SMP Neutral Safety Switch

SMP neutral safety switch for V-twin motorcycles, American-made and manufactured to strict specifications for reliable starting safety. Direct OEM replacement with high carbon steel stems hardened to 48 Rockwell C for durability.

Features

• American-made
• High carbon steel stems hardened to 48 Rockwell C
• Manufactured to stringent OEM specifications
• Direct OEM replacement

Specifications

• Brand: SMP
• Manufacturer Part #: MCNSS3
• UPC: 091769338312
• Weight: 0.44 lbs

Fitment

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

Frequently Asked Questions

What does a neutral safety switch do?

It prevents the engine from starting unless the transmission is in neutral or the clutch is fully engaged — a safety feature on all modern motorcycles.

Is this an OEM replacement?

Yes — SMP manufactures this as a direct OEM replacement part, not an aftermarket equivalent.

Will this fit my specific model?

This part is designed for V-twin motorcycles, including Harley-Davidson and Indian. Verify your bike's switch connector type before ordering if unsure.

Is installation difficult?

Neutral safety switches are typically located on the transmission side cover or clutch assembly. Installation complexity varies by model — consult your service manual.