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Target · Diagram

Find this reference above

Number 13 marks the part’s position in the exploded view.

Product overview

Genuine OEM Volkswagen Coolant Reservoir, part number 3WA121407D. This component stores and regulates the engine's coolant, maintaining the correct level and pressure within the cooling system. It is positioned in the engine compartment. The reservoir is usually made of durable plastic. Genuine OEM parts are manufactured to exact specifications for reliable performance and longevity.

Technical details

Category
Engine Cooling
Customs (HS) code
87089997
Manufacturer
Volkswagen
Product Type
Genuine new auto parts

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

Replaces older part numbers

This is the current manufacturer number. Older numbers on this road are no longer supplied.

Supersession roadoldest to newest
  1. 3WA121407CSuperseded
    Jul 2025
  2. 3WA121407DThis pageCurrent number

Vehicle compatibility

5 vehicles

3WA121407D Volkswagen Coolant Reservoir | Genuine OEM fits: Volkswagen Caddy 1983–present; Volkswagen Golf/Variant/4Motion 1998–present; Volkswagen Passat/Variant/Santana 1974–present; Volkswagen Tayron 2025–present; Volkswagen Tiguan 2008–present.

Volkswagen5 models

  • Caddy1983–present
  • Golf/Variant/4Motion1998–present
  • Passat/Variant/Santana1974–present
  • Tayron2025–present
  • Tiguan2008–present

This list may not include every compatible vehicle. If you’re unsure, share your VIN and our fitment team will confirm the right part before you order.