25193269
DEF Tank Reservoir
Mack

This Diesel Exhaust Fluid (DEF) tank reservoir stores the urea-based fluid required for emissions control systems. Its design ensures chemical compatibility, preventing leaks and contamination that could impair SCR (Selective Catalytic Reduction) performance. Proper storage and handling of DEF are critical for maintaining compliance with emissions regulations and ensuring optimal engine operation. The reservoir’s durable construction withstands vibrations and temperature variations typical in heavy-duty trucks. Regular inspection and timely replacement of this component help sustain emissions system efficiency and prevent costly repairs. Source One Parts Center offers high-quality DEF tanks that meet OEM standards, supporting your vehicle’s environmental compliance and operational reliability.