DPFXFIT replacement DOC for Cummins ISX (5509707 / GESI-577) E350 EA0004465954

EA0004465954

This Redline Emissions Products DOC Catalyst Replacement (REP 58812) for Cummins ISC / ISL  is a direct replacement for the OEM number(s) listed below

5654174 is equivalent to 4384570 per Cummins site

166490741480 1664907414 166490901480 1664909014 166490653680 1664906536 166490693680 1664906936 166490893680 1664908936 166490761480 1664907614 166490911480 1664909114

DENSO DC1-0037

DPFXFIT replacement DOC for Cummins ISX (5509707 / GESI-577) E350 EA0004465954This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible parts or returning a core. Can not be sold or shipped to California at this time. OEM Cross References: This