Availability: In Stock
The W4 12V 10W single-contact bulb (Part No. 37551) is designed for interior lighting. Featuring a 15mm bayonet (BA15s) base, this bulb has a single contact point, meaning it operates with a single electrical circuit, unlike double-contact bulbs that support dual circuits. Ideal as a replacement or spare, it ensures bright, dependable illumination for caravans and vehicles.
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