TOPRAN 638 959 Brake Pad Wear Indicator

Compatible with AUDI A8 D4 (4H2, 4H8, 4HC, 4HL) ,
Ensures timely notification of brake pad wear. A crucial safety component for your vehicle.
2.47 EUR
inc. VAT 21%
In stock 6
Delivery 1 day (14.05.2026)
PN 638 959
Make TOPRAN

The TOPRAN 638 959 Brake Pad Wear Indicator is designed to alert you when your brake pads have reached a critical wear level. This essential safety feature helps prevent potential damage to your brake rotors and ensures optimal braking performance. Properly functioning brake pads are vital for safe driving. This indicator provides a clear warning, allowing you to schedule replacements before your brake system is compromised. It is engineered for reliable performance and easy integration into your vehicle's braking system. Regularly checking your brake wear is important, but this indicator offers an additional layer of security. When the warning light illuminates on your dashboard, it signifies that your brake pads require immediate attention. This proactive approach can save you from more costly repairs down the line.

  • Direct replacement for original equipment.
  • Monitors brake pad thickness.
  • Provides audible or visual warning.
  • Enhances vehicle safety.
  • Helps prevent rotor damage.
  • Ensures optimal braking performance.
  • Durable construction for longevity.
Installation side
Rear axle
Number of wear sensors [per axle]
2
Number of pin contacts
2
Length [mm]
+350
Plug connector housing shape
D-Shape
Wear sensor
Replace the warning contact together with the brake pads
Brake type
Disc brake mechanism
  • AUDI
    • A8 D4 (4H2, 4H8, 4HC, 4HL)
      • 6.3 W12 quattro (368kW/500PS)
      • 3.0 TFSI quattro (245kW/333PS)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (155kW/211PS)
      • S8 quattro (382kW/520PS)
      • 4.0 TFSI quattro (309kW/420PS)
      • 3.0 TFSI quattro (228kW/310PS)
      • 2.0 TFSI hybrid (180kW/245PS)
      • 3.0 TFSI quattro (213kW/290PS)
      • 4.2 FSI quattro (273kW/371PS)
      • 3.0 TDI quattro (184kW/250PS)
      • 4.2 TDI quattro (258kW/351PS)
      • 4.2 TDI quattro (283kW/385PS)
      • 4.0 TFSI quattro (320kW/435PS)
      • 3.0 TDI quattro (190kW/258PS)
      • 3.0 TDI quattro (176kW/239PS)
      • 2.5 TFSI (150kW/204PS)
      • 3.0 TDI quattro (193kW/262PS)
      • S8 plus quattro (445kW/605PS)
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