Replacement Bulb for Sylvania 40S11N/BL | 40W S11 | Intermediate Base | High Intensity

Restore the bright, focused light of your high-intensity lamp with our replacement for Sylvania 40S11N/BL Bulb. This 40-watt incandescent lamp features a compact S11 shape and an Intermediate (E17) base, designed specifically for high-intensity reading lamps and specialized appliances.

The compact filament design concentrates light output, making it ideal for desk lamps that require a strong, directed beam for reading fine print or crafting. Its clear glass ensures maximum brightness.

Key Features & Benefits

• High Intensity Output: 40 watts in a small S11 package provides intense, focused light for task work.
• Intermediate Base (E17): Fits the specific socket size found in Tensor lamps and other high-intensity fixtures (check your base size).
• Compact S11 Shape: Small globe fits easily into the small reflector shades of reading lamps.
• Clear Glass: Maximizes light transmission for reading and detail work.
• Dimmable: Fully compatible with the high/low switches found on many intensity lamps.

Product Specifications

• Product Type: Replacement High Intensity Bulb
• Replaces OEM Part #: 40S11N/BL (Sylvania)
• Wattage: 40 Watts
• Voltage: 120V
• Base Type: Intermediate Screw (E17)
• Shape: S11 Globe
• Finish: Clear
• Condition: Brand New

Common Applications

This specialty bulb is designed for:

• High-Intensity Reading Lamps (Tensor style)
• Display Cabinet Lighting
• Appliance Indicators
• Small Accent Fixtures

Read with clarity. Order your Replacement High Intensity S11 Bulb today!

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.