Cummins DEF Doser Injector 2021-2024: OEM 5633311

Seamless DEF Delivery: Cummins DEF Doser Injector (2021–2024), OEM 5633311

What is it?
The Cummins DEF Doser Injector (OEM 5633311) is responsible for metering precise amounts of Diesel Exhaust Fluid (DEF) into the SCR system in Cummins engines from model years 2021 to 2024. It ensures the correct dosage of DEF is delivered at the right time to maintain optimal system functionality.

Why choose this OEM DEF Doser Injector?
This injector is calibrated to work flawlessly with Cummins ECMs and DEF system components—no recalibration or adapter installation required. Opting for the OEM version helps prevent dosing errors, SCR warning codes, and potential limp-mode triggers often associated with aftermarket units.

Key Benefits
✅ OEM drop-in fit for Cummins engines (2021–2024)
✅ Ensures clean and accurate DEF dosing under all operating conditions
✅ Includes real-time thermal compensation and flow consistency checks
✅ Designed to withstand high exhaust heat and DEF exposure
✅ Helps reduce SCR-related service interruptions and fault codes

Applications
Ideal for medium- and heavy-duty trucks, construction equipment, and generators using Cummins engines equipped with DEF systems from 2021 to 2024. Delivers reliable DEF dosing during long pauses in operation, heavy-load cycles, and extreme environments.

Installation Notes
Shut off power and depressurize the DEF system before installation. Carefully remove the faulty injector, clean the seat area, and install the new OEM doser using proper seals. After installation, clear any active fault codes and confirm correct DEF flow and dosage via diagnostic tools.

Final Thoughts
If your newer Cummins-powered machine is reporting DEF dosing faults, SCR warnings, or performance interruptions, replacing the component with this OEM DEF Doser Injector delivers a direct and dependable solution. Keep your operations running clean and efficient—stock available now at Tamerx.