Komatsu DEF Doser Injector 2018-2024: OEM 58F-01-00951

Keep Your Komatsu Emissions System Running Smooth

What Is It?

The OEM 58F‑01‑00951 DEF doser injector is designed to deliver Diesel Exhaust Fluid (DEF) into the Selective Catalytic Reduction (SCR) system in Komatsu diesel engines. For models built between 2018 and 2024, this injector plays a key role in the emission control process by regulating DEF flow into the exhaust stream.

Why Choose OEM 58F‑01‑00951?

This injector is crafted to meet Komatsu’s original specifications, ensuring a consistent fit and accurate function. It communicates effectively with the engine's ECM to deliver the correct amount of DEF under a range of operating conditions—helping you avoid unnecessary downtime or diagnostic issues.

Key Benefits

✅ Fits Komatsu SCR-equipped machines (2018–2024)
✅ Accurately dispenses DEF into the exhaust system
✅ Maintains correct urea spray pattern and flow rate
✅ Compatible with factory wiring and sensor signals
✅ Resists thermal stress and DEF corrosion

Applications

This injector is commonly found in Komatsu heavy-duty equipment such as articulated dump trucks, dozers, excavators, and wheel loaders. It supports the SCR aftertreatment system that helps these machines meet environmental compliance across a variety of job sites and working conditions.

Installation Notes

A certified technician should handle installation. Before replacing the unit, inspect the DEF line and connection points for residue or blockage. Once installed, use Komatsu diagnostics to verify correct operation, clear any system alerts, and run a test cycle or regen if needed.

Final Thoughts

The Komatsu OEM 58F‑01‑00951 DEF doser injector provides the reliability and consistency needed for modern diesel emissions systems. With precise fit and dependable DEF delivery, it helps maintain your equipment’s emissions control system with minimal disruption.