Osram 3893.TP T4W 12V 4W BA9s Automotive Signal Bulb Twin Pack

The Osram 3893.TP is a twin-pack of T4W auxiliary signal bulbs engineered to OEM standards for reliable, factory-quality replacement lighting. Using a BA9s miniature bayonet base, these 12V 4W bulbs are a direct, plug-and-play replacement for a wide range of automotive signal lighting applications.

Key Features:

• Bulb Type: T4W (ECE Category T4W)
• Base Type: BA9s (Miniature Bayonet, also known as 233)
• Voltage: 12V nominal (13.5V test voltage)
• Wattage: 4W
• Luminous Flux: 35 lm (±20%)
• Bulb Diameter: 8.8 mm
• Bulb Length: 27.4 mm
• Rated Service Life: Up to 1,200 hours (Tc)
• Weight per Bulb: 1.86 g
• E1 Approved – fully road legal and ECE Regulation 37 compliant
• Quantity: Twin pack (2 bulbs)

Applications include:

• Position and parking lights
• Indicator, brake, fog, and reversing lights
• Number plate and side marker lights
• Instrument panel and switch lighting

Part of Osram's Original Line, the 3893 has been fitted as standard equipment and used as an OEM spare part in millions of vehicles from leading manufacturers worldwide. The twin-pack format ensures you always have a backup on hand. Cross-reference: T4W / 233.