Harddrive Regulator - Black Softail `07 OEM 74540-07 — Harley-Davidson Softail Heritage Classic, Softail Fat Boy, Softail Deluxe (2007)

Harddrive regulator in black for 2007+ Harley-Davidson Softail models, engineered to meet or exceed OEM specifications. Built with high-power SCR technology and sealed encapsulation for cooler, more reliable charging system performance.

Features

• Meets or exceeds OEM specifications
• High-power SCR (Silicon Controlled Rectifier) for cooler operation
• Sealed, high-temperature encapsulation
• Late-technology circuit board with surface-mount design for efficient heat dissipation
• OEM-grade wiring harness

Specifications

• Brand: Harddrive
• Manufacturer Part #: H4007
• UPC: 191361169885
• Dimensions: 5 in L × 5 in W × 2.75 in H
• Weight: 1.45 lbs
• Country of Origin: China (Mainland)

Fitment

Fits 2007 and newer Harley-Davidson Softail models with V-twin engines requiring OEM-style regulators.

Frequently Asked Questions

Will this fit my 2007 Softail?

Yes — this regulator is designed for 2007 and newer Harley-Davidson Softail models.

Does it match the original Harley regulator specs?

Yes — Harddrive engineered this to meet or exceed the original equipment specifications.

Why does it use SCR technology?

SCR (Silicon Controlled Rectifier) allows cooler operation and more efficient power delivery compared to standard regulators, reducing heat stress on your charging system.

Is installation difficult?

This is a direct replacement — disconnect the stock regulator and plug in the new one using the OEM-grade wiring harness included.