Steel sump guard for Audi A4 B9 - (2016-2025). Buy your sump guard directly from the manufacturer. Brand: Audi. Model: Audi A4. Year: 2016 - 2025. Product code: 30.007. Material: Steel. Made out of 2 mm thick Steel plate. Protects: engine, radiator. Weight: 9 (kg). Engine: ALL.