O-Ring by James Gaskets; for Oil filter wing nut BT 1966-1982, XL 1966-1978, Tappet Screen Plug BT late 1970-1984, Check Valve Plug BT late 1978-1998(9), Drain Plugs Dyna 1992→ and Touring 1993→, Drain Plug Transmission and oil tank Softail 2000→, Drain Plug primary housing Dyna 2006→, Softail and Touring 2007→, Drain Plug primary housing and transmission Sportster/Buell 1977→, under fork damper: XL and FX 1971-1972; rubber; ID x OD: 10.8 x 14.4 mm, 1.8 mm thick; replaces OEM HD 11105; gross weight: 1 g