The OSRAM ORIGINAL METAL BASE T4W is a compact 4-watt halogen auxiliary lamp designed to OEM quality for vehicles using the T4W / BA9s bayonet base. Its small tubular form makes it a perfect fit for indicator tell-tale lights on the dashboard, side-marker lights, courtesy lights, and registration plate lamps on older vehicle models.

Manufactured by OSRAM to ECE R37 standards, this bulb offers a dependable, cost-effective replacement that installs in seconds and is ready to use straight from the pack.

Key Features

• OEM-quality halogen replacement for T4W / BA9s applications
• Compact tubular design fits tight lamp housings
• Robust metal BA9s cap for a secure, vibration-proof connection
• ECE R37 approved for road-legal use in Europe
• Suitable for dashboards, side markers, courtesy lamps, and registration plates
• No modification needed — direct drop-in replacement

Product Benefits

• 35 lm clear output for precise indicator and courtesy lighting
• Long service life of up to 1200 h (Tc), reducing replacement frequency
• Metal base resists loosening and corrosion for lasting reliability
• Trusted OSRAM quality used by vehicle manufacturers worldwide
• Affordable OEM-grade performance without compromise

Technical Specifications

• Bulb Type: T4W
• OSRAM Part Number: 3893
• Voltage: 12 V
• Wattage: 4 W
• Luminous Flux: 35 lm
• Base / Cap: BA9s (single contact bayonet)
• Colour: White / Clear
• Length: 27.4 mm
• Diameter: 8.8 mm
• Lifespan: ~1200 h (Tc)
• Quantity in Pack: 1
• EAN: 4050300838489

Why You'll Love It

Small in size but built to the same exacting standards as all OSRAM originals, the T4W 3893 is the go-to choice when you need a fast, reliable fix for an indicator tell-tale, side marker, or courtesy light. Keep a few in your toolkit and you'll never be without when that tiny bulb finally gives out.