NAMUX2 Harnesses

Explore our NAMUX2 harnesses for 2008–2010 trucks, fitting Peterbilt (365, 367, 384, 386, 388, 389) and Kenworth (T660, T800, W900) models. These complete harnesses feature full CECU-enabled digital multiplexing for gauges and switches over J1939, with standardized firewall plugs suited to Caterpillar, Cummins and Detroit engines. Engineered predominantly for engine conversions offering direct-fit compatibility and superior quality to streamline swaps. Kustom Truck Parts' NAMUX2 solutions deliver dependable communication, reduced installation complexity, and robust performance for heavy-duty builders tackling modern upgrades.
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