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The GROTE BD998587 is a 4-inch LED stop, turn, and tail light designed for commercial vehicle and trailer lighting applications. This red LED unit combines three critical lighting functions into a single compact housing, reducing wiring complexity and mounting points on the vehicle. LED technology delivers faster response time than incandescent lamps and draws lower current, which reduces load on the vehicle electrical system. Licensed vehicle electricians and fleet maintenance technicians are the typical installers for this type of lighting component.
This light is suited for use on trailers, trucks, and other commercial or utility vehicles where a compact multi-function rear lighting solution is required. The 4-inch form factor makes it appropriate for applications where space is limited along the vehicle body or trailer rail. It is commonly installed as part of a compliant rear lighting cluster on both new builds and replacement service work.
Designed as an OEM-style replacement or direct-fit stop, turn, and tail light for commercial trucks, trailers, and utility vehicles requiring a 4-inch rear LED lighting unit.
Installation should be performed by a qualified vehicle electrician or fleet maintenance technician familiar with FMVSS lighting requirements. Disconnect vehicle power before beginning any wiring work. Ensure the mounting surface is clean and that all electrical connections are properly sealed against moisture intrusion. Verify that the replacement unit matches the required voltage and function configuration of the existing circuit before completing the install.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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