Coolant expansion tank – 8K0121405E

Coolant expansion tank designed for Audi Q5 8R cars with a 3.0 TDI engine and related Audi models based on the 8K platform.

This is an OEM component responsible for storing coolant and compensating for changes in its volume due to temperature in the engine cooling system.

Technical specifications

• Part number (OE): 8K0121405E (8K0 121 405 E)
• Function: coolant expansion tank
• Condition: original part, used, functional, leak-free, without cracks, tested before shipping
• Manufacturer: Volkswagen Group (VAG) – OEM original

Application

• Audi Q5 8R – 3.0 TDI engine
• Audi 8K platform

Fitment and verification

Every part undergoes a condition and functionality check before shipping.

Tip: Compare the OE part number with the old tank in your vehicle or check compatibility using the VIN.