The OEM 5WA971538A Earth Line ground strap is engineered from high-conductivity copper braid encased in a durable PVC jacket. Designed for a direct bolt-on fit to your CUPRA Ateca (and compatible VW Group models), it delivers critical chassis grounding to protect onboard electronics from static charge and electrical noise. Easy to install with existing mounting points, this earth line ensures stable sensor readings, reliable ECU performance, and long-term electrical system integrity.