aluminum alloy construction: This engine assembly for the EBZ8500 and EBZ7500 models is built from grade aluminum alloy for exceptional strength and toughness while remaining lightweight. The 577424401 replacement part resists wear and breakage, making it a solid choice for professional landscapers and similar users. Compatible with RedMax backpack blowers: Specifically designed for RedMax EBZ8500 and EBZ7500 backpack blowers, this 577424401 engine assembly delivers reliable performance. Before , check your blower model to confirm this part will fit your equipment for functionality. Precisionengineered performance: Each EBZ8500 engine assembly is thoroughly inspected and manufactured to strict standards. This attention to detail in the 577424401 replacement part translates to consistent, powerful operation in a variety of outdoor conditions. Straightforward installation: Designed for a quick to yard work, this EBZ7500 engine assembly features a userfriendly design for hassle replacement. The intuitive configuration allows efficient setup without requiring tools or extensive technical knowledge.