Replacement for 1003343 USHIO Halogen - MR16 Shape GX5.3 Base 50W 12V

When the lamp in your commercial, medical, and specialty halogen lighting application reaches end of life, this compatible replacement for the 1003343 by USHIO gets you back up and running. It matches the original at 50W, 12V, MR16 form factor with a GX5.3 bi-pin base for a direct fit.

This lamp combines compact size, high output, and excellent color rendering in a package suited for track lighting, recessed cans, pendants, and wall sconces. It maintains stable lumen output and color temperature over its rated life, keeping spaces looking their best from installation to replacement. It handles the thermal demands of enclosed and recessed fixtures.

Key Features & Benefits

• GX5.3 bi-pin base for secure installation in compatible fixtures.
• MR16 bulb shape for broad fixture compatibility.
• Operates at 50W, 12V to match standard low-voltage circuits.

Product Specifications

• Wattage: 50W
• Voltage: 12V
• Base Type: GX5.3
• Bulb Shape: MR16
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Commercial and retail display lighting
• Architectural cove and accent installations
• Office and workspace general illumination
• Residential decorative and task lighting
• Landscape and low-voltage outdoor 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.