Description Goodyear Air Springs Replaces OEM: 1R13-159. Bellow Type: Rolling Lobe Bellow Number: 566-26-3-050 Bottom Plate: C-Composite Top Plate Dia: 10.3 Top Plate Hole: 2 Bottom Plate Dia: 8.8 Bottom Plate Alignment: Parallel Bottom Plate Hole: 1 Max Height: 18 Min Height: 6.1 Top Plate C to C Dia: 5.5 Bottom Plate C to C Dia: N/A Bottom Plate Part Number: 566-20-7-154 Bumper: Yes Bracket: N/A Goodyear® Air Springs is a leader in the air spring market, with a strong global reputation, and offers best-in-class performance, quality, and dependability.