1″ x 4″ Sealed Incandescent Lamp

Ensure your vehicle remains compliant and visible in all conditions with the Uni-Bond SE1040R 1″ x 4″ Sealed Incandescent Lamp. Designed specifically for heavy-duty truck and trailer applications, this red clearance marker lamp provides a dependable safety solution that stands up to the rigors of the road. The lamp features a fully sealed construction, protecting the internal incandescent filament from moisture, dust, and road debris. This hermetic seal prevents premature bulb failure caused by corrosion or vibration, significantly extending the service life of the unit and reducing maintenance downtime. Its classic 1″ x 4″ rectangular profile is a standard industry size, making it an ideal choice for both new installations and quick replacements on existing fleets. Engineered for optimal light dispersion, the high-quality red lens ensures maximum visibility for trailing motorists, enhancing safety during night driving or in low-visibility weather. Whether you are outfitting a commercial semi-trailer or a utility hauler, this lamp delivers consistent performance and a professional finish. Trust Uni-Bond’s commitment to quality and safety—this sealed incandescent lamp is a cost-effective, durable, and essential component for your vehicle’s lighting system. For further technical specifications or bulk ordering, contact our support team toll-free at 1-888-611-9926.