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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CJ0427 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0427 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0427 - DOC for Cummins ISC/ISL, Paccar PX8

Price
$1,853.15$1,912.43
BG0408 - DOC for Cummins ISB, Paccar PX6
BG0408 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0408 - DOC for Cummins ISB, Paccar PX6

Price
$1,682.63$1,759.68
1N0505 - DOC for Navistar MaxxForce 11/13
1N0505 - DOC for Navistar MaxxForce 11/13 - DPF Discounter
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Skyline Emissions

1N0505 - DOC for Navistar MaxxForce 11/13

Price
$1,682.63$1,759.68
MN0407 - DOC for Cummins ISM/ISL
MN0407 - DOC for Cummins ISM/ISL - DPF Discounter
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Skyline Emissions

MN0407 - DOC for Cummins ISM/ISL

Price
$1,851.20$1,924.65
LJ0429 - DOC for Cummins ISL 9, Paccar PX-9
LJ0429 - DOC for Cummins ISL 9, Paccar PX - 9 - DPF Discounter
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Skyline Emissions

LJ0429 - DOC for Cummins ISL 9, Paccar PX-9

Price
$1,663.74$1,723.02
BG0412 - DOC for Cummins ISB, Paccar PX6
BG0412 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0412 - DOC for Cummins ISB, Paccar PX6

Price
$1,509.63$1,543.10
CJ0419 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0419 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0419 - DOC for Cummins ISC/ISL, Paccar PX8

Price
$2,022.80$2,087.80
XN0639 - DOC for Cummins ISX
XN0639 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0639 - DOC for Cummins ISX

Price
$2,553.59$2,627.34
XN0638 - DOC for Cummins ISX
XN0638 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0638 - DOC for Cummins ISX

Price
$2,559.95$2,635.80
XN0637 - DOC for Cummins ISX
XN0637 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0637 - DOC for Cummins ISX

Price
$2,555.71$2,625.22
XN0636 - DOC for Cummins ISX
XN0636 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0636 - DOC for Cummins ISX

Price
$2,549.37$2,618.88
XN0630 - DOC for Cummins ISX
XN0630 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0630 - DOC for Cummins ISX

Price
$2,329.95$2,398.50
XN0616 - DOC for Cummins ISX
XN0616 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0616 - DOC for Cummins ISX

Price
$2,646.75$2,775.03
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

Price
$1,860.48$1,900.56
CJ0424 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0424 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0424 - DOC for Cummins ISC/ISL, Paccar PX8

Price
$2,018.34$2,083.80
CJ0423 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0423 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0423 - DOC for Cummins ISC/ISL, Paccar PX8

Price
$2,024.70$2,090.14
CJ0422 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0422 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
CJ0422 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0422 - DOC for Cummins ISC/ISL, Paccar PX8

Price
$2,007.76$2,073.20
BG0407 - DOC for Cummins ISB 6.7, Paccar PX6
BG0407 - DOC for Cummins ISB 6.7, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0407 - DOC for Cummins ISB 6.7, Paccar PX6

Price
$1,621.92$1,740.18
BG0404 - DOC for Cummins ISB, Paccar PX6
BG0404 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0404 - DOC for Cummins ISB, Paccar PX6

Price
$1,537.77$1,602.81
BG0403 - DOC for Cummins ISB, Paccar PX6
BG0403 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0403 - DOC for Cummins ISB, Paccar PX6

Price
$1,369.28$1,424.81
MC0504 - DOC for Navistar MaxxForce
MC0504 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0504 - DOC for Navistar MaxxForce

Price
$1,477.84$1,490.84
MC0503 - DOC for Navistar MaxxForce
MC0503 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0503 - DOC for Navistar MaxxForce

Price
$1,343.42$1,356.42
XN0635 - DOC for Cummins ISX
XN0635 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0635 - DOC for Cummins ISX

Price
$2,346.29$2,392.62
XN0634 - DOC for Cummins ISX
XN0634 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0634 - DOC for Cummins ISX

Price
$2,346.29$2,392.62