🚛 OEM Performance — Now Available for the Aftermarket
Peterson’s Kenworth rear tail light harness, PN# MS21-5815-00, is now available to the aftermarket. Designed to deliver the same form, fit, and function as the OEM harness, it provides an exact-fit replacement for 2018–2025 Kenworth T680, T880, and W990 trucks.
Built to support stop, turn, tail, back up, and license light functions, this harness is engineered for reliability in one of the most exposed areas of the vehicle.
🔧 Built for Harsh Rear-Sill Conditions
The rear sill area is constantly exposed to road spray, moisture, and debris. That’s why the Peterson rear tail light harness (MS21-5815-00) is built with MaxiSeal® molded AMP connections and silicone seals to help protect against corrosion and electrical failure — keeping your lighting system secure and dependable over time.
🔌 Plug-and-Play, Factory-Style Design
This harness features factory-style connectors for true plug-and-play installation. No cutting, splicing, or modifications required — making service faster and helping get vehicles back on the road with minimal downtime.
🚚 Designed for Kenworth Applications
Fits 2018–2025 Kenworth T680, T880, and W990 models.
Aftermarket replacement for OEM part number P92-5522-1720.
Assembled in Grandview, Missouri.
About Peterson Manufacturing Company
Founded in 1945, Peterson Manufacturing Company is a world-leading innovator in the design, engineering and manufacturing of a complete line of commercial vehicle/trailer safety lighting and harness systems. With headquarters in the greater Kansas City area, Peterson is a privately held company. An ISO 9001:2015 certified company, Peterson Manufacturing is a key subsidiary of Peterson Corporation, five highly specialized companies and nearly 700 associates working in global transportation-related industries. For more information, visit PMLights.com.
