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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$12,876.25
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Replacement DOC, Cummins - 5274535RX, 5274535, 5274535NX
Replacement DOC, Cummins - 5274535RX, 5274535, 5274535NX - DPF Discounter
Replacement DOC, Cummins - 5274535RX, 5274535, 5274535NX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 5274535RX, 5274535, 5274535NX

$3,120.49
Replacement DOC, Cummins - 4352289RX, 5284269NX, 5284269RX, 5284269, 4352289, 4352289NX
Replacement DOC, Cummins - 4352289RX, 5284269NX, 5284269RX, 5284269, 4352289, 4352289NX - DPF Discounter
Replacement DOC, Cummins - 4352289RX, 5284269NX, 5284269RX, 5284269, 4352289, 4352289NX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4352289RX, 5284269NX, 5284269RX, 5284269, 4352289, 4352289NX

$3,102.24
Replacement DOC, Cummins - 4353307
Replacement DOC, Cummins - 4353307 - DPF Discounter
Replacement DOC, Cummins - 4353307 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353307

$3,100.44
Replacement DOC, Cummins - 2885912
Replacement DOC, Cummins - 2885912 - DPF Discounter
Replacement DOC, Cummins - 2885912 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2885912

$3,009.83
Replacement DOC, Cummins - 2880504
Replacement DOC, Cummins - 2880504 - DPF Discounter
Replacement DOC, Cummins - 2880504 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880504

$3,009.18
Replacement DOC, Cummins - 1912726, 1949999, 1978265, 4329542, 4329542NX, 4353284, 4353284NX, 4353284RX, 5287100, 5287100NX, 5298350, 5298350NX, A047V484, 5298350RX
Replacement DOC, Cummins - 1912726, 1949999, 1978265, 4329542, 4329542NX, 4353284, 4353284NX, 4353284RX, 5287100, 5287100NX, 5298350, 5298350NX, A047V484, 5298350RX - DPF Discounter
Replacement DOC, Cummins - 1912726, 1949999, 1978265, 4329542, 4329542NX, 4353284, 4353284NX, 4353284RX, 5287100, 5287100NX, 5298350, 5298350NX, A047V484, 5298350RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 1912726, 1949999, 1978265, 4329542, 4329542NX, 4353284, 4353284NX, 4353284RX, 5287100, 5287100NX, 5298350, 5298350NX, A047V484, 5298350RX

$2,938.17
Replacement DOC, Cummins - 1912730, 1912730PE, 1978269PEX, 1998412, 1998412PE, 1998412PEX, 4329543, 4329543NX, 4353285, 4353285NX, 4353285RX, 5298345, 5298345NX, A041P423, A045X393, A047V485
Replacement DOC, Cummins - 1912730, 1912730PE, 1978269PEX, 1998412, 1998412PE, 1998412PEX, 4329543, 4329543NX, 4353285, 4353285NX, 4353285RX, 5298345, 5298345NX, A041P423, A045X393, A047V485 - DPF Discounter
Replacement DOC, Cummins - 1912730, 1912730PE, 1978269PEX, 1998412, 1998412PE, 1998412PEX, 4329543, 4329543NX, 4353285, 4353285NX, 4353285RX, 5298345, 5298345NX, A041P423, A045X393, A047V485 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 1912730, 1912730PE, 1978269PEX, 1998412, 1998412PE, 1998412PEX, 4329543, 4329543NX, 4353285, 4353285NX, 4353285RX, 5298345, 5298345NX, A041P423, A045X393, A047V485

$2,895.17
Replacement DOC, Cummins - 2880165, 2880165NX
Replacement DOC, Cummins - 2880165, 2880165NX - DPF Discounter
Replacement DOC, Cummins - 2880165, 2880165NX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880165, 2880165NX

$2,719.03
Replacement DOC, Cummins - 2880154
Replacement DOC, Cummins - 2880154 - DPF Discounter
Replacement DOC, Cummins - 2880154 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880154

$2,552.98
Replacement DOC, Cummins - 2871569
Replacement DOC, Cummins - 2871569 - DPF Discounter
Replacement DOC, Cummins - 2871569 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2871569

$2,552.98
Replacement DOC, Cummins - 5289745, 5289745NX, 5289745RX
Replacement DOC, Cummins - 5289745, 5289745NX, 5289745RX - DPF Discounter
Replacement DOC, Cummins - 5289745, 5289745NX, 5289745RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 5289745, 5289745NX, 5289745RX

$2,479.53
Replacement DOC, Cummins - 1978269, 1912730PEX, 1978269PE, A047V566
Replacement DOC, Cummins - 1978269, 1912730PEX, 1978269PE, A047V566 - DPF Discounter
Replacement DOC, Cummins - 1978269, 1912730PEX, 1978269PE, A047V566 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 1978269, 1912730PEX, 1978269PE, A047V566

