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Genuine OEM & performance parts — ships to United States

Target · Diagram

Find this reference above

Number 20 marks the part’s position in this exploded view (Volkswagen Polo 1.6 (2015-2020)).

Other diagrams in the gallery may use a different number for the same part.

Product overview

Genuine OEM Volkswagen Master Cylinder, part number 6RU721405B. This component converts the mechanical force from the brake pedal into hydraulic pressure to operate the brakes. It is a critical part of the hydraulic braking system. Genuine OEM master cylinders are precisely manufactured to ensure consistent hydraulic pressure and reliable braking performance.

Technical details

Category
Engine
Customs (HS) code
87089997
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
28 × 7.8 × 6.3 cm
Shipping weight
147 g

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. 6RU721405Not stocked
    Feb 2017
  2. 6RU721405ANot stocked
    Sep 2017
  3. 6RU721405BThis pageCurrent number