Genuine 0021406860 Secondary Air Injection Pump Check Valve

Reliable Secondary Air Injection Pump Check Valve for Mercedes-Benz

The Genuine Secondary Air Injection Pump Check Valve (Part Number 0021406860) is designed specifically for select Mercedes-Benz models including the C230, CL600, S600, SL600, and SLK230. This component plays a critical role in the emission control system by ensuring proper air flow and reducing harmful exhaust emissions.

• Compatible with Mercedes-Benz C230, CL600, S600, SL600, and SLK230 models
• Genuine part number 0021406860 for precise fit and function
• Essential component of the air injection system for emission control
• Durable construction to withstand high temperatures and engine conditions
• Helps maintain optimal engine performance and emission standards

Product Details and Functionality

This Genuine Secondary Air Injection Pump Check Valve is engineered to regulate the flow of air from the secondary air injection pump into the exhaust system. By preventing exhaust gases from flowing back into the pump, it protects the air injection system and supports the vehicle’s emission control strategy. The valve is designed to meet the exact specifications required by Mercedes-Benz, ensuring compatibility and reliable operation in models such as the C230, CL600, S600, SL600, and SLK230. Using the correct part number 0021406860 guarantees proper fitment and system integrity.

Common Applications and Problem Resolution

• Prevents backflow of exhaust gases into the secondary air injection pump
• Helps reduce engine misfires related to air injection system failure
• Addresses check engine light issues linked to emission control faults
• Improves cold start emissions by ensuring proper air injection
• Maintains compliance with emission regulations for Mercedes-Benz vehicles

Installation Notes and Tips

Installation of the Secondary Air Injection Pump Check Valve should be performed by a qualified technician familiar with Mercedes-Benz emission systems. Ensure the engine is cool before removal and replacement to avoid injury. Verify the part number 0021406860 matches the existing valve to confirm compatibility. Proper sealing and secure connections are essential to prevent air leaks and maintain system performance.

Quality Assurance and Warranty

This Genuine part is manufactured to meet Mercedes-Benz OEM standards, ensuring durability and reliable operation within the air injection system. While specific warranty details may vary, Genuine parts typically come with a manufacturer-backed warranty covering defects in materials and workmanship. Using the correct part number 0021406860 helps maintain vehicle warranty compliance and emission system integrity.