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