Kirby Generation G3/G4 Genuine Brush Roller Assembly - Part # 156294Genuine Kirby Generation 3,4 (G3, G4) Brush Roller & Bearings. Part No. 156294, 156294S, KB 156294. Suits Kirby Generation 3 & Generation 4 models. May also suit other later models. Brush roller complete with bearings. Four brush sections on either side of the roller. Total length including bearing holders 36. 5cm. Length of brush roll only 34. 5cm. Note there are many different brush roller part numbers used for different models. If the model is not