NOTE: The images shown are for reference only, the actual product may differ.Therefore please always read the description or read on the corresponding catalog page.
L78-90 XL Sportster (NU) : Primary oil filler cap (1). 91-05 Dyna (NU) : Swingarm bearing (2).
James, o-ring filler cap primary / swingarmMulti-application. OEM replacement reference 11139.