Should apply to all XB series engines… But maybe not, so find out for yourself :-)

ACDelco PF1233 Amsoil SDF10 Beck/Arnley 041-8066 Bosch 3311 Champion C138 Fleetgaurd # HF6158 Fram PH4967 HD 63806-00Y K&N HP-1003 / KN-177 Mighty M4477 Napa 1394 Mobil 1 M1-103 Motorcraft FL836 Penzoil PZ39 Purolator L14476 Repco Generic Oil Filter ROF-35 STP S4967 Valvoline VO40 Wal-Mart Super Tech ST4967 Wix 51394

I’m also maintaining a Google Document with this reference here:

Note; most of the generic filters are slightly larger than the genuine Buell filter and may seem like they wont fit… Don’t worry, they do fit, with plenty of room.