Based on the barcode label, this packet contains Pedders part number 5899, which is a heavy-duty replacement rubber rear bump stop.

According to Pedders Suspension fitment details, this specific part natively fits:
• Toyota Land Cruiser (1992-1997) 80 Series 4.5L
EFI 4WD (FZJ80)
• Fiat Ducato (2006-2016) commercial van variants (such as the 120 Multijet 2.3D and 160 Multijet
3.OD)