K&N, spin-on oil filter with top nut. Black

Disc Glide 1984–1986 Electra Glide 1975–1988 Electra Glide Belt Drive 1984 Electra Glide Classic 1979–1991 Electra Glide Sport 1980–1991 Electra Glide Standard 1982–1990 Electra Glide Ultra Classic 1991 Fat Boy 1990 Forty-Eight 2010–2017 Heritage Softail 1986–1990 Heritage Softail Classic 1988–1990 Iron 2009–2017 Low 2005–2011 Low Glide 1984–1985 Low Glide Custom 1985–1987 Low Rider 1984–1991 Low Rider Convertible 1987–1991 Low Rider Custom 1987–1991 Low Rider Sport Edition (Fxrsl) 1986–1991 Nightster 2007–2012 Roadster 1984–2015 Softail 1985–1990 Softail Custom 1986–1990 Softail EVO 1985 Softail Springer 1988–1990 Sport 1996–2003 Sport Glide 1983–1991 Sport Glide Police 1984–1989 Sportster 1984–2009 Sportster 53 Custom 1999–2003 Sportster Custom 1996–2016 Sportster Custom LE A 2014–2016 Sportster Custom LE B 2014–2017 Sportster Deluxe 1988–1995 Sportster Forty-Eight 2018–2022 Sportster Forty-Eight Anniversary (ANX) 2018 Sportster Forty-Eight Special 2018–2020 Sportster Hugger 1988–2003 Sportster Iron 2018–2022 Sportster SuperLow 2018–2020 Super Glide 1982–1991 Super Glide II 1982–1984 Super Low 2011–2017 Tour Glide 1979–1984 Tour Glide Classic 1980–1991 Tour Glide Ultra Classic 1989–1991 XR 1200 2008–2010 XR 1200 X 2011–2013