Replacement Light Bulb for SATCO S4377 Commercial Industrial - 100W 4000K E26

Replacement for SATCO S4377 mercury bulbs in existing fixtures needing 100 watts of output with E26 base and 4000K color temperature. This option delivers 4000 lumens while maintaining the E17 shape and white finish required for consistent performance in commercial and industrial settings.

Key Features & Benefits

• Operates at 100 watts with E26 medium screw base for direct fixture compatibility
• Produces 4000 lumens at 4000K color temperature
• E17 shape with white bulb finish
• Rated for 24000 hours of operation
• CRI of 45 for standard color rendering

Product Specifications

• Watts: 100
• Base: E26 MEDIUM SCREW, 1-INCH DIAMETER (E27)
• Color Temp: 4000
• Lumens: 4000
• Shape: E17
• Life: 24000
• CRI: 45
• Bulb Finish: WHITE

Replacement Compatibility

Replaces SATCO S4377 and similar HID fixtures in commercial and industrial applications. Compatible with systems originally using this mercury vapor configuration.

Discover the Perfect Replacement

Browse our selection to locate the exact replacement part matching your fixture requirements and restore proper lighting function without delay.

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.