⚡ Power up your mower start with OEM precision and lasting durability!
The Upgrade 499901 Pulley Spring Assembly is a genuine OEM replacement part for Briggs & Stratton lawn mowers, combining a high-quality pulley and recoil spring to restore reliable engine starts. Built with durable materials and backed by a 5-year warranty, it ensures long-lasting performance and easy installation, making it the go-to fix for maintaining your mower’s efficiency.
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