The DIESELR All-In-One Kit for 2019–2021 Ram 2500/3500 Cab & Chassis trucks equipped with the 6.7L Cummins is designed to provide a complete and reliable tuning solution in one package. This system combines the hardware and calibration tools needed for ECM tuning, improved airflow, and optimized performance.

By bundling the essential components into one kit, this package simplifies installation and ensures compatibility between tuning hardware, software, and supporting components.

Overview

This complete tuning system includes the EZ Lynk AutoAgent 3 platform, Dieselr calibration files, supporting airflow components, and exhaust options designed for the 6.7L Cummins platform. The result is a streamlined upgrade path for owners looking to improve drivability, efficiency, and long-term reliability.

All components included in this package are selected to work together as a complete system for the 2019–2021 Cummins platform.

Key Details

• Complete tuning solution for 2019–2021 Ram 6.7L Cummins Cab & Chassis trucks
• Includes EZ Lynk AutoAgent 3 cloud-based tuning platform
• DIESELR EZ Lynk tune files available with support options
• EGR upgrade kit designed for improved airflow and durability
• Exhaust options available in stainless steel or aluminized configurations
• Bundled components designed for compatibility and simplified installation

Compatibility

2019–2021 Ram 2500 / 3500 Cab & Chassis
Engine: 6.7L Cummins Diesel

What’s Included

EZ Lynk AutoAgent 3 – Blank Device
Cloud-based tuning platform allowing remote tune updates, monitoring, and diagnostics.

DIESELR EZ Lynk Tune Files (2019–2021 Cummins)
Available tuning options including:

• Single Tune File
• 4-Week Limited Support option

DIESELR EGR Upgrade Kit
Heavy-duty components designed to improve airflow and support lower operating temperatures.

DIESELR Exhaust Options

Choose between:

• Stainless Steel Exhaust System
• Aluminized Exhaust System

Notes

This kit is designed specifically for Cab & Chassis models of the 2019–2021 Ram 6.7L Cummins platform.
Exhaust material selection may vary depending on configuration chosen during purchase.

Why Choose Dieselr?

Dieselr systems are built around real-world diesel performance needs. Our kits combine proven hardware with professionally calibrated tuning files to ensure compatibility, reliability, and consistent results. Each component is selected to work as part of a complete system so customers can upgrade their trucks with confidence.

Price

Collections

2019-2021 Cummins 6.7L Drivetrain & Transmission

SUNCOAST Cummins 6.7L 68RFE Transmission 2019-2024

DIESELR 6.7L RAM Cummins All-In-One Kit (2019–2021) (Cab & Chassis)