W4 12V 5W Bulb Capless 501

Description

The W4 12V 5W Capless Bulb (product no. 37556) features a 501 base and is commonly used in side lights, tail lights, and some internal caravan lighting. Designed for reliable, long-lasting illumination, it ensures clear visibility and enhanced safety on the road.

Capless bulbs are easy to install—they connect directly through their glass base, eliminating the need for a metal cap. This design makes them more compact and helps improve electrical contact. In contrast, traditional “capfull” bulbs have a metal base and can be bulkier or harder to fit in tighter spaces.

Key features:

• 12V 5W capless bulb with 501 base
• Suitable for automotive and caravan lighting
• Used in side lights, tail lights, and interior fittings
• Strong, durable construction for dependable performance
• Manufacturer: W4

A convenient replacement bulb to keep your lighting system bright and road-ready.