Coolant expansion tank - 5Q0121407G

Original coolant expansion tank used in Volkswagen Passat B8 models with TSI petrol and TDI diesel engines.

This is a factory OEM component responsible for storing excess coolant and maintaining the correct pressure in the engine cooling system.

Technical specifications

• Part number (OE): 5Q0121407G (alternative notation: 5Q0 121 407 G)
• Function: Compensates for fluctuations in coolant volume
• Condition: Original used part - 100% functional, tested, undamaged

Main application

• Volkswagen: Passat B8 TDI TSI

Fitment guarantee

Every part undergoes quality and functionality checks before shipping.

Note: We recommend checking the condition of the hose connections and comparing the part number before purchase.