Husqvarna Chain Brake Spring (OEM Fit)

The **RUURUU Chain Brake Control Spring** is a direct OEM replacement designed for precise compatibility with a wide range of Husqvarna chainsaw models, including the 36, 40, 41, 42, 45, 49, 50, 51, 55, 61, 66, 136, 141, 154, 268, and 272 series. Engineered to match Husqvarna’s original part number **501874701 / 5018747-01**, this spring ensures reliable brake engagement, making it essential for maintaining safety in professional forestry and heavy-duty brushcutting applications. Its durable construction is built to withstand high-tension conditions during prolonged operation, reducing the risk of brake failure under demanding workloads.

As an authentic OEM substitute, the spring restores factory specifications for the chain brake system, guaranteeing consistent performance and compatibility with existing components. The simplified design allows for quick installation, minimising downtime during routine maintenance—critical for operators who rely on uninterrupted productivity. Whether used in commercial logging, land clearing, or agricultural tasks, this replacement part helps uphold the integrity of Husqvarna’s brake mechanism, ensuring operator safety and equipment longevity.

Each order includes **one control spring** (no additional components) and is backed by RUURUU’s quality assurance for professional-grade tools. Ideal for workshops, contractors, or enthusiasts servicing Husqvarna equipment, this part is a cost-effective solution to avoid delays caused by worn or failed brake springs.