Fitments
Chain housing fill plug: 79-84 FLT (NU). Horn bumper: 73-85 XL Sportster (NU) .
Part Description
James, fill plug for chain housing & horn bumper
Rubber. Used as filler plug on early FLT models with sealed secondary chain housing where the chain runs in an oil bath. Also used as horn bumper bracket behind the horn of XL Sportster models. OEM replacement reference 11428.