Truck-Lite 21200Y – Super 21 Incandescent Yellow Rectangular 1-Bulb Marker Clearance Light (2-Screw Mount, Super 21 Plug, 12V, 2" x 6")

Maintain peak on-road visibility and stay DOT-compliant with the Truck-Lite 21200Y Super 21 Incandescent Yellow Rectangular Marker Clearance Light. Highly regarded as an industry standard for heavy-duty fleets, this 2" x 6" rectangular lamp provides exceptionally bright, consistent amber/yellow illumination. It is carefully engineered to meet rigorous FMVSS 108 PC and P2 standards, allowing it to function flawlessly as both a clearance and a marker light for commercial vehicles.

Constructed with a dependable 1-bulb configuration housed within a rugged, sealed ABS and acrylic body, this lamp relies on a traditional 2-screw surface mount setup. It connects effortlessly using an integrated Super 21 plug, offering fleet managers and owner-operators a direct-fit replacement solution for utility trailers and commercial trucks.

Built to endure severe over-the-road environments, the Truck-Lite 21200Y utilizes a fully sealed lens-to-housing design that effectively locks out water, moisture, and fine road debris. This premium sealing prevents premature bulb failures caused by internal corrosion. The high-impact ABS housing and durable acrylic lens are molded to withstand heavy chassis vibration and extreme seasonal temperatures. When paired with appropriate extension brackets, this lamp serves as an exact replacement for Utility Trailer part number #03-5100-0-097/8, making it an essential component for everyday trailer repairs.