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Replace your worn Toro 105-8783 deck belt with this high-performance B239K / B239LG V-belt. Engineered for 60" Toro Z Master mowers, this heavy-duty belt measures 5/8" wide with an outside length of approximately 242 inches. Built with durable aramid cord construction for superior tensile strength, it ensures long-lasting performance in high-load mower deck applications.
Compatible with Toro models using OEM part numbers 105-8783 or 108-4071, including Z500, Z528, Z553, Z557, Z558, Z560, Z587L, and Z588E series mowers.
Ships as B239K or B239LG—industry standard aftermarket design that meets or exceeds OEM specifications.
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We strive for accuracy, but it is the customer’s responsibility to verify belt compatibility, specifications, and fitment before purchase. Use of an original equipment manufacturer (OEM) name is for reference only and does not imply endorsement or that the product is a direct OEM replacement unless clearly stated.
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