- Direct replacements restore factory spark output across Big Twin, XL, V-Rod, and Softail applications from 1965-2020
- High-energy output ensures crisp throttle response, easy starting, and strong combustion under all conditions
- Black/Chrome housings match stock aesthetics with precise ohm ratings for reliable ignition performance
The TwinPower 0.5 Ohm black ignition coil is a direct-fit replacement designed to restore factory spark output on select Harley-Davidson Sportster applications. Constructed with a durable molded-epoxy design in a late O.E.M.-style molded case, this high-quality coil delivers at least 20% more voltage than stock for dependable ignition performance.
High-energy output supports crisp throttle response, easy starting, strong combustion, and helps prevent high-speed misfires. The black housing is designed to match stock aesthetics, while the precise 0.5 Ohm rating supports reliable ignition operation. Manufacturer part number 210539 replaces H-D part number 31656-07; the vendor part number is 210539.
Fitment includes 2007 Harley-Davidson XL1200C Sportster 1200 Custom, XL1200L Sportster 1200 Low, XL1200N Sportster 1200 Nightster, XL1200R Sportster 1200 Roadster, XL50 50th Anniversary Sportster, XL883 Sportster, and XL883R Sportster 883 Roadster. It also fits 2008 Harley-Davidson XL1200C Sportster 1200 Custom, XL1200L Sportster 1200 Low, and XL1200N Sportster 1200 Nightster. Please verify the listed model and year before ordering.
Features:
- Direct-Fit Replacement: Designed to restore factory spark output on select Harley-Davidson Sportster applications.
- High-Energy Output: Provides at least 20% more voltage than stock for crisp throttle response, easy starting, and strong combustion.
- Durable Construction: Molded-epoxy design in a late O.E.M.-style molded case supports reliable service.
- Ignition Performance: Helps prevent high-speed misfires and supports consistent operation.
- Electrical Rating: 0.5 Ohm coil rating for reliable ignition performance.
- Appearance: Black housing matches stock aesthetics.
- Part Reference: TwinPower part number 210539 replaces H-D part number 31656-07.
Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1
Fitment:
2007 Harley Davidson XL1200C Sportster 1200 Custom Base
2007 Harley Davidson XL1200L Sportster 1200 Low Base
2007 Harley Davidson XL1200N Sportster 1200 Nightster Base
2007 Harley Davidson XL1200R Sportster 1200 Roadster Base
2007 Harley Davidson XL50 50th Anniversary Sportster Base
2007 Harley Davidson XL883 Sportster Base
2007 Harley Davidson XL883C Sportster 883 Custom Base
2007 Harley Davidson XL883L Sportster 883 Low Base
2007 Harley Davidson XL883R Sportster 883 Roadster Base
2008 Harley Davidson XL1200C Sportster 1200 Custom Base
2008 Harley Davidson XL1200L Sportster 1200 Low Base
2008 Harley Davidson XL1200N Sportster 1200 Nightster Base
2008 Harley Davidson XL1200R Sportster 1200 Roadster Base
2008 Harley Davidson XL883 Sportster Base
2008 Harley Davidson XL883C Sportster 883 Custom Base
2008 Harley Davidson XL883L Sportster 883 Low Base
2009 Harley Davidson XL1200C Sportster 1200 Custom Base
2009 Harley Davidson XL1200L Sportster 1200 Low Base
2009 Harley Davidson XL1200N Sportster 1200 Nightster Base
2009 Harley Davidson XL1200R Sportster 1200 Roadster Base
2009 Harley Davidson XL883C Sportster 883 Custom Base
2009 Harley Davidson XL883L Sportster 883 Low Base
2009 Harley Davidson XL883N Iron 883 Base
2009 Harley Davidson XR1200 Base
2010 Harley Davidson XL1200C Sportster 1200 Custom Base
2010 Harley Davidson XL1200L Sportster 1200 Low Base
2010 Harley Davidson XL1200N Sportster 1200 Nightster Base
2010 Harley Davidson XL1200X Forty-Eight Base