$2,450.86
Replacement DOC, Cummins - 2510794C91, 4353264NX, 5309560NX, 4353264, 5309560, 5309560RX, 4353264RX
Replacement DOC, Cummins - 2510794C91, 4353264NX, 5309560NX, 4353264, 5309560, 5309560RX, 4353264RX - DPF Discounter
Replacement DOC, Cummins - 2510794C91, 4353264NX, 5309560NX, 4353264, 5309560, 5309560RX, 4353264RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2510794C91, 4353264NX, 5309560NX, 4353264, 5309560, 5309560RX, 4353264RX

$2,436.53
Replacement DOC, Cummins - 2880505NX, 4353251, 5300526, 2880505, 2880505RX, 5300526RX, 5300526NX, 4353251RX
Replacement DOC, Cummins - 2880505NX, 4353251, 5300526, 2880505, 2880505RX, 5300526RX, 5300526NX, 4353251RX - DPF Discounter
Replacement DOC, Cummins - 2880505NX, 4353251, 5300526, 2880505, 2880505RX, 5300526RX, 5300526NX, 4353251RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880505NX, 4353251, 5300526, 2880505, 2880505RX, 5300526RX, 5300526NX, 4353251RX

$2,436.53
Replacement DOC, Cummins - 2871483, 2871577, 4353221NX, 5298349NX, 4353221RX, 5298349RX, 2871577, 1837303PE, 1978264PE, 2871577NX, 4353221, 2871577RX
Replacement DOC, Cummins - 2871483, 2871577, 4353221NX, 5298349NX, 4353221RX, 5298349RX, 2871577, 1837303PE, 1978264PE, 2871577NX, 4353221, 2871577RX - DPF Discounter
Replacement DOC, Cummins - 2871483, 2871577, 4353221NX, 5298349NX, 4353221RX, 5298349RX, 2871577, 1837303PE, 1978264PE, 2871577NX, 4353221, 2871577RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2871483, 2871577, 4353221NX, 5298349NX, 4353221RX, 5298349RX, 2871577, 1837303PE, 1978264PE, 2871577NX, 4353221, 2871577RX

$2,379.20
Replacement DOC, Cummins - 2880588
Replacement DOC, Cummins - 2880588 - DPF Discounter
Replacement DOC, Cummins - 2880588 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880588

$2,370.49
Replacement DOC, Cummins - 4328760NX, 4328760, 4328760RX
Replacement DOC, Cummins - 4328760NX, 4328760, 4328760RX - DPF Discounter
Replacement DOC, Cummins - 4328760NX, 4328760, 4328760RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4328760NX, 4328760, 4328760RX

$2,321.87
Replacement DOC, Cummins - 1912727, 1978266
Replacement DOC, Cummins - 1912727, 1978266 - DPF Discounter
Replacement DOC, Cummins - 1912727, 1978266 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 1912727, 1978266

$2,321.87
Replacement DOC, Cummins - 2880514
Replacement DOC, Cummins - 2880514 - DPF Discounter
Replacement DOC, Cummins - 2880514 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880514

$2,277.43
Replacement DOC, Cummins - 2880174, 2880174NX, 2880174RX
Replacement DOC, Cummins - 2880174, 2880174NX, 2880174RX - DPF Discounter
Replacement DOC, Cummins - 2880174, 2880174NX, 2880174RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880174, 2880174NX, 2880174RX

$2,264.54
Replacement DOC, Cummins - 4969668NX, 5287516NX, 4969668, 5287516, 4969668RX, 5287516RX
Replacement DOC, Cummins - 4969668NX, 5287516NX, 4969668, 5287516, 4969668RX, 5287516RX - DPF Discounter
Replacement DOC, Cummins - 4969668NX, 5287516NX, 4969668, 5287516, 4969668RX, 5287516RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4969668NX, 5287516NX, 4969668, 5287516, 4969668RX, 5287516RX

$2,221.54
Replacement DOC, Cummins - 2871485, 2871485NX, 5287472, 5287472RX, 5287472NX, 2871485RX
Replacement DOC, Cummins - 2871485, 2871485NX, 5287472, 5287472RX, 5287472NX, 2871485RX - DPF Discounter
Replacement DOC, Cummins - 2871485, 2871485NX, 5287472, 5287472RX, 5287472NX, 2871485RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2871485, 2871485NX, 5287472, 5287472RX, 5287472NX, 2871485RX

$2,189.81
Replacement DOC, Cummins - 2880498
Replacement DOC, Cummins - 2880498 - DPF Discounter
Replacement DOC, Cummins - 2880498 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880498

$2,188
Replacement DOC, Cummins - 2880516
Replacement DOC, Cummins - 2880516 - DPF Discounter
Replacement DOC, Cummins - 2880516 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880516

$2,188