Tek Automotive P21/5W 334 Truck & Lorry Bulbs 24V 21/5W Brake Stop Tail Light (BAY15d) Road Legal E Approved, Twin Pack

DUAL-FILAMENT VISIBILITY – Each P21/5W bulb in this twin pack features a dependable dual-filament design that delivers consistent tail illumination and a bright brake signal, helping improve visibility and safety for lorries and trucks travelling in varied road conditions. ACCURATE BAY15D CONNECTION – Manufactured with precisely staggered pins for a true BAY15D fit, these bulbs install securely and provide stable electrical contact, reducing flicker, vibration issues and downtime for commercial vehicles that operate daily across long routes. E-MARKED AND ROAD-LEGAL – Every bulb is fully E-marked to meet essential road-legal regulations, giving drivers and fleet operators confidence that the lighting output remains compliant, reliable and safe for professional use in demanding commercial environments. HEAVY-DUTY 24V BUILD – Designed for 24V systems commonly found in trucks, lorries and industrial vehicles, these bulbs use durable materials that withstand voltage fluctuations and vibration, helping extend their service life and reduce the need for frequent replacements. CONVENIENT TWIN PACK – Supplied as a practical twin pack, this set provides a cost-effective way to keep essential spares on hand for quick roadside repairs, routine workshop maintenance or fleet support, ensuring vehicles can remain operational with minimal interruption.