About this product
Upgrade your bike’s functionality and style with the Deluxe Black Motorcycle Brake Light Switch, designed specifically for Harley-Davidson models from 1937 to 1957, including Knuckleheads, Panheads, and Flatheads. A premium alternative to standard universal switches, this brake light switch ensures reliable performance while adding a touch of vintage appeal.
Key Features:
- Activated by pulling the center pin for precise brake light engagement
- Mounts easily to your frame or rear axle plate for hassle-free installation
- Spring attaches to a small clamp on your brake rod or brake pedal
- Includes replacement parts designated by original Harley-Davidson OEM numbers:
- Brake light switch: 72004-39
- Spring: 72017-39
- Wire clip: 72020-39
- Brake rod lock with stud and wing nut: 42280-35
This Harley brake light switch is a must-have for enthusiasts restoring classic models or building custom rides. Its timeless design and durable construction make it a reliable choice for a variety of setups, from restorations to choppers.
NOTE: There are no returns on carburetors, electrical items, full frames, hardtails or made-to-order items (such as magnetos) unless there is a manufacturer’s defect.
Enhance your ride with this high-quality Harley-Davidson brake light switch. Shop more motorcycle brake light switch options and chopper accessories at Lowbrow Customs today!
Description supplied by Lowbrow Customs through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






