Durable Emissions Solution for Volvo / Mack D13 / MP8: OEM DEF Head Unit
What is it?
The Volvo/Mack D13/MP8 DEF Head Unit integrates into the SCR (Selective Catalytic Reduction) system of Volvo and Mack vehicles equipped with D13 or MP8 engines. It manages Diesel Exhaust Fluid (DEF) injection into the exhaust stream to reduce NOx emissions, while onboard sensors monitor fluid level, temperature, and pressure to maintain reliable SCR performance—even under extended highway or heavy-haul use.
Why choose this OEM DEF Head Unit?
Designed specifically for Volvo and Mack applications with D13 or MP8 engines, this DEF Head Unit installs directly into the factory ECM and wiring setup—no modifications required. It eliminates dosing inconsistencies, DEF-related fault codes, and SCR-related engine derates typically seen with aftermarket replacements. Trusted for commercial durability, it supports emissions compliance and fleet uptime.
Key Benefits
✅ Drop-in OEM compatibility for Volvo/Mack D13 and MP8 platforms
✅ Steady DEF delivery meets aggressive NOx reduction requirements
✅ Sensor-monitored fluid level, temperature, and pressure for system integrity
✅ Built to resist DEF crystallization, thermal cycles, vibration, and moisture
✅ Reduces risk of SCR errors, limp-mode incidents, and costly downtime
Applications
Ideal for Volvo and Mack medium- and heavy-duty chassis powered by D13 or MP8 engines. This DEF Head Unit ensures effective emissions control in regional haul, vocational fleets, and long-distance service applications.
Installation Notes
Cut off power and depressurize the DEF system before installation. Clean the DEF tank and all related connections to clear residue or crystallization. Mount the head unit using OEM connector fittings and secure all fluid and electrical lines firmly. After installation, clear diagnostic codes and validate DEF dosing and sensor accuracy with a diagnostic scan tool.
Final Thoughts
When Volvo or Mack vehicles with D13 or MP8 engines start reporting DEF system faults, dosing issues, or SCR errors, this OEM DEF Head Unit offers a reliable solution. Designed for seamless fit, emissions compliance, and fleet durability—available now at Tamerx to keep your trucks moving strong and clean.