Coiled Electrical Power Cable 30-4321DSP – 12 FT – Alltrux ATX4321

The Alltrux ATX4321 Coiled Electrical Power Cable replaces OEM 30-4321DSP and is designed to provide dependable tractor-to-trailer electrical connectivity for heavy-duty truck applications. This 12-foot coiled cable supplies consistent electrical power for trailer lighting, ABS systems, and auxiliary circuits while maintaining proper tension and flexibility during articulation and coupling operations. Coiled power cables are critical for ensuring uninterrupted electrical communication between tractor and trailer. A high-quality coiled cable helps prevent lighting failures, ABS communication issues, and electrical connection wear caused by constant movement, vibration, and environmental exposure. Replacing worn or damaged cables supports safe trailer operation and reliable electrical system performance. Engineered for commercial fleet and vocational trucking environments, this 12-foot coiled electrical cable delivers durability, flexibility, and consistent electrical transfer for daily hauling operations. Always verify connector style, pin configuration, and cable length requirements prior to installation to ensure proper fitment and dependable service. Key Features Direct replacement for OEM 30-4321DSP Alltrux Part Number: ATX4321 Coiled electrical power cable for tractor-trailer connections 12-foot length for flexible routing and reach Supports trailer lighting, ABS, and auxiliary electrical circuits Coiled design helps reduce cable drag and connection wear Technical Specifications Brand: Alltrux Part Number: ATX4321 OEM Cross Reference: 30-4321DSP Product Type: Coiled Electrical Power Cable System: Trailer Electrical Connection Length: 12 FT Condition: New Aftermarket Application: Heavy-Duty Tractor-Trailer Electrical Systems Cross References OEM: 30-4321DSP ALLTRUX: ATX4321 PHILLIPS: 304321