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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Replacement DOC, International - 2604039C91, 3865483C93, 3869133C93
Replacement DOC, International - 2604039C91, 3865483C93, 3869133C93 - DPF Discounter
Replacement DOC, International - 2604039C91, 3865483C93, 3869133C93 - DPF Discounter
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Dinex

Replacement DOC, International - 2604039C91, 3865483C93, 3869133C93

$1,854.50
Replacement DOC, International - 2603960C91, 5010812R91
Replacement DOC, International - 2603960C91, 5010812R91 - DPF Discounter
Replacement DOC, International - 2603960C91, 5010812R91 - DPF Discounter
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Dinex

Replacement DOC, International - 2603960C91, 5010812R91

$1,846.48
Replacement DOC, International - 2596407C92, 5011122R91
Replacement DOC, International - 2596407C92, 5011122R91 - DPF Discounter
Replacement DOC, International - 2596407C92, 5011122R91 - DPF Discounter
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Dinex

Replacement DOC, International - 2596407C92, 5011122R91

$1,625.21
Replacement DOC, International - 2596666C91
Replacement DOC, International - 2596666C91 - DPF Discounter
Replacement DOC, International - 2596666C91 - DPF Discounter
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Dinex

Replacement DOC, International - 2596666C91

$3,155.56
Replacement DOC, International - 2594200C91
Replacement DOC, International - 2594200C91 - DPF Discounter
Replacement DOC, International - 2594200C91 - DPF Discounter
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Dinex

Replacement DOC, International - 2594200C91

$1,440.24
Replacement DOC, International - 2594140C91, 5011118R91, 5011118R91
Replacement DOC, International - 2594140C91, 5011118R91, 5011118R91 - DPF Discounter
Replacement DOC, International - 2594140C91, 5011118R91, 5011118R91 - DPF Discounter
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Dinex

Replacement DOC, International - 2594140C91, 5011118R91, 5011118R91

$1,619.46
Replacement DOC, International - 2605127C1
Replacement DOC, International - 2605127C1 - DPF Discounter
Replacement DOC, International - 2605127C1 - DPF Discounter
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Dinex

Replacement DOC, International - 2605127C1

$1,513.51
Replacement DOC, International - 2605332C91, 5011047R91
Replacement DOC, International - 2605332C91, 5011047R91 - DPF Discounter
Replacement DOC, International - 2605332C91, 5011047R91 - DPF Discounter
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Dinex

Replacement DOC, International - 2605332C91, 5011047R91

$1,371.54
Replacement DOC, International - 2605128C1, 2605802C1, 5011044R1
Replacement DOC, International - 2605128C1, 2605802C1, 5011044R1 - DPF Discounter
Replacement DOC, International - 2605128C1, 2605802C1, 5011044R1 - DPF Discounter
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Dinex

Replacement DOC, International - 2605128C1, 2605802C1, 5011044R1

$1,189.86
Replacement DOC, Mack/Volvo - 21850645, 28064129, 85001355, Q621417
Replacement DOC, Mack/Volvo - 21850645, 28064129, 85001355, Q621417 - DPF Discounter
Replacement DOC, Mack/Volvo - 21850645, 28064129, 85001355, Q621417 - DPF Discounter
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Dinex

Replacement DOC, Mack/Volvo - 21850645, 28064129, 85001355, Q621417

$2,415.74
Replacement DOC, Mack/Volvo - 20864132, 21850647, 85000779, 85001354
Replacement DOC, Mack/Volvo - 20864132, 21850647, 85000779, 85001354 - DPF Discounter
Replacement DOC, Mack/Volvo - 20864132, 21850647, 85000779, 85001354 - DPF Discounter
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Dinex

Replacement DOC, Mack/Volvo - 20864132, 21850647, 85000779, 85001354

$2,300.53
Replacement DOC, Mack/Volvo - 20863840, 21850643, 85000777, 85001356
Replacement DOC, Mack/Volvo - 20863840, 21850643, 85000777, 85001356 - DPF Discounter
Replacement DOC, Mack/Volvo - 20863840, 21850643, 85000777, 85001356 - DPF Discounter
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Dinex

Replacement DOC, Mack/Volvo - 20863840, 21850643, 85000777, 85001356

$1,960
Replacement DOC, Mack/Volvo - 21212405, 21212407, 21756505, 21756506
Replacement DOC, Mack/Volvo - 21212405, 21212407, 21756505, 21756506 - DPF Discounter
Replacement DOC, Mack/Volvo - 21212405, 21212407, 21756505, 21756506 - DPF Discounter
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Dinex

Replacement DOC, Mack/Volvo - 21212405, 21212407, 21756505, 21756506

$1,956.37
Replacement DOC, Navistar - 2510787C91, 4353274, 4353274NX, 4353274RX, 5313770, 5313770NX, 5313770RX
Replacement DOC, Navistar - 2510787C91, 4353274, 4353274NX, 4353274RX, 5313770, 5313770NX, 5313770RX - DPF Discounter
Replacement DOC, Navistar - 2510787C91, 4353274, 4353274NX, 4353274RX, 5313770, 5313770NX, 5313770RX - DPF Discounter
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Dinex

Replacement DOC, Navistar - 2510787C91, 4353274, 4353274NX, 4353274RX, 5313770, 5313770NX, 5313770RX

$2,603.24
Replacement DOC, Paccar - 1837302, 1998412PE
Replacement DOC, Paccar - 1837302, 1998412PE - DPF Discounter
Replacement DOC, Paccar - 1837302, 1998412PE - DPF Discounter
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Dinex

Replacement DOC, Paccar - 1837302, 1998412PE

$3,459.69
C0005-ID OEM Equivalent DOC for Cummins
C0005 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0005-ID OEM Equivalent DOC for Cummins

$2,637.25
C0008-ID OEM Equivalent DOC for Volvo Mack
C0008 - ID OEM Equivalent DOC for Volvo Mack - DPF Discounter
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Roadwarrior

C0008-ID OEM Equivalent DOC for Volvo Mack

$4,138.55
C0009-ID OEM Equivalent DOC for Volvo Mack
C0009 - ID OEM Equivalent DOC for Volvo Mack - DPF Discounter
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Roadwarrior

C0009-ID OEM Equivalent DOC for Volvo Mack

$5,224.88
C0010-ID OEM Equivalent DOC for Cummins
C0010 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0010-ID OEM Equivalent DOC for Cummins

$4,043.94
C0014-ID OEM Equivalent DOC for Detroit Diesel
C0014 - ID OEM Equivalent DOC for Detroit Diesel - DPF Discounter
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Roadwarrior

C0014-ID OEM Equivalent DOC for Detroit Diesel

$4,962.17
C0015-ID OEM Equivalent DOC for Cummins
C0015 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0015-ID OEM Equivalent DOC for Cummins

$2,858.61
C0016-ID OEM Equivalent DOC for Cummins
C0016 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0016-ID OEM Equivalent DOC for Cummins

$3,833.87
C0017-ID OEM Equivalent DOC for Cummins
C0017 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0017-ID OEM Equivalent DOC for Cummins

$3,904.67
C0019-ID OEM Equivalent DOC for Navistar MaxxForce
C0019 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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Roadwarrior

C0019-ID OEM Equivalent DOC for Navistar MaxxForce

$2,475.36