yourour Replacement for 558-443 CAN to USB Dongle Communication Cable Fits for Holley EFI, Sniper EFI, Terminator X (8-Feet)
yourour Replacement for 558-443 CAN to USB Dongle Communication Cable Fits for Holley EFI, Sniper EFI, Terminator X (8-Feet)
Description
The 558-443 USB Communication Cable is a precision-engineered solution for Holley EFI systems, including Sniper EFI, Terminator X, HP EFI, and Dominator ECU platforms. Designed for seamless CAN-to-USB communication, this cable eliminates the need for adapters or converters, allowing you to connect directly to your laptop for diagnostics, tuning, and performance optimization. With real-time data streaming and logging, you can instantly monitor engine parameters, troubleshoot issues, and fine-tune your vehicle for maximum efficiency and power. Whether on the dyno, at the track, or during a street build, this cable provides reliable access to your ECU. The 8-foot extended length offers flexibility to operate comfortably from inside your vehicle, while the rugged PVC jacket and molded connectors ensure durability against heat, oil, dirt, and harsh automotive environments. Engineered for plug-and-play simplicity, the 558-443 cable allows you to focus on tuning, not setup. Just connect it to your EFI system, plug the USB end into your laptop, and launch the Holley tuning software. Upgrade your tuning workflow with the Holley 558-443 USB Communication Cable—the reliable, durable, and essential tool for any Holley EFI user.
Item Details
Pickup Location
7440 Dean Martin Dr Suite 204
Las Vegas, NV, 89139
Quality
Auction closes
October 10, 2025 at 4:53 AM
Estimated Retail Price
$24.82
Buyers Premium
15%
Inventory Number
1049790942
Additional Details from the Manufacturer
This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing
brand
yourourweight
0.26 lbsMore features
- Perfect Fitment - Specifically designed as a replacement for partnumber 558-443, compatible with Holley EFI, Sniper EFI, Terminator X, HP EFI, and Dominator EFI platforms. Provides seamless ECU-to-laptop communication without extra adapters
- Live Data Access - Enables direct data logging, code reading, and live engine monitoring. Ideal for dyno tuning, street performance adjustments, or troubleshooting custom builds
- Extra-Long 8-Ft Reach - Extra-long cable provides flexibility to connect your laptop from inside the car, ensuring stable and interference-free communication in high-noise automotive environments
- Durable & Reliable Design - Built with molded connectors and a rugged PVC-jacketed copper cord, resistant to heat, oil, and abrasion. Designed to withstand demanding use in garages, engine bays, and trackside tuning
- Plug-and-Play Simplicity - Easy to install: connect the CAN end to your EFI system and USB to your laptop or PC. Fully sealed against dust and debris, ensuring consistent performance and long service life
- Reliable Customer Support - We are confident in the quality of our products and offer a 30-day money-back guarantee. If you are not 100% satisfied with our products, simply return it for a full-refund. Additionally, we offer premium support and a 1-year warranty for your peace of mind
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