The Kirby O-Ring KB237D is a genuine OEM exhaust horn gasket designed for all Generation series vacuum cleaners including Diamond Edition, G3, G4, G5, G6, Sentria, Ultimate G and Avalir G10E. This tube-like part installs in the Kirby vacuum exhaust hole where the bag assembly connects.

Made from durable black rubber construction, this seal ring provides flexible yet strong performance to ensure a long-lasting air-tight seal between the vacuum nozzle and housing. Manufactured in the United States to exact OEM specifications for reliable operation.

Compatible with Kirby Generation 3, G4, G5, G6, Ultimate G, Diamond Edition, Sentria I & II, and Avalir models. Cross-references to part numbers 601996S and 601989 for easy identification and replacement.

Swiss Boy Vacuum has served Utah's Wasatch Front since 1963, specializing in vacuum repair and genuine replacement parts. Our family-owned business ensures you receive authentic Kirby components to maintain your vacuum's peak performance and extend its service life.