARNESS WITH FUSE

    $21.75
  • HARLEY-DAVIDSON LED INDICATOR BATTERY CHARGING HARNESS

    Harley-Davidson LED INDICATOR BATTERY CHARGING HARNESS

    $39.95

    Harley-Davidson LED INDICATOR BATTERY CHARGING HARNESS

    $39.95
  • Harley-Davidson RELAY

    Harley-Davidson RELAY

    $15.17

    Harley-Davidson RELAY

    $15.17
  • ROLLIES SPEED SHOP JACKSHAFT REPAIR KIT BT89-93 9T

    Starter JackShaft Repair Kit. Fits Big Twin Models 1989-1993 - Rollies Speed Shop

    $19.00

    Starter JackShaft Repair Kit. Fits Big Twin Models 1989-1993 - Rollies Speed Shop

    $19.00
  • TAYLOR SPARK PLUG LEADS IGN LEADS UNI EVO 24 45D PLUG

    8mm 24in. Universal Spark Plug Wire Set - Black. Fits Evolution Style Engines. - Taylor Cable Products

    $54.00

    8mm 24in. Universal Spark Plug Wire Set - Black. Fits Evolution Style Engines. - Taylor Cable Products

    $54.00
  • HARLEY-DAVIDSON LOUD SIDE-MOUNT HORN KIT

    Harley-Davidson LOUD SIDE-MOUNT HORN KIT

    $118.24

    Harley-Davidson LOUD SIDE-MOUNT HORN KIT

    $118.24
  • SCREAMIN' EAGLE SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    Screamin' Eagle SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    $72.72

    Screamin' Eagle SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    $72.72
  • SCREAMIN' EAGLE SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    Screamin' Eagle SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    $72.72

    Screamin' Eagle SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES

    $72.72
  • HARLEY-DAVIDSON CHROME SWITCH CAP KIT

    Harley-Davidson CHROME SWITCH CAP KIT

    $72.72

    Harley-Davidson CHROME SWITCH CAP KIT

    $72.72
  • STANDARD MOTOCYCLE PRODUCTS IGN LEADS XL1200S98-03 DUAL PLUG

    Spark Plug Wire Set - Black. Fits Sportster 1200S 1998-2003. - Standard Motorcycle Products

    $103.00

    Spark Plug Wire Set - Black. Fits Sportster 1200S 1998-2003. - Standard Motorcycle Products

    $103.00
  • STANDARD MOTOCYCLE PRODUCTS SYSTEM RELAY VARIOUS MODELS 00UP

    System Relay. H-D 2000up. - Standard Motorcycle Products

    $24.00

    System Relay. H-D 2000up. - Standard Motorcycle Products

    $24.00
  • STANDARD MOTOCYCLE PRODUCTS STARTER RELAY BT00UP

    Starter Relay. Fits Big Twin 2000up. - Standard Motorcycle Products

    $19.00

    Starter Relay. Fits Big Twin 2000up. - Standard Motorcycle Products

    $19.00
  • STANDARD MOTOCYCLE PRODUCTS STARTER RELAY FLH04UP & XL10-14

    Starter Relay. Fits Touring 2004up & Sportster 2010-2014 - Standard Motorcycle Products

    $16.00

    Starter Relay. Fits Touring 2004up & Sportster 2010-2014 - Standard Motorcycle Products

    $16.00
  • ROLLIES SPEED SHOP E/START SWITCH BT89-06 &

    Electric Start Switch - Chrome. Fits Big Twin 1989-2006 & Sportster 1991-2021 with 1200cc Engine. - Rollies Speed Shop

    $47.00

    Electric Start Switch - Chrome. Fits Big Twin 1989-2006 & Sportster 1991-2021 with 1200cc Engine. - Rollies Speed Shop

