Cummins DEF Doser Gasket (Replaces 5418557)

Part Number: HD-C-C8557

PureEmission gaskets provide a direct-fit, cost-effective replacement for heavy-duty exhaust and aftertreatment systems. All components are engineered to meet or exceed OEM specifications. Please refer to the technical details below to confirm measurement and fit.

Product Specifications

Application: Cummins ISX/QSX engines

Material: Stainless steel

OEM Reference: 5418557, 4387978