Description
This electric circuit breaker (Part #12102) is a high-quality 30 amp replacement designed for Harley-Davidson Big Twin and Sportster models from 1973 and later. It serves as a critical electrical protection component, automatically interrupting power during overloads or short circuits to prevent wiring damage.
This is a stud-type, self-resetting circuit breaker featuring durable zinc-plated construction for long-lasting performance and corrosion resistance. Once the fault is cleared, the breaker automatically resets, restoring power without the need for manual replacement.
Direct replacement for OEM part number 74599-77B, making it ideal for repairs, restorations, or electrical system upgrades.
Features:
Brand: Aftermarket / Mid-USA Style
Part Number: 12102
Amperage: 30 Amp
Type: Self-resetting circuit breaker
Stud-type connection
Zinc-plated housing for corrosion resistance
Automatic reset after overload protection
Durable construction for long-term use
Direct OEM-style replacement
Fitment:
Fits Harley-Davidson models including:
Big Twin Models (1973–1999+):
Tour Glide (FLT)
Electra Glide (FLH / FLHT)
Road King (FLHR)
Softail (FXST / FLST)
Dyna (FXD)
FXR models
Sportster Models (1973–1999+):
XL 883 / XL 1200
Note:
Fits most Harley-Davidson Big Twin and Sportster models 1973 and later depending on application. Always verify part number and electrical specs before purchase.
