Shop replacement diesel oxidation catalysts (DOCs). Confirm the OEM part number and engine application before ordering.
DPFXFIT GESI-555 DOC - Volvo/Mack
DPFXFIT GESi-552 DOC - CUMMINS - ISX
DPFXFIT GESi-551 DOC - CUMMINS - ISX
DPFXFIT GESi-556 DOC - CUMMINS - ISC, ISL9, PX8
DPFXFIT GESI-541 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE
DPFXFIT GESI-550 DOC - Cummins/Paccar - ISB/PX6
DPFXFIT GESI-536 DOC - CUMMINS - ISX
DPFXFIT GESI-542 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE 7
DPFXFIT GESI-543 DOC - CUMMINS - ISC & ISL
DPFXFIT GESI-544 DOC - CUMMINS - ISC & ISL
DPFXFIT GESI-534 DOC - VOLVO / MACK - MP7
DPFXFIT GESI-549 DOC - FORD - 2012, 2017-2019 6.2L/6.7L POWERSTROKE CUT OUT / WELD IN UNIT
DPFXFIT GESI-548 DOC - CUMMINS - ISX
DPFXFIT GESI-529 DOC - CUMMINS - ISX
DPFXFIT GESI-540 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE
DPFXFIT GESI-545 DOC - CUMMINS - ISX
DPFXFIT GESI-546 DOC - CUMMINS - ISX
DPFXFIT GESI-539 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE 7
DPFXFIT GESi-527 DOC - VOLVO / MACK - D11, MP7, D13, MP8, D16 & MP10
DPFXFIT GESI-532 DOC - CUMMINS - ISB
DPFXFIT GESI-535 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE 11 & 13
DPFXFIT GESI-531 DOC - CUMMINS - ISM
DPFXFIT GESI-537 DOC - CUMMINS - ISX
DPFXFIT GESI-525 DOC - NAVISTAR / INTERNATIONAL - MAXXFORCE 7
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DPFXFIT GESi-0005 DPF - NAVISTAR / INTERNATIONAL - MAXXFORCE
DPFXFIT GESi-0006 DPF - NAVISTAR / INTERNATIONAL - MAXXFORCE 7 & DT
DPFXFIT GESi-0007 DPF - NAVISTAR / INTERNATIONAL - MAXXFORCE 9
DPFXFIT GESi-0008 DPF - NAVISTAR / INTERNATIONAL - MAXXFORCE 9
