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Genuine OEM & performance parts — ships to United States

Target · Diagram

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

Product overview

Genuine OEM Volkswagen Reduction Agent Tank, part number 5WA131877AD. This tank stores and heats the reduction agent (AdBlue) for the selective catalytic reduction (SCR) system. It is located in the exhaust system assembly. Genuine OEM tanks ensure precise fitment and material integrity for safe and effective operation of the SCR system.

Technical details

Category
Exhaust
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. 5WA131877FSuperseded
    Sep 2025
  2. 5WA131877ADThis pageCurrent number

Vehicle compatibility

1 vehicle

5WA131877AD Volkswagen Reduction Agent Tank | Genuine OEM fits: Volkswagen Golf/Variant/4Motion 1998–present.

Volkswagen1 model

  • Golf/Variant/4Motion1998–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.