Koito 7440 21W T20 Wedge Base Automotive Halogen Bulb

The Koito 7440 is a high-quality 21-watt halogen automotive bulb manufactured in Japan. This single-filament T20 wedge base bulb operates on 12 volts and is designed as a direct replacement for various lighting applications including turn signals, brake lights, tail lamps, backup lights, and high-mount stop lights.

Key Features:

• 21 watts power output for reliable illumination
• 12-volt electrical system compatibility
• T20 wedge base design with W3x16d socket configuration
• Single-filament incandescent halogen construction
• Manufactured in Japan by Koito, a trusted OEM supplier
• Direct replacement for multiple automotive applications

Cross-Reference Numbers: Compatible with 992, 992A, 7440AL, 7440NA, 7440A, 7440LL, 7440ST, 7441, P21W, W21W, WY21W, T20, and 7504. This bulb provides reliable performance for Japanese and other import vehicles requiring standard 7440 bulbs.