Window Regulator Mechanism

Compatible with VW PASSAT B3/B4 (3A2, 35I) , VW PASSAT B3/B4 Variant (3A5, 35I) ,
This window regulator mechanism ensures smooth and reliable operation of your vehicle's window. Designed for a precise fit and durable performance.
18.53 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (14.05.2026)
PN 103 591
Make TOPRAN

The TOPRAN 103 591 is a high-quality window regulator mechanism designed to restore the functionality of your car's side window. Engineered for durability and ease of installation, this part ensures that your window moves up and down smoothly and consistently. It is built to meet or exceed original equipment specifications, providing a reliable solution for a common wear-and-tear item. Replacing a faulty window regulator is essential for both convenience and security. This mechanism is crafted from robust materials to withstand regular use and varying environmental conditions, offering long-lasting performance.

  • Direct replacement for original part
  • Ensures smooth window operation
  • Durable construction for longevity
  • Designed for a precise fit
  • Restores full window functionality
  • Easy installation
Installation side
front right
Operating mode
handles
Vehicle equipment
For vehicles without electric window lifters
Vehicle designed for left-/right-hand traffic
For left side steering control
Vehicle designed for left-/right-hand traffic
For right-hand drive (steering wheel on the right side)
Window regulator mechanism
Lifting mechanism with two arms connected by joints
cross-reference numbers
103 590
  • VW
    • PASSAT B3/B4 (3A2, 35I)
      • 1.6 (53kW/72PS)
      • 1.6 (55kW/75PS)
      • 1.8 (79kW/107PS)
      • 1.8 (82kW/112PS)
      • 2.0 (85kW/115PS)
      • 1.6 TD (59kW/80PS)
      • 1.9 D (50kW/68PS)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 1.8 G60 Syncro (118kW/160PS)
      • 2.0 16V (100kW/136PS)
      • 2.8 VR6 (128kW/174PS)
      • 2.0 16V (110kW/150PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 16V (100kW/136PS)
      • 2.0 (79kW/107PS)
    • PASSAT B3/B4 Variant (3A5, 35I)
      • 1.6 (53kW/72PS)
      • 1.6 (55kW/75PS)
      • 1.8 (79kW/107PS)
      • 1.8 (82kW/112PS)
      • 2.0 (85kW/115PS)
      • 1.6 TD (59kW/80PS)
      • 1.9 D (50kW/68PS)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 1.8 G60 Syncro (118kW/160PS)
      • 2.0 16V (100kW/136PS)
      • 2.8 VR6 (128kW/174PS)
      • 2.0 16V (110kW/150PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 16V (100kW/136PS)
      • 2.0 (79kW/107PS)
      • 2.0 (85kW/116PS)
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