    $47.00
  • HARLEY-DAVIDSON GENUINE BRAKE LIGHT SWITCH

    Harley-Davidson GENUINE BRAKE LIGHT SWITCH

    $64.81

    Harley-Davidson GENUINE BRAKE LIGHT SWITCH

    $64.81
  • HARLEY-DAVIDSON CHROME SWITCH HOUSING KIT

    Harley-Davidson CHROME SWITCH HOUSING KIT

    $198.34

    Harley-Davidson CHROME SWITCH HOUSING KIT

    $198.34
  • ALL BALLS RACING STARTER BT89-06 1.4KW

    1.4kw Starter Motor - Black. Fits Big Twin 1989-2006 - All Balls Racing

    $515.00

    1.4kw Starter Motor - Black. Fits Big Twin 1989-2006 - All Balls Racing

    $515.00
  • Harley-Davidson SENSOR CRANK POSITION W/ 11289A & 74194-98

    Harley-Davidson SENSOR CRANK POSITION W/ 11289A & 74194-98

    $130.22

    Harley-Davidson SENSOR CRANK POSITION W/ 11289A & 74194-98

    $130.22
  • Harley-Davidson OEM SPARK PLUG CABLE FRONT CYLINDER - 31981-99C

    Harley-Davidson OEM SPARK PLUG CABLE FRONT CYLINDER - 31981-99C

    $10.99

    Harley-Davidson OEM SPARK PLUG CABLE FRONT CYLINDER - 31981-99C

    $10.99
  • Harley-Davidson OEM SPARK PLUG CABLE REAR CYLINDER - 31983-00C

    Harley-Davidson OEM SPARK PLUG CABLE REAR CYLINDER - 31983-00C

    $19.88

    Harley-Davidson OEM SPARK PLUG CABLE REAR CYLINDER - 31983-00C

    $19.88
  • Harley-Davidson H-D AGM Original Equipment Battery
    Sold out

    Harley-Davidson H-D AGM Original Equipment Battery

    $164.00

    Harley-Davidson H-D AGM Original Equipment Battery

    $164.00
  • STANDARD MOTOCYCLE PRODUCTS IGN LEADS FLH17UP M8 BLK

    Spark Plug Wire Set - Black. Fits Touring 2017up. - Standard Motorcycle Products

    $104.00

    Spark Plug Wire Set - Black. Fits Touring 2017up. - Standard Motorcycle Products

    $104.00
  • ROLLIES SPEED SHOP SOLENOID INNER BOOT BT65-88 &

    Solenoid Inner Boot. Fits Big Twin 1965-1988 & Sportster 1967-Early 1981. - Rollies Speed Shop

    $12.00

    Solenoid Inner Boot. Fits Big Twin 1965-1988 & Sportster 1967-Early 1981. - Rollies Speed Shop

    $12.00
  • WIRE PLUS IGN LEADS FLH09-16 BLK

    8mm Spark Plug Wire Set - Black. Fits Touring 2009-2016. - Walker Products

    $24.00

    8mm Spark Plug Wire Set - Black. Fits Touring 2009-2016. - Walker Products

    $24.00
  • WIRE PLUS COIL XL07-21 & XG500750A15-20

    Ignition Coil - Black. Fits Sportster 2007-2021 & Street 2015-2020. - Walker Products

    $132.00

    Ignition Coil - Black. Fits Sportster 2007-2021 & Street 2015-2020. - Walker Products

    $132.00
  • WIRE PLUS COIL BTXL65UP W/POINTS IGN BLK

    Ignition Coil - Black. Fits Big Twin & Sportster 1965-1998 with Points. - Walker Products

    $117.00

    Ignition Coil - Black. Fits Big Twin & Sportster 1965-1998 with Points. - Walker Products

    $117.00
  • WIRE PLUS IGN LEADS FLH17UP M8 BLK

    8mm Spark Plug Wire Set - Black. Fits Touring 2017up. - Walker Products

    $106.00

    8mm Spark Plug Wire Set - Black. Fits Touring 2017up. - Walker Products

    $106.00
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Motorcycle Batteries and Electrical Parts

Electrical parts keep a bike starting cleanly, charging properly and running the way it should. From batteries and chargers through to relays, stators, spark plug leads, switches and wiring harnesses, this side of the bike is all about reliability, clean power delivery and fewer headaches when it is time to ride.

Batteries and Charging

A strong battery makes all the difference, especially on bikes with added accessories or regular stop-start use. Harley-Davidson covers chargers, charging harnesses and original equipment batteries, while replacement options and charging components help keep the system healthy instead of chasing faults after the fact.

Starting, Ignition and Wiring

When a bike is slow to crank or hard to fire, the issue often comes back to the electrical system. All Balls Racing is a strong name here for starter motors, solenoids and battery cable kits, while Screamin’ Eagle adds spark plug wires and performance-focused ignition parts for riders tightening up response and consistency.

Fitment Matters

Electrical parts are never a one-size-fits-all job. Model fitment, year range and the rest of the setup all matter, whether you are replacing a worn battery, sorting charging issues or refreshing older wiring and ignition components. Riders working deeper into the bike can also pair electrical work with service and maintenance parts or related motorcycle lighting components while everything is apart.