VAG Reduction Agent Tank Plus - 5Q0131877AA

This is a genuine VAG Reduction Agent Tank Plus, part number 5Q0131877AA. It is designed to store and supply AdBlue (Diesel Exhaust Fluid - DEF) to your vehicle's selective catalytic reduction (SCR) system. Proper functioning of the AdBlue tank is crucial for reducing harmful nitrogen oxide (NOx) emissions from diesel engines. This component ensures the precise injection of AdBlue into the exhaust stream, which reacts with NOx to convert it into harmless nitrogen and water vapor. If your vehicle is experiencing issues related to AdBlue levels, warning lights, or emissions system faults, replacing the reduction agent tank may be necessary. This VAG original part guarantees compatibility and performance, maintaining your vehicle's emissions compliance and optimal running condition.

• Genuine VAG part for guaranteed fit and function.
• Part Number: 5Q0131877AA
• Essential for AdBlue (DEF) storage and delivery.
• Supports Selective Catalytic Reduction (SCR) system.
• Helps reduce harmful NOx emissions.
• Ensures compliance with emissions regulations.
• Direct replacement for original equipment.