ISF3.8 Cummins Doser Fluid Supply Module 4387658 Parts Catalog Ref No. Part Name Part No. Required Doser Fluid Supply Module 4387658 1 Male Connector 2880299 1 Male Connector 2880300 1 O-Ring Seal 2880302 3 Filler Cap 2880396 1 Male Connector 4387659 1 Filter Screen 5305270 1 Filter Support 5305271 1 Above is the introduction of the 4387658 Cummins Doser …