Radiator Coolant Reservoir – Audi, Seat, Skoda, Volkswagen (5Q0121407G)
This high-quality radiator coolant reservoir (Teilex SD203544) is a direct replacement for OE part number 5Q0121407G and its superseded references. Also known as a radiator expansion tank or overflow tank, it is essential for maintaining proper coolant pressure and volume to prevent overheating and ensure consistent engine temperature regulation.
Key Features:
Direct replacement for OE numbers:
5Q0 121 407A, 5Q0 121 407G, 5Q0 121 407T, 5Q0 121 407 M
High-strength plastic construction for durability and heat resistance
Maintains cooling system pressure and prevents coolant loss
Manufactured to meet or exceed OEM specifications
Part No: SD203544 | Brand: Teilex
Compatible With:
Audi:
A3 Hatchback (8V1, 8VK) – 2012–2020
A3 Sportback (8VA, 8VF) – 2012–2021
A3 Saloon (8VS, 8VM) – 2013–2021
A3 Convertible (8V7, 8VE) – 2013–2021
TT Coupe (FV3, FVP) – 2014–2025
TT Roadster (FV9, FVR) – 2014–2025
Q2 (GAB) – 2016–2025
Q3 (F3B) – 2018–2025
Seat:
Leon III Hatchback (5F1) – 2012–2021
Leon III SC (5F5) – 2013–2018
Leon III ST (5F8) – 2013–2020
Ateca (KH7) – 2016–2025
Skoda:
Yeti (5L) – 2009–2017
Octavia III Hatchback (5E3, NL3, NR3) – 2012–2021
Octavia III Combi (5E5) – 2012–2020
Fabia III Hatchback (NJ3) – 2014–2021
Fabia III Estate (NJ5) – 2014–2022
Superb III Hatchback (3V3) – 2015–2025
Superb III Estate (3V5) – 2015–2025
Kodiaq (NS7) – 2016–2025
Karoq Off-Road (NU7) – 2017–2025
Volkswagen:
Scirocco III (137, 138) – 2008–2018
Golf VII Hatchback (5G1, BQ1, BE1, BE2) – 2012–2021
Golf VII Variant (BA5, BV5) – 2013–2022
Golf Sportsvan (AM1, AN1) – 2014–2020
Passat B8 Saloon (3G2, CB2) – 2014–2025
Passat B8 Variant (3G5, CB5) – 2014–2025
Touran II (5T1) – 2015–2025
Tiguan II (AD1) – 2016–2025
Arteon (3H7) – 2017–2025
Tiguan Allspace (BW2) – 2017–2025
T-Roc (A11) – 2017–2025
Atlas (CA1) – 2016–2025
Note: This is an aftermarket replacement part manufactured by Teilex, not a genuine Audi, Seat, Skoda, or Volkswagen component.
