17.9 Watt miniature - S8 - 500 Average rated hours - Double Contact Pre-focus Flanged base - 6.5 Volt

Precision Lighting for Specialized Performance

When your equipment demands exact light placement and reliable output, the SATCO 17.9 Watt S8 Miniature bulb delivers. Engineered with a unique Double Contact Pre-focus Flanged base, this bulb is designed for applications where the filament position is critical. Whether you are maintaining vintage machinery or specialized signaling equipment, the pre-focus design ensures that light is directed exactly where your optics need it most, eliminating the guesswork of standard bulb replacements.

Operating at 6.5 volts, this incandescent lamp is a staple for niche power systems often found in classic automotive restoration, marine instrumentation, and industrial indicator housings. The clear S8 bulb shape provides a crisp, unfiltered light output of 23 lumens, offering the visibility required for safety and operational monitoring.

• Precise Alignment: The Double Contact Pre-focus (P15d30A) base ensures the filament is perfectly positioned within your reflector or lens for maximum optical efficiency.
• Voltage Specific: Optimized for 6.5V systems, making it the ideal replacement for older vehicle electrical systems, tractors, and specialized battery-operated tools.
• Reliable Construction: Features a rugged C-6 filament designed to withstand the vibrations often associated with industrial or mobile environments.
• Instant Visibility: Traditional incandescent technology provides full brightness immediately upon activation, ensuring your indicators are seen the moment they are needed.

Keep your critical indicators and vintage headlights functioning at their peak with a bulb built for accuracy. This SATCO miniature lamp provides the consistent 500-hour rated life you need to keep your projects moving forward without frequent maintenance interruptions.