Lathsy LED Tail Light for Ford F-150 2018-2020 Passenger Side — Direct-Fit, Sealed Plug-and-Play

The Lathsy LED tail light is a direct-fit passenger-side replacement for 2018–2020 Ford F‑150 trucks, matching OE fitment and offering sealed, plug-and-play installation.

If your Ford F‑150 needs a reliable passenger-side taillight, this Lathsy LED assembly is engineered to match the 2018, 2019 and 2020 F‑150 body lines and electrical connections. It replaces OE number KL3Z13404B and ships ready for a straightforward swap into the existing socket. The unit preserves factory mounting points and connectors so you can restore rear lighting appearance and function without major modification.

How does this taillight match my 2018–2020 Ford F‑150?

The lens, housing, and mounting points are manufactured to the same dimensions as the original equipment it replaces, ensuring correct alignment with the truck’s rear panel. The connector is preinstalled to fit the factory wiring harness for a seamless electrical match.

• Direct compatibility with 2018, 2019, 2020 Ford F‑150 passenger side
• Replaces OE number KL3Z13404B for like-for-like fit
• Factory-style mounting points and dimensions
• Prewired connector to mate with the stock harness

Is installation difficult and what tools will I need?

Installation is designed to be quick and simple when you have basic hand tools; the assembly includes the bulb and direct plug-and-play connector. No printed instructions are included, so we recommend watching an installation video or using a professional if you're unfamiliar with vehicle lighting swaps.

• Typical install time: minutes for someone with basic experience
• Requires common hand tools (screwdriver, socket set)
• Unit includes bulb and factory-style plug for easy connection
• Professional installation suggested if unsure

Will the taillight resist moisture and harsh weather?

Lathsy designs this assembly with sealed housing to minimize water ingress and fogging in normal driving conditions. The improved sealing helps protect the internal components and lens clarity over time.

• Weather-resistant seal around the lens and housing
• Designed to reduce fogging and internal moisture buildup
• Durable materials built for road-use and exposure

What warranty and support does Lathsy provide?

This taillight includes a two-year warranty covering manufacturing damage or failures caused during shipping. Lathsy offers replacement support if the unit arrives damaged or does not function as expected out of the box.

• Two-year limited replacement warranty
• Customer support for shipping damage or initial defects
• Replacement units provided if covered issues occur

Who this is for: Vehicle owners of 2018–2020 Ford F‑150 models who need a passenger-side taillight that restores factory fit and function without extensive modification. Ideal for DIY mechanics familiar with basic vehicle repairs, body shops replacing damaged rear lighting, and fleet managers seeking direct-fit replacements that match OE specifications. If you prefer professional installation, this assembly’s plug-and-play design simplifies the technician’s job and minimizes downtime.