DS-272191 Hydraulic Brake Light Switch for Harley Touring Dyna Sportster

Product Overview

This hydraulic brake light switch activates the brake light when hydraulic pressure is applied, providing reliable signaling for Harley Touring, Dyna, and Sportster motorcycles. It is a direct OEM replacement part number DS-272191, designed to restore proper brake light function. Riders and mechanics can use this switch to ensure safety and compliance on the road.

Key Features & Performance

• Hydraulic actuation provides instant brake light response
• Direct fit – no wiring modifications or adapters required
• Corrosion-resistant materials withstand weather and road grime
• Meets OEM electrical and pressure specifications for reliable operation
• Simple plug-and-play installation with standard connectors

Fitment & Compatibility

• Harley Touring models (e.g., Road King, Street Glide, Electra Glide)
• Harley Dyna models (e.g., Super Glide, Street Bob, Fat Bob)
• Harley Sportster models (e.g., Iron 883, Forty-Eight, Roadster)

Common Uses

• Replace faulty or intermittent brake light switches on Harley motorcycles
• Restore brake light function after switch failure during inspection or riding
• Used in maintenance and repair of Harley hydraulic brake systems

Technical Specifications

• Part Number(s): DS-272191
• Type: Hydraulic Brake Light Switch
• Application: Harley-Davidson Motorcycles

Frequently Asked Questions

Q: Will this switch work on my 2005 Harley Dyna? A: Yes, the DS-272191 is compatible with many Dyna models from the mid-2000s; verify your specific model’s brake line fitting size.

Q: Do I need to bleed the brakes after installing this switch? A: Yes, because the switch is part of the hydraulic circuit, you should bleed the brake system after installation to remove air.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.