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The BESTORQ 840593100875 A37 or 4L390 Rubber V-Belt is a wrapped V-belt, measuring 39 inches in length, 0.5 inches in width, and 0.32 inches in height, with an approximate 40-degree belt angle. It is constructed from highly engineered, high-performance components, featuring an oil and heat-resistant synthetic rubber compound outer wrap for excellent wear resistance. The helically wound polyester tensile cords are specially engineered for durability, while the body rubber compound ensures cool running, flexibility, and crack resistance, providing strong bonding.
Engineered for long-lasting performance in high-load environments, exceeding USA RMA published ratings.
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