Replacement Light Bulb for Singer 503A - 120V 15W BA15D Base

Replacement for the Singer 503A delivers the 120V 15W T7 incandescent bulb specified for compatible systems. This clear tubular bulb produces 108 lumens while drawing 0.125 amps and provides 1500 hours of rated life.

Key Features & Benefits

• 15 watt power rating at 120 volts for consistent output
• 108 lumens with clear finish for standard illumination
• 1500 hour life rating under normal operating conditions
• T7 shape with BA15D double contact bayonet base
• 0.125 amp draw matches original electrical requirements

Product Specifications

• Volts: 120
• Watts: 15
• Lumens: 108
• Life: 1500 hours
• Shape: T7, Bulb Finish: Clear

Compatible with Singer 503A and similar equipment requiring this exact replacement bulb configuration.

Discover the Perfect Replacement

Confirm your equipment model and order the correct 120V 15W T7 bulb to restore proper lighting function.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.