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Peterbilt NAMUX2 Harness - 10 to 11 - Detroit DDEC3/4 with Processor - 387 ONLY - 2
SKU: 19305029-2
$4,250.00 -
Peterbilt NAMUX2 Harness - 10 to 11 - Detroit DDEC5 with Processor - 387 ONLY - 2
SKU: 19305021-2
$3,950.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Cat ADEM2 40 Pin with Processor - 387 or 587 ONLY - 2
SKU: 19105026-2
$4,250.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Cat ADEM2000 70 Pin - 387 or 587 ONLY - 2
SKU: 19105023-2
$2,950.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Cummins Celect Plus with Processor -387 or 587 ONLY - 2
SKU: 19205034-2
$4,250.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Cummins ISX CM870 - 387 or 587 ONLY - 2
SKU: 19205045-2
$2,950.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Cummins ISX CM871 - 387 or 587 ONLY - 2
SKU: 19205044-2
$2,950.00 -
Peterbilt NAMUX2 Harness - 11 to 12 - Detroit DDEC3/4 with Processor - 387 or 587 ONLY - 2
SKU: 19305020-2
$3,950.00 -
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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.