Hydraulic Brake Light Switch – Brake Master Cylinder Without Switch

Your brake master cylinder has no built-in brake light switch? This hydraulic brake light switch is the straight fix: it fits inline on the hydraulic circuit and triggers your rear light the moment you brake.

Compatibility:

Designed for master cylinders without an integrated switch (e.g. Most). Works on both front and rear circuits.

Benefits:

• 🔧 Simple inline installation on the hydraulic circuit, no modification needed
• 🛡️ Improves safety by signalling braking to following vehicles
• 🎯 Compatible with front and rear master cylinders
• 📈 Perfect for aftermarket master cylinder swaps without an integrated switch