PAG Reinforced 11 Blade Cooling Fan OE Z530-38-65-8T11 8 Holes for 4D31 Diesel Kato HD450-7 Excavator Heat-Resistant Parts Describe: This PAG (Polyamide Glass-fiber) reinforced 11-blade engine cooling fan (OE Z530-38-65-8T11) is built for sustained heavy-duty excavator operations in extreme temperature environments. Manufactured from industrial-grade glass-fiber reinforced composite nylon, it withstands continuous engine bay temperatures exceeding 180°C without structural