Mack DPF : OEM 21905492

High-Quality Emissions Filtration for Mack Diesel Trucks

What Is It?

The Diesel Particulate Filter (DPF) OEM 21905492 is a direct-fit component designed for Mack diesel engines. Its primary role is to trap soot and particulate matter from the exhaust system, ensuring that the vehicle meets emissions standards while maintaining consistent engine operation.

Why Choose OEM 21905492?

Manufactured to Mack's original equipment standards, this DPF delivers precise fitment, reliable filtration, and integration with your vehicle's emissions control system. It supports effective regeneration, minimizes fault codes, and helps extend service intervals by keeping exhaust output cleaner.

Key Benefits

✅ OEM Fit for Mack Diesel Systems: Engineered for seamless installation in compatible Mack trucks
✅ Efficient Soot Filtration: Traps fine particulates to reduce exhaust pollution
✅ Thermal Durability: Designed to withstand repeated high-temperature regeneration events
✅ Sensor-Compatible: Includes ports for OEM temperature and pressure sensors
✅ Emissions Compliance Ready: Supports EPA and CARB diesel emissions standards

Applications

This DPF is used across various Mack models equipped with compatible diesel engines and emissions systems. It’s ideal for fleet vehicles in construction, refuse, municipal, or long-haul applications where dependable emissions control is crucial.

Installation Notes

A certified technician should complete the installation. Be sure to inspect all clamps, mounting hardware, and sensors. After installation, reset the DPF tracking system with Mack-compatible diagnostic tools and verify regeneration readiness. A manual regen may be necessary to bring the system back online.

Final Thoughts

The OEM 21905492 DPF is a reliable emissions system replacement for Mack diesel platforms. Built to handle tough duty cycles while maintaining emissions integrity, it’s a solid choice for keeping your trucks compliant and on the road.