Pierburg 7.21071.50.0 Diverter Valve

Overview of Pierburg 7.21071.50.0 Diverter Valve

The Pierburg 7.21071.50.0 is an electric-pneumatic diverter valve designed for emission control vacuum systems. Engineered to meet the specific requirements of various Mercedes-Benz models, this switch valve operates at 12 volts to ensure precise control within the vacuum system.

• Electric-pneumatic operating mode for reliable valve actuation
• Switch valve type optimized for emission control systems
• 12-volt voltage rating compatible with standard automotive electrical systems
• Technical Information Number Si 0100 for reference and service
• Compatible with multiple Mercedes-Benz models including AMG variants

Technical Details and Compatibility

This diverter valve is built to integrate seamlessly with the emission control vacuum systems of Mercedes-Benz vehicles such as the C36 AMG, C43 AMG, C220, C230, C280, CL500, CL600, E320, E420, G55 AMG, G500, G550, S320, S350, S420, S500, S600, SL320, and SL500. The electric-pneumatic operation allows for efficient switching within the vacuum system, contributing to optimal engine performance and emission regulation. The 12V rating ensures compatibility with the vehicle’s electrical system, while the switch valve design supports precise control of vacuum flow.

Applications and Problem Resolution

• Regulates vacuum flow in emission control systems to maintain engine efficiency
• Prevents vacuum leaks that can cause rough idling or poor acceleration
• Supports proper operation of turbocharger wastegate or boost control systems
• Helps reduce emissions by ensuring correct vacuum routing
• Addresses issues related to faulty or stuck diverter valves in Mercedes-Benz models

Installation Notes and Tips

• Ensure vehicle ignition is off and battery is disconnected before installation
• Verify compatibility with your specific Mercedes-Benz model and engine variant
• Follow manufacturer’s technical information number Si 0100 for detailed installation procedures
• Inspect vacuum lines and connectors for damage or wear during replacement
• Test valve operation after installation to confirm proper function

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of emission control components, this diverter valve meets OEM standards for fit and function. While specific warranty details should be confirmed at the point of purchase, Pierburg products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and durability in automotive applications.