Designed specifically to support flexible rod K 72135, the spring guide with code K 72137 ensures proper alignment and controlled movement of the rod within the mechanical system of the Sulzer ZV40/48 engine. This component helps maintain tension and reduces the risk of unwanted deflection or vibration, especially under dynamic operating conditions. Made from durable materials and engineered for high precision, the spring guide extends the lifespan of connected parts and contributes to smoother overall engine performance.