SMP Relay Switch

SMP relay switch for V-twin motorcycles, engineered as a direct OE-style replacement to restore reliable starting performance. Heavy-duty construction with a bright-finished case and proven durability across Harley-Davidson and Indian platforms.

Features

• Direct OE-style replacement relay
• Heavy-duty bright-finished case
• Consistent starting performance
• Reliable long-life operation

Specifications

• Brand: SMP
• Manufacturer Part #: MCRLY5
• UPC: 091769362621
• Length: 2.7 in
• Width: 3.9 in
• Height: 1.75 in
• Weight: 0.06 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle platforms.

Frequently Asked Questions

Is this a direct replacement for my OEM relay?

Yes — SMP engineered this as a direct OE-style replacement to match your bike's original relay specifications and mounting.

Will this improve my starting performance?

If your original relay is weak or worn, this SMP relay restores consistent, reliable starting performance.

What's the difference between this and a generic relay?

SMP builds this to match OEM specifications and durability. The heavy-duty case and proven design ensure long-life reliability across high-mileage riders.