Product Description
Cummins 4329681 DEF doser mounting gasket for compatible diesel exhaust aftertreatment systems, including select ISB, QSB, and QSL engine configurations. Designed to seal the connection between the diesel exhaust fluid (DEF) dosing unit and the aftertreatment assembly, helping prevent exhaust gas leakage during operation.
Features a stamped steel construction with a thermal isolator. The compatible replacement design measures approximately 2.790 inches wide by 2.993 inches high, with a 0.460-inch center opening.
Cross-references include Cummins 5271587 and A046F650, Dinex 5EL119, and Redline Emissions GD0201.
Dinex confirms the 5EL119 cross-reference and compatible ISB4.5, ISB6.7, QSB6.7, F3.8, and QSL9 engines. Redline confirms the stamped steel construction, thermal isolator, and dimensions.
Verify engine serial number, DEF doser configuration, mounting dimensions, and original equipment part number before ordering. Sold individually unless otherwise specified.
