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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VNB406 - DOC for Volvo/Mack
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VNB406 - DOC for Volvo/Mack - DPF Discounter
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VNB406 - DOC for Volvo/Mack

$1,602.64—$1,680.38
XN0626 - DOC for Cummins ISX
XN0626 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0626 - DOC for Cummins ISX

$2,844.76—$2,900.46
1M0404 - DOC for Navistar MaxxForce 11/13
1M0404 - DOC for Navistar MaxxForce 11/13 - DPF Discounter
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Skyline Emissions

1M0404 - DOC for Navistar MaxxForce 11/13

$2,661.74—$2,749.50
CJ0417 - DOC for Cummins ISC/ISL, Paccar PX8
CJ0417 - DOC for Cummins ISC/ISL, Paccar PX8 - DPF Discounter
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Skyline Emissions

CJ0417 - DOC for Cummins ISC/ISL, Paccar PX8

$1,839.50—$1,895.40
XN0508 - DOC for Cummins ISX (Clamp & Gasket Kit)
XN0508 - DOC for Cummins ISX (Clamp & Gasket Kit) - DPF Discounter
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Skyline Emissions

XN0508 - DOC for Cummins ISX (Clamp & Gasket Kit)

$2,028.65—$2,087.25
XN0506 - DOC for Cummins ISX
XN0506 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0506 - DOC for Cummins ISX

$1,645.15—$1,703.75
1M0402 - DOC for Navistar MaxxForce 11/13
1M0402 - DOC for Navistar MaxxForce 11/13 - DPF Discounter
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Skyline Emissions

1M0402 - DOC for Navistar MaxxForce 11/13

$1,799.06—$1,919.19
BG0410 - DOC for Cummins ISB, Paccar PX6
BG0410 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0410 - DOC for Cummins ISB, Paccar PX6

$1,719.06—$1,778.01
BG0409 - DOC for Cummins ISB, Paccar PX6
BG0409 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0409 - DOC for Cummins ISB, Paccar PX6

$1,725.17—$1,784.12
DNT505 - DOC for Detroit Diesel and Mercedes Benz
DNT505 - DOC for Detroit Diesel and Mercedes Benz - DPF Discounter
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Skyline Emissions

DNT505 - DOC for Detroit Diesel and Mercedes Benz

$2,618.28—$2,749.50
BG0411 - DOC for Cummins ISB, Paccar PX6
BG0411 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0411 - DOC for Cummins ISB, Paccar PX6

$1,639.63—$1,698.58
BG0431 - DOC for Cummins ISB 6.7
BG0431 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0431 - DOC for Cummins ISB 6.7

$1,920.69—$1,967.42
XN0624 - DOC for Cummins ISX
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XN0624 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0624 - DOC for Cummins ISX

$2,006.55—$2,041
XN0641 - DOC for Cummins ISX
XN0641 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0641 - DOC for Cummins ISX

$2,456.09—$2,535.65
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

$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

$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

$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

$1,851.20—$1,924.65
LJ0429 - DOC for Cummins ISL 9, Paccar PX-9
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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

$1,513.72—$1,569.10
BG0412 - DOC for Cummins ISB, Paccar PX6
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BG0412 - DOC for Cummins ISB, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0412 - DOC for Cummins ISB, Paccar PX6

$1,485.45—$1,518.92
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

$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

$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

$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

$2,555.71—$2,625.22