5Q0121407AA - Coolant Reservoir - Audi 8V S3/TT/TTS & Volkswagen Golf MK7 GTI/R- MQB - EA888.3

5Q0121407AA – Coolant Reservoir | Audi 8V A3/S3/TT/TTS & Volkswagen Golf MK7 GTI/R – MQB EA888.3

This genuine Volkswagen/Audi coolant reservoir (part number 5Q0121407AA) is the latest OEM revision designed for MQB-platform vehicles from 2013 to 2020, including the popular Golf MK7 GTI/R, Audi 8V A3/S3/TT/TTS, and more.

Unlike earlier versions, this upgraded tank eliminates the internal silicone bag, which was known to degrade over time and contaminate the cooling system. If your coolant reservoir is discoloured, dirty, or your water pump has failed, replacing the tank is an essential step in restoring your cooling system’s performance and cleanliness.

Key Features:

• Genuine OEM part – latest generation without internal silicone bag

• Clear design for easy coolant level monitoring

• Direct-fit replacement for all MQB EA888.3 1.4L, 1.8L, and 2.0L TSI engines

• Does not include reservoir cap

Compatible with:

• Volkswagen Golf MK7/MK7.5 GTI & R

• Audi 8V A3/S3/TT/TTS

• Volkswagen Tiguan MQB

• Skoda Octavia MK3, Superb MQB

• Volkswagen Passat 206, Arteon

• Audi A3 1.4 TSI, Golf 1.4 TSI

Supersedes:
5Q0121407A, 5Q0121407G, 5Q0121407M, 5QM121407B, 5Q0121407S, 5Q0121407T

Ensure reliable coolant circulation and system longevity by replacing worn or outdated reservoirs with this latest-spec unit.

SKU: 5Q0121407AA