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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1M0403 - DOC for Navistar MaxxForce 11/13
1M0403 - DOC for Navistar MaxxForce 11/13 - DPF Discounter
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Skyline Emissions

1M0403 - DOC for Navistar MaxxForce 11/13

Price
$1,828.96$1,948.44
BG0432 - DOC for Cummins ISB 6.7
BG0432 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0432 - DOC for Cummins ISB 6.7

Price
$2,067.57$2,175.16
VNB402 - DOC for Volvo/Mack
VNB402 - DOC for Volvo/Mack - DPF Discounter
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Skyline Emissions

VNB402 - DOC for Volvo/Mack

Price
$2,006.98$2,112.76
MC0505 - DOC for Navistar MaxxForce
MC0505 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0505 - DOC for Navistar MaxxForce

Price
$1,781.53$1,820
MN0603 - DOC for Paccar MX13
MN0603 - DOC for Paccar MX13 - DPF Discounter
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Skyline Emissions

MN0603 - DOC for Paccar MX13

Price
$2,605.85$2,654.02
VNB407 - DOC for Volvo/Mack
VNB407 - DOC for Volvo/Mack - DPF Discounter
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Skyline Emissions

VNB407 - DOC for Volvo/Mack

Price
$1,674.61$1,752.35
VNB406 - DOC for Volvo/Mack
VNB406 - DOC for Volvo/Mack - DPF Discounter
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Skyline Emissions

VNB406 - DOC for Volvo/Mack

Price
$1,680.20$1,752.35
XN0626 - DOC for Cummins ISX
XN0626 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0626 - DOC for Cummins ISX

Price
$2,844.76$2,900.46
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

Price
$1,712.87$1,826.89
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

Price
$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

Price
$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)

Price
$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

Price
$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

Price
$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

Price
$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

Price
$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

Price
$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

Price
$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

Price
$1,920.69$1,967.42
BG0430 - DOC for Cummins ISB 6.7
BG0430 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0430 - DOC for Cummins ISB 6.7

Price
$1,908.47$1,955.20
XN0625 - DOC for Cummins ISX
XN0625 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0625 - DOC for Cummins ISX

Price
$2,327$2,552.55
XN0624 - DOC for Cummins ISX
XN0624 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0624 - DOC for Cummins ISX

Price
$2,487.55$2,522
XN0622 - DOC for Cummins ISX
XN0622 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0622 - DOC for Cummins ISX

Price
$2,420.43$2,498.99
XN0641 - DOC for Cummins ISX
XN0641 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0641 - DOC for Cummins ISX

Price
$2,456.09$2,535.65