Replacement for Satco S8163 - 55W, Cool White, 4-Pin Base

This 55-watt circline tube replaces the Satco S8163. The circular form factor provides even, shadow-free illumination across the fixture face. Features a 2GX13 4-pin base.

Producing 4200 lumens, this lamp provides powerful illumination suited to large commercial and industrial spaces. The 4100K cool white color temperature produces light that feels clean and professional - ideal for task-oriented spaces. With 82 CRI, colors render naturally - meeting the standard expected in professional environments.

Key Features & Benefits

• Cool 4100K Color: Bright, productive illumination.
• 4200 Lumen Output: Reliable brightness for the rated wattage.
• 82 CRI: Good color rendering for natural appearance.
• 2Gx13 4-Pin Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: S8163
• Wattage: 55 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 4200
• CRI: 82
• Base: 2GX13
• Shape: T5
• Condition: Brand New

Common Applications

This circular fluorescent is commonly found in:

• Ceiling Fixtures
• Bathroom Vanities
• Kitchen Lighting
• Decorative Fixtures

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.