Description Goodyear Air Springs Replaces OEM: 1R14-172. Bellow Type: Rolling Lobe Bellow Number: 566-28-3-042 Bottom Plate: C-Composite Top Plate Dia: 11.3 Top Plate Hole: 2 Bottom Plate Dia: 9.9 Bottom Plate Alignment: Parallel Bottom Plate Hole: 1 Max Height: 22.5 Min Height: 5.9 Top Plate C to C Dia: 5.5 Bottom Plate C to C Dia: N/A Bottom Plate Part Number: 566-20-7-152 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.