Aigemsi 4118356 Clutch Spring for Ryan Lawnaire Aerators

The Aigemsi 4118356 Clutch Spring is a precision-engineered replacement part designed for Ryan Lawnaire IV (LA-4) and Lawnaire V (LA-5) lawn aerators, including models 544863, 544881, 544908, 544910, and many others. As a critical component of the aerator’s clutch assembly, this spring regulates clutch tension, ensuring smooth engagement and disengagement of the power system. Its durable construction is built to withstand frequent start-stop cycles, reducing wear and tear over time and helping maintain optimal aerator performance.

Constructed from high-strength carbon steel with a galvanized finish, this clutch spring is engineered for outdoor durability, resisting rust and corrosion in exposure to sunlight, moisture, and fluctuating temperatures. The double closed-loop hooks provide a secure connection between the clutch cable and control lever, minimising slippage and ensuring reliable operation. Whether replacing a worn spring or upgrading for better performance, this part is an easy-to-install solution that restores proper clutch function—critical for consistent aeration results.

Ideal for routine maintenance, the Aigemsi 4118356 spring helps avoid costly downtime by addressing issues like inconsistent clutch response or improper lever return. Installation requires only basic tools and can be completed quickly, with the spring fitting between the clutch lever and cable or bracket. Always turn off the aerator before replacing the spring and use protective gear if needed. While compatible with the specified Ryan models, double-check your exact model number to confirm a perfect fit before purchase.