SMP Circuit Breaker - 40amp — Harley-Davidson Electra Glide, Electra Glide Classic, Electra Glide Ultra Classic (1970-2026)

SMP 40-amp circuit breaker for V-twin motorcycles, a self-resetting electrical protection device engineered as a direct OEM replacement. American-made and trusted by Harley-Davidson and Indian Motorcycle riders.

Features

• 40-amp rating
• Self-resetting design
• American-made
• Direct OEM replacement
• Fits most '70-present FL, FX, and XL models

Specifications

• Brand: SMP
• Manufacturer Part #: MCCBR7
• UPC: 091769506407
• Amperage: 40 amp
• Length: 2.7 in
• Width: 3.9 in
• Height: 1.75 in
• Weight: 0.07 lbs

Fitment

Fits most V-twin motorcycles from 1970 to present, including Harley-Davidson FL, FX, and XL models.

Frequently Asked Questions

What does a circuit breaker do on a motorcycle?

It protects your electrical system by automatically interrupting power if current exceeds 40 amps, then resets when the fault is cleared.

Is this a direct replacement for the original?

Yes — SMP engineered this as a direct OEM replacement that bolts into stock locations on FL, FX, and XL models.

Will this fit my Indian motorcycle?

This part fits most V-twin cruisers. Verify your model year and electrical system specs with SMP or your dealer before ordering.

What happens if the breaker trips?

The circuit cuts power to prevent damage. Once the overload is resolved, the self-resetting design allows power to restore automatically.