The LEDVANCE OSRAM Auto Auxiliary Bulb LED SL T4W - BA9s is a quality LED replacement bulb from LEDVANCE OSRAM, one of Europe's longest-established automotive lighting manufacturers. Designed for signal, brake, tail or indicator applications in passenger vehicles, it delivers consistent light output and a long service life with the build quality OSRAM is known for.

This LED upgrade offers brighter, whiter light than traditional halogen alternatives, with significantly lower power draw and a much longer rated lifespan. Plug-and-play replacement using the standard original-equipment base.

Key Features

• LED light source — instantly brighter and whiter than halogen
• Significantly lower power consumption
• Long rated service life vs traditional incandescent
• Plug-and-play fit on standard sockets
• Built by LEDVANCE OSRAM to OEM-grade quality standards

Product Benefits

• Improved visibility on the road for safer driving
• Plug-and-play installation — no specialist tools required
• Trusted brand reduces the risk of premature failure
• Lower current draw extends alternator and battery life

Technical Specifications

• Model: T4W
• Brand: LEDVANCE OSRAM
• Voltage: 12V
• Type: LED Auto Indicator Bulb T4W
• Spec: T4W
• Spec: BA9s

Why You'll Love It

• OSRAM build quality, long supply track record
• Fits without rewiring or any vehicle modification
• Wide vehicle compatibility through universal base type