---
product_id: 798146598
title: "ET4 Communication Adapter3 478-0235 538-5051 317-7485 Diagnostic Tool for Caterpillar CAT Truck Excavator Scanner with 2025ET Software and SIS Software (2025ET+SIS+ET4+Laptop (CF54))"
brand: "slyqmc"
price: "€ 2476.67"
currency: EUR
in_stock: true
category: "Slyqmc"
url: https://www.desertcart.com.cy/products/798146598-et4-communication-adapter3-478-0235-538-5051-317-7485-diagnostic
store_origin: CY
region: Cyprus
---

# Ethernet cable boosts speed 10x Full-spectrum diagnostics & ECU tuning Fast USB comms, Win10 64-bit optimized ET4 Communication Adapter3 478-0235 538-5051 317-7485 Diagnostic Tool for Caterpillar CAT Truck Excavator Scanner with 2025ET Software and SIS Software (2025ET+SIS+ET4+Laptop (CF54))

**Brand:** slyqmc
**Price:** € 2476.67
**Availability:** ✅ In Stock

## Summary

> ⚙️ Diagnose smarter, not harder—unlock CAT machine mastery today!

## Quick Answers

- **What is this?** ET4 Communication Adapter3 478-0235 538-5051 317-7485 Diagnostic Tool for Caterpillar CAT Truck Excavator Scanner with 2025ET Software and SIS Software (2025ET+SIS+ET4+Laptop (CF54)) by slyqmc
- **How much does it cost?** € 2476.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/798146598-et4-communication-adapter3-478-0235-538-5051-317-7485-diagnostic)

## Best For

- slyqmc enthusiasts

## Why This Product

- Trusted slyqmc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **24/7 Expert Support:** Professional technical assistance with guaranteed 24-hour response keeps your operations uninterrupted.
- • **Next-Level Calibration:** Advanced tests like cylinder cutout and PRV system calibrations ensure peak machine performance.
- • **Lightning-Fast Diagnostics:** ET4’s enhanced Ethernet cable slashes programming time by 10x—get back to work faster.
- • **Comprehensive Machine Mastery:** From fault code reading to EFI engine maintenance, cover every critical system with precision.
- • **Seamless Software Integration:** Comes preloaded with 2025ET and SIS software, fully compatible with Windows 7/8/10 (Win10 64-bit recommended).

## Overview

The ET4 Communication Adapter with 2025ET and SIS software is a cutting-edge diagnostic tool designed for Caterpillar trucks and excavators. Featuring ultra-fast USB and Ethernet communication, it supports comprehensive fault detection, ECU programming, and advanced calibration tests. Optimized for Windows 10 64-bit, it delivers professional-grade diagnostics with expert support, dramatically reducing downtime and boosting maintenance efficiency.

## Description

ET4 Communication Adapter3 478-0235 538-5051 317-7485 Diagnostic Tool for Caterpillar CAT Truck Excavator Scanner with 2025ET Software and SIS Software

## Features

- 🚀 ET4 with 2025 ET Software – Comes with the new version of ET software, equipped with fast USB communication. Fully compatible with Windows 7/8/10 (recommended: Win10 64-bit Professional for best stability).
- 🔧 Powerful Diagnostic & Maintenance Functions – Supports fault code reading, data analysis, throttle calibration, timing calibration, hydraulic flow matching, computer board programming, ECU configuration modification, and EFI engine maintenance.
- 🛠 Advanced Calibration Tests – Includes cylinder cutout test, overrun test, rotary test, and PRV system calibrations (main pump control pressure, power shift, cooling fan, and optional valve flow control) for comprehensive machine maintenance.
- ⚡Note：The difference between the ET4 Ethernet version and the ET4 standard version is that the enhanced Ethernet cable can speed up the efficiency, save more time in detection and programming, allow the fa-ult problem to be solved quickly, and also allow the programming to reduce the time by at least 10 times. It has time value.
- 📱 Reliable After-Sales Service – We provide professional technical support. If you encounter any problems using the product, simply contact us. Our customer service team will respond within 24 hours to help you solve your issue.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FP2G74Z9 |
| Brand | SLYQMC |
| Date First Available | 28 August 2025 |
| Item model number | 2025ET+SIS+ET4+Laptop (CF54) |
| Manufacturer | SLYQMC |
| Manufacturer Part Number | ET4 |
| Model | ET4 |

## Product Details

- **Automotive Fit Type:** Universal Fit
- **Brand:** SLYQMC
- **Operating system:** Windows 10
- **Power source:** Corded Electric
- **Screen size:** 1 Inches

## Images

![ET4 Communication Adapter3 478-0235 538-5051 317-7485 Diagnostic Tool for Caterpillar CAT Truck Excavator Scanner with 2025ET Software and SIS Software (2025ET+SIS+ET4+Laptop (CF54)) - Image 1](https://m.media-amazon.com/images/I/81FhYEgaKpL.jpg)

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**Shop now:** [https://www.desertcart.com.cy/products/798146598-et4-communication-adapter3-478-0235-538-5051-317-7485-diagnostic](https://www.desertcart.com.cy/products/798146598-et4-communication-adapter3-478-0235-538-5051-317-7485-diagnostic)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-03*