Harddrive Regulator - Black FL/FX `1970-1975 OEM 74510-70a — Harley-Davidson Electra Glide (1970-1975)

Harddrive regulator in black for Harley FL/FX models 1970–1975, engineered to OEM specifications with sealed SCR (Silicon Controlled Rectifier) technology for cooler, more reliable charging system operation.

Features

• Meets or exceeds OEM specifications
• High-power SCR design for cooler operation
• Sealed encapsulation protects against heat and environment
• High-temperature circuit board with surface-mount technology
• OEM-grade wiring harness

Specifications

• Brand: Harddrive
• Manufacturer Part #: H1070
• UPC: 191361170089
• Length: 4.95 in
• Width: 4.15 in
• Height: 2.6 in
• Weight: 0.82 lbs
• Country of Origin: China (Mainland)

Fitment

Fits Harley-Davidson FL and FX models 1970–1975.

Frequently Asked Questions

Will this fit my 1970-1975 FL or FX Harley?

Yes — this regulator is engineered for FL and FX models in that year range and meets OEM specifications.

What's the advantage of the SCR design?

The Silicon Controlled Rectifier allows cooler operation and more stable charging than older regulator designs, improving reliability.

Is this sealed against moisture and heat?

Yes — the regulator is sealed and uses a high-temperature circuit board to handle environmental extremes and resist corrosion.

Will this work on other vintage Harley models?

This part is specific to 1970–1975 FL/FX models. Other Harley models require different regulators — verify your year and model before ordering.