SMP "Plug" Style Starter Relay Switch - Harley & Indian V-Twin
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.
This SMP "plug" style starter relay switch is engineered to deliver consistent starter engagement and long-life reliability for your V-twin motorcycle. As a direct OEM-replacement, it's designed specifically for Harley-Davidson and Indian riders seeking to restore or upgrade their electrical system's performance. It ensures a strong, consistent signal to your starter motor every time you hit the ignition.
Why riders pick this
- Restores consistent starter engagement
- Direct OE-style plug-in replacement
- Heavy-duty construction for durability
- Long-life design for extended reliability
A robust starter relay is critical for firing up your V-twin without a hitch. This SMP relay switch features a heavy-duty, brightly finished case, built to endure the harsh conditions motorcycles face. Its plug-in installation means you can get back on the road faster, with reliable starter performance that won't leave you stranded. It's an essential component for maintaining the dependable operation of your Harley or Indian.
Consistent Performance, Every Start
- Direct OE-style replacement for seamless integration
- Heavy-duty, brightly finished case for durability
- Delivers consistent starter performance
- Long-life design for extended reliability
- Plug-in installation for a straightforward swap
Reliable Power for Your V-Twin
Don't let a weak or failing starter relay compromise your ride. This SMP "plug" style relay provides the consistent power transfer needed to crank your V-twin reliably. It's an ideal choice for riders looking for a dependable, easy-to-install solution to restore their Harley-Davidson or Indian Motorcycle's starting system to peak condition.
Specifications
- Brand: SMP
- Manufacturer Part #: MCRLY1
- UPC: 091769210540
- Length: 2.7 in
- Width: 4.4 in
- Height: 1.75 in
- Weight: 0.12 lbs
- Country of Origin: China (Mainland)
Common questions
Will this relay work on my Harley or Indian?
Yes, this SMP relay is designed for V-twin motorcycles, including standard Harley-Davidson and Indian models with plug-in relay sockets. Always confirm your specific model's requirements.
What does a starter relay do?
The starter relay acts as a switch, routing high current from the battery to the starter motor when you press the ignition button, which then enables the engine to crank and start.
Is this a direct plug replacement?
Yes, its "plug" style configuration means it's designed to drop directly into your existing relay socket without requiring any modifications or additional wiring.
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 | 275-01090 |
| WEIGHT | 0.12 lb |