2010 Harley Davidson XL883L Sportster 883 Low Base
2010 Harley Davidson XL883N Iron 883 Base
2010 Harley Davidson XR1200 Base
2010 Harley Davidson XR1200X Base
2011 Harley Davidson XL1200C Sportster 1200 Custom Base
2011 Harley Davidson XL1200L Sportster 1200 Low Base
2011 Harley Davidson XL1200N Sportster 1200 Nightster Base
2011 Harley Davidson XL1200X Forty-Eight Base
2011 Harley Davidson XL883N Iron 883 Base
2011 Harley Davidson XR1200X Base
2012 Harley Davidson XL1200C Sportster 1200 Custom Base
2012 Harley Davidson XL1200N Sportster 1200 Nightster Base
2012 Harley Davidson XL1200V Seventy-Two Base
2012 Harley Davidson XL1200X Forty-Eight Base
2012 Harley Davidson XL883L SuperLow Base
2012 Harley Davidson XL883N Iron 883 Base
2012 Harley Davidson XR1200X Base
2013 Harley Davidson XL1200C Sportster 1200 Custom Base
2013 Harley Davidson XL1200V Seventy-Two Base
2013 Harley Davidson XL1200X Forty-Eight Base
2013 Harley Davidson XL883L SuperLow Base
2013 Harley Davidson XL883N Iron 883 Base
2014 Harley Davidson XL1200C Sportster 1200 Custom Base
2014 Harley Davidson XL1200T SuperLow 1200T Base
2014 Harley Davidson XL1200V Seventy-Two Base
2014 Harley Davidson XL1200X Forty-Eight Base
2014 Harley Davidson XL883L SuperLow Base
2014 Harley Davidson XL883N Iron 883 Base
2015 Harley Davidson XG500 Street 500 Base
2015 Harley Davidson XG750 Street 750 Base
2015 Harley Davidson XL1200C Sportster 1200 Custom Base
2015 Harley Davidson XL1200T SuperLow 1200T Base
2015 Harley Davidson XL1200V Seventy-Two Base
2015 Harley Davidson XL1200X Forty-Eight Base
2015 Harley Davidson XL883L SuperLow Base
2015 Harley Davidson XL883N Iron 883 Base
2016 Harley Davidson XG500 Street 500 Base
2016 Harley Davidson XG750 Street 750 Base
2016 Harley Davidson XL1200C Sportster 1200 Custom Base
2016 Harley Davidson XL1200CX Roadster Base
2016 Harley Davidson XL1200T SuperLow 1200T Base
2016 Harley Davidson XL1200V Seventy-Two Base
2016 Harley Davidson XL1200X Forty-Eight Base
2016 Harley Davidson XL883L SuperLow Base
2016 Harley Davidson XL883N Iron 883 Base
2017 Harley Davidson XG500 Street 500 Base
2017 Harley Davidson XG750 Street 750 Base
2017 Harley Davidson XL1200C Sportster 1200 Custom Base
2017 Harley Davidson XL1200CX Roadster Base
2017 Harley Davidson XL1200T SuperLow 1200T Base
2017 Harley Davidson XL1200X Forty-Eight Base
2017 Harley Davidson XL883L SuperLow Base
2017 Harley Davidson XL883N Iron 883 Base
2018 Harley Davidson XG500 Street 500 Base
2018 Harley Davidson XG750 Street 750 Base
2018 Harley Davidson XL1200C Sportster 1200 Custom Base
2018 Harley Davidson XL1200CX Roadster Base
2018 Harley Davidson XL1200X Forty-Eight Base
2018 Harley Davidson XL1200XS Forty-Eight Special Base
2018 Harley Davidson XL883L SuperLow Base
2018 Harley Davidson XL883N Iron 883 Base
2018 Harley-Davidson XL1200T SuperLow 1200T Base
2019 Harley Davidson XG500 Street 500 Base
2019 Harley Davidson XG750 Street 750 Base
2019 Harley Davidson XL1200C Sportster 1200 Custom Base
2019 Harley Davidson XL1200CX Roadster Base
2019 Harley Davidson XL1200X Forty-Eight Base
2019 Harley Davidson XL1200XS Forty-Eight Special Base
2019 Harley Davidson XL883L SuperLow Base
2019 Harley Davidson XL883N Iron 883 Base
2019 Harley-Davidson XL1200T SuperLow 1200T Base
2020 Harley Davidson XG500 Street 500 Base
2020 Harley Davidson XG750 Street 750 Base
2020 Harley Davidson XL1200CX Roadster Base
2020 Harley Davidson XL1200X Forty-Eight Base
2020 Harley Davidson XL883N Iron 883 Base
2020 Harley-Davidson XL1200T SuperLow 1200T Base
2021 Harley Davidson XL1200X Forty-Eight Base
2021 Harley Davidson XL883N Iron 883 Base
2022 Harley-Davidson XL1200X Forty-Eight Base
2022 Harley-Davidson XL883N Iron 883 Base