Universal Parts

12V 35/35W BA20D Halogen Headlight Bulb

SKU 138-59
$46.00 Sold out
Shipping calculated at checkout.

Expected back in stock: Sep 25, 2026

Description

12V 35/35W halogen headlight bulb with BA20D double-contact bayonet base — clear conical glass envelope, silver cylindrical metal collar with two offset bayonet pins and two rectangular locking tabs. The BA20D base is the most common headlight socket found on 50cc to 250cc full-size scooters from virtually all major manufacturers. 35W high beam / 35W low beam. Available individually or in sets of 10. SKU: 138-59 | MPN: BA20D.

Key Features:

  • 12V 35/35W halogen — 35W high beam / 35W low beam dual-filament
  • BA20D double-contact bayonet base — two offset bayonet pins with rectangular locking tabs
  • Clear conical glass envelope with silver cylindrical metal base collar
  • Most common headlight socket on 50cc–250cc full-size scooters — broad cross-brand compatibility
  • Available individually or in sets of 10 — select quantity from the drop-down
  • SKU: 138-59 | MPN: BA20D | Sold by Universal Parts

Specifications:

  • Brand: Universal Parts
  • SKU: 138-59 | MPN: BA20D
  • Voltage: 12V
  • Wattage: 35/35W (dual filament — high/low beam)
  • Base type: BA20D (double-contact bayonet)
  • Bulb type: Halogen
  • Glass: Clear conical envelope
  • Weight: 0.35 lbs (per set)
  • Made in China

Compatibility:

Fits most 50cc to 250cc full-size scooters using a BA20D headlight socket, including models from Genuine, Kymco, SYM, TGB, Lance, Aprilia, Honda (PCX excluded), Yamaha, and most Chinese-made scooters. Verify your existing bulb's base type before ordering.

Product Diagrams
Features
  • 12V 35/35W dual-filament halogen — 35W high beam / 35W low beam (SKU: 138-59)
  • BA20D double-contact bayonet base — two offset bayonet pins with rectangular locking tabs
  • Clear conical glass envelope with silver cylindrical metal base collar
  • Most common headlight socket on 50cc–250cc full-size scooters — broad cross-brand compatibility
  • Available individually or in sets of 10 — select quantity from drop-down | MPN: BA20D
Specifications

Brand: Universal Parts | SKU: 138-59 | MPN: BA20D | Voltage: 12V | Wattage: 35/35W | Base: BA20D double-contact bayonet | Type: Halogen | Glass: Clear conical | Weight: 0.35 lbs | Origin: China

Model Fitments

Fits most 50cc to 250cc full-size scooters with BA20D headlight socket | Compatible with Genuine, Kymco, SYM, TGB, Lance, Aprilia, Honda (many models), Yamaha, and most Chinese-made scooters | Verify base type before ordering

  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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