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 X15
XQ0461 - DPF for Cummins X15 - DPF Discounter
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Skyline Emissions

XQ0461 - DOC for Cummins X15

Price
$2,550.60$2,609.10
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

Price
$1,817.40$1,901.90
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

Price
$2,550.60$2,609.10
BG0434 - DOC for Cummins ISB 6.7
BG0434 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0434 - DOC for Cummins ISB 6.7

Price
$1,778.40$1,843.86
BG0433 - DOC for Cummins ISB 6.7
BG0433 - DOC for Cummins ISB 6.7 - DPF Discounter
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Skyline Emissions

BG0433 - DOC for Cummins ISB 6.7

Price
$1,968.20$2,033.20
DNT509 - DOC for Detroit Diesel and Mercedes Benz
DNT509 - DOC for Detroit Diesel and Mercedes Benz - DPF Discounter
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Skyline Emissions

DNT509 - DOC for Detroit Diesel and Mercedes Benz

Price
$3,555.83$3,934.41
LJ0430 - DOC for Cummins ISL 9, Paccar PX-9
LJ0430 - DOC for Cummins ISL 9, Paccar PX - 9 - DPF Discounter
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Skyline Emissions

LJ0430 - DOC for Cummins ISL 9, Paccar PX-9

Price
$1,745.17$1,793.79
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

Price
$1,963.65$2,041
BG0424 - DOC for Cummins ISB 6.7, Paccar PX6
BG0424 - DOC for Cummins ISB 6.7, Paccar PX6 - DPF Discounter
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Skyline Emissions

BG0424 - DOC for Cummins ISB 6.7, Paccar PX6

Price
$1,740.36$1,821.30
LJ0413 - DOC for Cummins ISL 9, Paccar PX-9
LJ0413 - DOC for Cummins ISL 9, Paccar PX - 9 - DPF Discounter
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Skyline Emissions

LJ0413 - DOC for Cummins ISL 9, Paccar PX-9

Price
$1,589.24$1,651
MN0406 - DOC for Cummins ISM/ISL
MN0406 - DOC for Cummins ISM/ISL - DPF Discounter
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Skyline Emissions

MN0406 - DOC for Cummins ISM/ISL

Price
$1,664.78$1,736.28
SG0401 - DOC for Isuzu
SG0401 - DOC for Isuzu - DPF Discounter
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Skyline Emissions

SG0401 - DOC for Isuzu

Price
$1,644.50$1,677
MN0405 - DOC for Cummins ISM/ISL
MN0405 - DOC for Cummins ISM/ISL - DPF Discounter
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Skyline Emissions

MN0405 - DOC for Cummins ISM/ISL

Price
$2,054.65$2,093
XN0621 - DOC for Cummins ISX
XN0621 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0621 - DOC for Cummins ISX

Price
$1,941.55$1,996.57
XN0504 - DOC for Cummins ISX
XN0504 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0504 - DOC for Cummins ISX

Price
$1,564.23$1,637.64
XN0501 - DOC for Cummins ISX
XN0501 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0501 - DOC for Cummins ISX

Price
$1,629.23$1,702.64
XN0502 - DOC for Cummins ISX
XN0502 - DOC for Cummins ISX - DPF Discounter
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Skyline Emissions

XN0502 - DOC for Cummins ISX

Price
$1,746.23$1,819.64
VN0608 - DOC for Volvo/Mack
VN0608 - DOC for Volvo/Mack - DPF Discounter
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Skyline Emissions

VN0608 - DOC for Volvo/Mack

Price
$2,580.03$2,627.86
XN0505 - DOC for Cummins ISX, Navistar MaxxForce 11/13
XN0505 - DOC for Cummins ISX, Navistar MaxxForce 11/13 - DPF Discounter
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Skyline Emissions

XN0505 - DOC for Cummins ISX, Navistar MaxxForce 11/13

Price
$1,652.95$1,688.70
MC0511 - DOC for Navistar MaxxForce
MC0511 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0511 - DOC for Navistar MaxxForce

Price
$1,304.52$1,318.52
MC0508 - DOC for Navistar MaxxForce
MC0508 - DOC for Navistar MaxxForce - DPF Discounter
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Skyline Emissions

MC0508 - DOC for Navistar MaxxForce

Price
$1,220.87$1,234.87
MN0403 - DOC for Cummins ISM/ISL
MN0403 - DOC for Cummins ISM/ISL - DPF Discounter
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Skyline Emissions

MN0403 - DOC for Cummins ISM/ISL

Price
$1,421.23$1,494.64
MN0401 - DOC for Cummins ISM/ISL
MN0401 - DOC for Cummins ISM/ISL - DPF Discounter
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Skyline Emissions

MN0401 - DOC for Cummins ISM/ISL

Price
$1,561.30$1,619.90
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