Harddrive Handlebar Switch Black - Harley & Indian V-Twin
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 handlebar switch in black offers a direct replacement for your V-twin's original equipment. It's designed to restore essential controls like lights, horn, and the engine kill switch with a factory-matched look.
Why riders pick this
- Direct OEM replacement for a perfect fit
- Sleek black finish matches stock controls
- Controls lights, horn, and engine kill
- Engineered for Harley and Indian V-twin motorcycles
When your stock handlebar switch starts to fail, this Harddrive unit provides a reliable solution. Finished in black to blend seamlessly with your existing controls, it ensures you regain full command over critical functions on your Harley or Indian V-twin. Expect a drop-in fitment that simplifies the replacement process.
Essential Controls, Factory Look
- Direct OEM replacement for factory part 51590-96
- Classic black finish for a cohesive aesthetic
- Engineered for V-twin motorcycle applications
- Restores light, horn, and engine kill switch functions
Straightforward Replacement
Designed for ease of installation, this Harddrive switch allows you to swap out your old, worn-out unit without complex modifications. It's a solid choice for riders who prioritize dependable performance and a clean, factory-style appearance for their handlebar controls.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 371004
- UPC: 191361080043
- Length: 3.3 in
- Width: 3.2 in
- Height: 1.2 in
- Weight: 0.1 lbs
- Country of Origin: China (Taiwan)
Common questions
Does this replace OEM part 51590-96?
Yes, this Harddrive switch is a direct replacement for OEM part 51590-96.
Will this fit my Harley or Indian?
This switch is engineered for V-twin motorcycles. Please confirm your bike's OEM switch part number matches 51590-96 before ordering to ensure compatibility.
Do I need any special tools to install this?
Installation difficulty can vary by bike and existing switch condition. We recommend consulting your service manual for specific removal and wiring instructions for your model.
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 | Switches |
| SKU | 820-50879 |
| WEIGHT | 0.1 lb |