Brake Wear Indicator (Left) | Replaces Renault 7421665042 & Volvo 21665042

Quality Assurance One-Year Minimal
Weight 173 g
Cable Length 2850 mm
Packaging Customization Available
Number of pins 3

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OE Number Reference
Replaces Ref. no.
Renault 7421665042
Renault 7423740278
Volvo 21665042
Volvo 23740278
Used in Vehicles
Brand Model
Renault C-Serie C
Renault K-Serie K

Left-Side Brake Wear Indicator for Renault & Volvo Commercial Vehicles

Ensure the safety and diagnostic integrity of your fleet with our premium-grade Brake Wear Indicator (Left). Engineered to match the exact physical and electrical specifications of original equipment, this sensor is a critical replacement for Renault and Volvo heavy-duty braking systems. It provides accurate, real-time feedback to your vehicle’s monitoring system, allowing for proactive brake maintenance and avoiding costly damage to brake discs and pads.

Why Choose Our Wear Indicator?

  • Dual-Brand Compatibility: Engineered for seamless integration across Renault C-Series and K-Series, as well as matching Volvo applications using OE 21665042 and 23740278.

  • OEM Specification: Built to ensure exact signal resistance, preventing “false” dashboard warning lights and ensuring system reliability.

  • Ruggedized Design: Features a high-quality cable assembly protected against road salt, moisture, and extreme temperatures found in chassis-mounted wheel environments.

  • Safety First: Facilitates timely pad replacement alerts, critical for maintaining legal safety compliance and operational uptime for commercial fleets.


Technical Specifications & Cross-Reference

Manufacturer OE Reference Part Numbers
Renault 74 21 665 042, 74 23 740 278
Volvo 21665042, 23740278

Application Coverage:

  • Renault C-Series: All C-Series configurations.

  • Renault K-Series: All K-Series configurations.

Technical Note: This is the Left-side wear indicator. Always ensure proper side-specific installation to match your vehicle’s wiring harness routing. We recommend replacing wear indicators during every brake pad service to guarantee the accuracy of your vehicle’s safety systems.