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Number 1 marks the part’s position in the exploded view.

Product overview

Genuine OEM Volkswagen Cooling System Cap, part number 5Q0121251ER. This cap is essential for sealing and protecting components within the vehicle's cooling system, maintaining proper pressure. It is located on the cooling system reservoir or radiator. The weight of this part is 4.413 kg. Genuine OEM caps are manufactured to precise specifications to ensure a secure seal and prevent leaks.

Technical details

Category
Engine Cooling
Country of origin
Germany
Customs (HS) code
87089135
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
80 × 47.5 × 11 cm
Shipping weight
4.41 kg

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

7 vehicles

Cooler For Coolant — locate 5Q0121251ER Volkswagen Cooling System Cap | Genuine OEM in the official exploded view and explore the surrounding assembly.

This part is marked discontinued by the manufacturer (since 2015-12-01); contact us to check current availability.

Parts in this assembly13
Vehicle fitment table7

Europe (7)

VehicleYearsPos.QtyRemarkPR
Superb Combi2015-202411
Golf 1.4 BlueMotion2014-201711PR:8Z4,8Z58Z4
Golf Estate2013-2017119AC
Audi A3 Cab. 1.42013-2016119AC
Golf 1.4 BlueMotion2012-2017119AC
Octavia2012-201711
Audi A3 Sportback2012-201611

Diagrams & fitment data powered by oemdiagrams.com

5Q0121251ER Volkswagen Cooling System Cap | Genuine OEM is fitted on: Superb Combi 2015-2024; Golf 1.4 BlueMotion 2014-2017; Golf Estate 2013-2017; Audi A3 Cab. 1.4 2013-2016; Golf 1.4 BlueMotion 2012-2017; Octavia 2012-2017; Audi A3 Sportback 2012-2016.