Hustler 784504 - Idler pulley (5 inch) for mower deck belt routing/tensioning. Also referred to as a deck idler pulley or belt idler pulley.
Used on Hustler FasTrak models with 44 inch, 48 inch, 52 inch, 54 inch, and 60 inch decks. Commonly shown in parts diagrams under Deck Belt, Pulley Covers, Pulleys, Spindles & Blades and Deck Pulleys & Spindles.
Confirm fitment by matching part number to your specific model and deck diagram.
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