Eliminate aftertreatment problems on your Cat C3.8 Stage V engine with this Plug & Play DPF & DEF Repair Kit.

Designed specifically for CAT C3.8 common-rail engines equipped with Diesel Particulate Filter (DPF) and SCR/DEF systems, this hardware solution completely eliminates DPF and DEF-related issues including forced regeneration, DEF faults, NOx sensor errors, warning lights, engine derate, and power loss.

Built using industrial-grade electronics, the module is fully waterproof and engineered for long-term reliability in the toughest construction environments. Installation takes only minutes and requires no ECU programming, software, or dealer diagnostic tools.

The CAT 299D2 is equipped with the CAT 3.8 Stage V engine utilizing a DPF + SCR (DEF) emissions system to meet EPA Stage V standards.

🛠️ Installation – Quick and Easy

🔧 Install the DPF & DEF repair module

🔌 Disconnect NOx sensors and ACM

🧱 Remove or drill out the DPF filter

No ECU programming or software modifications required.

✅ Key Features

✔ Completely disables DPF and DEF systems

✔ Eliminates forced regeneration cycles

✔ Removes DPF, DEF and SCR warning lights

✔ Prevents engine derate and limp mode

✔ Plug & Play installation

✔ No ECU programming required

✔ Waterproof industrial-grade housing

✔ Built for heavy-duty construction equipment

✔ Proven long-term reliability

🔧 Emulated Components

• Diesel Particulate Filter (DPF)
• Diesel Exhaust Fluid (DEF) System
• SCR (Selective Catalytic Reduction)
• ACM / Aftertreatment Control Module
• NOx Sensors (Upstream & Downstream)
• DEF Tank Level Sensor
• DEF Tank Temperature Sensor
• DEF Pump Module
• Exhaust Temperature Sensors
• DPF Differential Pressure Sensor
• DPF Regeneration Logic

🚜 Compatible Models

• CAT 299D2
• CAT 299D3

(Only machines equipped with the CAT C3.8 Stage V engine with DPF + DEF emissions system.)