Diesel Oxidation Catalyst (DOC)

Explore our latest high-quality aftermarket Diesel Oxiation Catalyst (DOC) from renowned manufacturers, backed by industry-leading warranties for long-lasting peace of mind. Enjoy free ground shipping on all DOCs for most U.S. states. Please note that we currently do not ship to California. Customers from California, Alaska, Hawaii, and Puerto Rico can contact us for a freight quote. Need assistance in finding the right part for your truck? Call us at (330)-573-5396 today, or chat with our team on this page!

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XQ0461 - DOC for Cummins X12 and X15
XQ0461 - DOC for Cummins X12 and X15 - DPF Discounter
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Skyline Emissions

XQ0461 - DOC for Cummins X12 and X15

$2,550.60—$2,609.10
MQ0417 - DOC for Paccar MX-13
MQ0417 - DOC for Paccar MX - 13 - DPF Discounter
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Skyline Emissions

MQ0417 - DOC for Paccar MX-13

$2,550.60—$2,609.10
XQ0462 - DOC for Cummins X12 and X15
XQ0462 - DOC for Cummins X12 and X15 - DPF Discounter
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Skyline Emissions

XQ0462 - DOC for Cummins X12 and X15

$2,548—$2,606.50
Replacement DOC, Cummins - 4394602, 4394602NX, 4394602RX, 4395107, 4395107NX, 4395107RX, 5418479, 5418479NX, 5418479RX, A055B981, A056A968, A059N985
Replacement DOC, Cummins - 4394602, 4394602NX, 4394602RX, 4395107, 4395107NX, 4395107RX, 5418479, 5418479NX, 5418479RX, A055B981, A056A968, A059N985 - DPF Discounter
Replacement DOC, Cummins - 4394602, 4394602NX, 4394602RX, 4395107, 4395107NX, 4395107RX, 5418479, 5418479NX, 5418479RX, A055B981, A056A968, A059N985 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4394602, 4394602NX, 4394602RX, 4395107, 4395107NX, 4395107RX, 5418479, 5418479NX, 5418479RX, A055B981, A056A968, A059N985

$1,918.36
XN0625 - DOC for Cummins ISX
XN0625 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0625 - DOC for Cummins ISX

$2,292.55—$2,327
XN0612 - DOC for Cummins ISX
XN0612 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0612 - DOC for Cummins ISX

$1,942.55—$2,058.97
CJ0403 - DOC for Cummins ISC
CJ0403 - DOC for Cummins ISC - DPF Discounter
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Skyline Emissions

CJ0403 - DOC for Cummins ISC

$1,392.43—$1,437.93
MN0608 - DOC for Paccar MX-13
MN0608 - DOC for Paccar MX - 13 - DPF Discounter
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Skyline Emissions

MN0608 - DOC for Paccar MX-13

$1,963.65—$2,041
MC0511 - DOC for Navistar MaxxForce
MC0511 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0511 - DOC for Navistar MaxxForce

$1,304.52—$1,318.52
CJ0428 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0428 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0428 - DOC for Cummins ISC/ISL, Paccar PX8

$1,712.87—$1,826.89
BG0430 - DOC for Cummins ISB 6.7
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BG0430 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0430 - DOC for Cummins ISB 6.7

$1,467.40—$1,514.14
XN0622 - DOC for Cummins ISX
XN0622 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0622 - DOC for Cummins ISX

$2,420.43—$2,498.99
LJ0426 - DOC for Cummins ISL 9, Paccar PX-9
LJ0426 - DOC for Cummins ISL 9, Paccar PX - 9 - DPF Discounter
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Skyline Emissions

LJ0426 - DOC for Cummins ISL 9, Paccar PX-9

$1,860.48—$1,900.56
XN0632 - DOC for Cummins ISX, Navistar N13
XN0632 - DOC for Cummins ISX, Navistar N13 - DPF Discounter
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Skyline Emissions

XN0632 - DOC for Cummins ISX, Navistar N13

$2,106.35—$2,143.70
XN0620 - DOC for Cummins ISX
XN0620 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0620 - DOC for Cummins ISX

$2,100.28—$2,134.77
XN0613 - DOC for Cummins ISX
XN0613 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0613 - DOC for Cummins ISX

$1,789.45—$1,844.47
BG0402 - DOC for Cummins ISB
BG0402 - DOC for Cummins ISB - DPF Discounter
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Skyline Emissions

BG0402 - DOC for Cummins ISB

$2,036.26—$2,081.43
C0163-ID OEM Equivalent DOC for Paccar
C0163 - ID OEM Equivalent DOC for Paccar - DPF Discounter
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Roadwarrior

C0163-ID OEM Equivalent DOC for Paccar

$3,303.60
C0342-ID OEM Equivalent DOC for Navistar MaxxForce
C0342 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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Roadwarrior

C0342-ID OEM Equivalent DOC for Navistar MaxxForce

$3,432.96
BJ0303 - DOC for Cummins B6.7 and L9
BJ0303 - DOC for Cummins B6.7 and L9
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Skyline Emissions

BJ0303 - DOC for Cummins B6.7 and L9

$1,800.50—$1,872
XQ0565 - DOC for Cummins X12 and X15
XQ0565 - DOC for Cummins X12 and X15 - DPF Discounter
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Skyline Emissions

XQ0565 - DOC for Cummins X12 and X15

$2,706.73—$2,793.05
BJ0301 - DOC for Cummins B6.7, L9
BJ0301 - DOC for Cummins B6.7, L9 - DPF Discounter
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Skyline Emissions

BJ0301 - DOC for Cummins B6.7, L9

$2,314—$2,372.50
XQ0563 - DOC for Cummins X12 and X15
XQ0563 - DOC for Cummins X12 and X15 - DPF Discounter
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Skyline Emissions

XQ0563 - DOC for Cummins X12 and X15

$2,706.73—$2,780.05
CJ0429 - DOC for Cummins ISC 8.3/ISL 9, Paccar PX8
CJ0429 - DOC for Cummins ISC 8.3/ISL 9, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0429 - DOC for Cummins ISC 8.3/ISL 9, Paccar PX8

$1,817.40—$1,901.90