Harddrive Regulator - 1989-1999 Non-EFI Harley-Davidson
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
This Harddrive regulator is engineered for 1989-1999 Harley-Davidson V-twin motorcycles equipped with carbureted (non-EFI) engines. It provides a reliable replacement for your stock unit, ensuring consistent power delivery to your motorcycle's electrical system. Riders can count on its robust design for long-term performance.
Why riders pick this
- Designed for 1989-1999 carbureted Harley V-twins
- Meets or exceeds OEM specifications
- SCR design for cooler, more stable operation
- Sealed, high-temperature encapsulation
- OEM-grade wiring harness for durability
Keep your classic Harley running smoothly with this Harddrive regulator, specifically designed for 1989-1999 carbureted models. It's crucial for maintaining proper charging voltage, protecting your battery and other vital electronics from fluctuations. This unit is built to withstand the rigors of the road, offering a dependable solution for your V-twin.
Advanced Charging System Reliability
- Meets or exceeds OEM specifications for a precise fit
- Silicon Controlled Rectifier (SCR) design promotes cooler operation
- Sealed, high-temperature encapsulation protects against elements
- Surface-mount circuit board minimizes thermal impedance
- Includes an OEM-grade wiring harness for straightforward installation
Maintain Your V-Twin's Power
A failing voltage regulator can lead to a dead battery, dim lights, and other electrical issues. This Harddrive regulator is an essential component for any 1989-1999 carbureted Harley, ensuring your charging system operates at its peak. It's a solid choice for riders looking for a durable and efficient replacement part that will keep their motorcycle powered up for every mile.
Specifications
- Brand: Harddrive
- Manufacturer Part #: H1988
- UPC: 191361170027
- Dimensions: 5.3 in L × 5.3 in W × 3.3 in H
- Weight: 0.88 lbs
- Country of Origin: China (Mainland)
Common questions
Will this regulator fit my 1989-1999 Harley V-twin?
Yes, this Harddrive regulator is designed as a direct replacement for 1989-1999 carbureted (non-EFI) Harley-Davidson V-twin models.
Does this regulator work on fuel-injected Harleys?
No, this regulator is specifically for non-EFI (carbureted) models only. Fuel-injected bikes require a different regulator.
What does this regulator do for my motorcycle?
This regulator controls the charging voltage from your alternator to keep the battery properly charged without overcharging, which protects your battery and other electrical components.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Electrical |
| SKU | 820-60124 |
| WEIGHT | 0.88 lb |
