Harddrive Regulator - Black Softail `00 OEM 74512-00 — Harley-Davidson Softail Heritage Classic, Softail Fat Boy, Softail Heritage Springer (2000)

Harddrive OEM-spec voltage regulator for Harley-Davidson Softail and other V-twin motorcycles, engineered with high-power SCR (Silicon Controlled Rectifier) technology and sealed encapsulation for reliable charging system performance.

Features

• Meets or exceeds OEM specifications
• High-power SCR design for cooler operation
• Sealed, environmentally protected encapsulation
• High-temperature circuit board with surface-mount technology
• OEM-grade high-temperature wiring harness

Specifications

• Brand: Harddrive
• Manufacturer Part #: H1200
• UPC: 191361169922
• Dimensions: 5.3 in L × 5.4 in W × 2.9 in H
• Weight: 0.98 lbs
• Country of Origin: China (Mainland)

Fitment

Fits Harley-Davidson Softail models 2000 and compatible V-twin motorcycles using OEM regulator mounts.

Frequently Asked Questions

Will this fit my Softail?

Yes — this regulator is OEM-spec for Softail models. Verify your bike's mounting location matches before ordering.

What does a regulator do?

It controls voltage output from the alternator to the battery and electrical system, preventing overcharging and undercharging.

How do I know if my regulator is bad?

Signs include dim lights at idle, battery not holding charge, or ammeter constantly in red. A multimeter test confirms if replacement is needed.

Is installation difficult?

Regulators typically bolt to the frame near the battery. Disconnect the negative battery terminal first, then unbolt the old unit and swap in the new one.