OSRAM Original Line Signal Bulbs W21/5W P21/5W PY21W for Rear Tail Lamp Automotive Lighting System
Precision-engineered for optimal visibility and durability, these OSRAM signal bulbs ensure reliable performance in rear tail lamps. Featuring high-quality tungsten filaments and tempered glass construction, they resist vibration and extreme temperatures for long-lasting use. Designed for seamless compatibility with various automotive lighting systems, these bulbs deliver bright, instant illumination to enhance safety during braking or turning. Ideal for cars, trucks, and motorcycles requiring W21/5W, P21/5W, or PY21W specifications. Backed by OSRAM’s strict quality standards, these bulbs combine advanced German technology with robust materials for superior light output and energy efficiency. Perfect for bulk buyers seeking OEM-grade replacements at wholesale prices.