SMP Heavy Duty Hydraulic Rear Stoplight Switch - Brass Terminals
About SMP
Standard Motor Products supplies ignition, sensor and electrical components across the automotive and powersports markets, with V-twin parts covering switches, sensors and ignition hardware.
The SMP Heavy Duty Hydraulic Rear Stoplight Switch is built tough for V-twin motorcycles, featuring brass terminals and reinforced contacts to endure harsh riding conditions like salt, mud, and vibration.
Why riders pick this
- Extreme durability for tough conditions
- Corrosion-resistant brass terminals
- Reinforced contacts for extended life
- Direct OEM replacement for easy swap
When you're pushing your V-twin through challenging environments, every component needs to perform. This heavy-duty stoplight switch ensures your rear brake light activates reliably, even after exposure to the elements. Its reinforced contacts and corrosion-resistant brass terminals are engineered for maximum durability, providing consistent brake light signaling for enhanced safety on your Harley-Davidson or Indian Motorcycle, no matter where the road takes you.
Built for Extreme Conditions
- Heavy-duty hydraulic rear stoplight switch
- Brass terminals resist corrosion from salt and moisture
- Reinforced contacts ensure long-lasting durability
- Direct OEM replacement for straightforward installation
Uncompromised Reliability
This SMP stoplight switch is a direct OEM replacement, meaning it's designed for a perfect fit and easy installation into your V-twin's hydraulic rear brake system. Unlike standard switches, its enhanced construction provides superior resilience against the wear and tear of aggressive riding or adverse weather. It's the ideal choice for riders who demand uncompromised reliability from their safety components on their Harley-Davidson or Indian Motorcycle.
Specifications
- Brand: SMP
- Manufacturer Part #: MCSLS4
- UPC: 727943097606
- Length: 2.65 in
- Width: 4.15 in
- Height: 1.7 in
- Weight: 0.04 lbs
- Country of Origin: Poland
Common questions
How do I know if my rear brake uses a hydraulic stoplight switch?
If your V-twin has a single rear brake lever and a hydraulic master cylinder, it uses a hydraulic stoplight switch. This part typically mounts directly to that master cylinder.
Is this SMP stoplight switch a direct replacement for OEM parts?
Yes, SMP manufactures this as a direct OEM replacement. It's designed to bolt in exactly where the original switch was, providing a seamless swap without modifications.
Will this heavy-duty switch fit my specific Harley-Davidson or Indian Motorcycle model?
This switch is designed for V-twin motorcycles with hydraulic rear brake systems. To confirm compatibility with your exact make, model, and year, please use our Shop by Bike tool.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | SMP |
| TYPE | Switches |
| SKU | 275-01051 |
| WEIGHT | 0.04 lb |
