Detroit Diesel DPF Pressure Sensor | A4721531028

Upgrade your emissions system with this DPF pressure sensor for Detroit Diesel engines, a direct aftermarket replacement for OEM part A4721531028 (also replaces 4721531028, 3FL006, and others). Designed to meet or exceed OEM performance standards, this sensor plays a critical role in monitoring differential pressure across the diesel particulate filter, ensuring accurate DPF regeneration cycles, reduced emissions, and improved fuel efficiency.

Compatible with Detroit Diesel DD13, DD15, and DD16 engines, this sensor features a rugged, corrosion-resistant build for reliable operation under extreme temperatures and high-vibration environments. Whether you're maintaining fleet vehicles, performing engine diagnostics, or replacing a failed sensor, this unit installs easily with OEM-style connectors and precise fitment.

Rated for a pressure range of 0–8 PSI and built to handle burst pressures up to 40 PSI, it’s ideal for use in EPA10, EPA14, and EPA17 engines. Backed by a 1-year warranty, this DPF sensor offers long-term durability and dependable performance at a fraction of OEM prices.

Buy with confidence from American Radiator — your trusted source for quality aftermarket parts for heavy-duty diesel engines.