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, International - 2596666C91
Replacement DOC, International - 2596666C91 - DPF Discounter
Replacement DOC, International - 2596666C91 - DPF Discounter
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Dinex

Replacement DOC, International - 2596666C91

Price
$1,633.91
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

Price
$1,576.58
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

Price
$1,533.58
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

Price
$1,433.25
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

Price
$1,404.59
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

Price
$1,126.76
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

Price
$2,680.18
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

Price
$2,178.54
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

Price
$2,049.55
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

Price
$1,934.89
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

Price
$2,465.19
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

Price
$3,276.22
C0005-ID OEM Equivalent DOC for Cummins
60% off
C0005 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0005-ID OEM Equivalent DOC for Cummins

Sale price
$2,207.40
Regular price
$5,538
C0008-ID OEM Equivalent DOC for Volvo Mack
60% off
C0008 - ID OEM Equivalent DOC for Volvo Mack - DPF Discounter
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Roadwarrior

C0008-ID OEM Equivalent DOC for Volvo Mack

Sale price
$2,050.10
Regular price
$5,145
C0009-ID OEM Equivalent DOC for Volvo Mack
60% off
C0009 - ID OEM Equivalent DOC for Volvo Mack - DPF Discounter
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Roadwarrior

C0009-ID OEM Equivalent DOC for Volvo Mack

Sale price
$2,616.90
Regular price
$6,566
C0010-ID OEM Equivalent DOC for Cummins
60% off
C0010 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0010-ID OEM Equivalent DOC for Cummins

Sale price
$2,250.30
Regular price
$5,646
C0014-ID OEM Equivalent DOC for Detroit Diesel
60% off
C0014 - ID OEM Equivalent DOC for Detroit Diesel - DPF Discounter
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Roadwarrior

C0014-ID OEM Equivalent DOC for Detroit Diesel

Sale price
$2,977
Regular price
$7,471
C0015-ID OEM Equivalent DOC for Cummins
60% off
C0015 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0015-ID OEM Equivalent DOC for Cummins

Sale price
$2,393.30
Regular price
$6,007
C0016-ID OEM Equivalent DOC for Cummins
60% off
C0016 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0016-ID OEM Equivalent DOC for Cummins

Sale price
$2,132
Regular price
$5,351
C0017-ID OEM Equivalent DOC for Cummins
60% off
C0017 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0017-ID OEM Equivalent DOC for Cummins

Sale price
$2,050.10
Regular price
$5,145
C0019-ID OEM Equivalent DOC for Navistar MaxxForce
60% off
C0019 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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Roadwarrior

C0019-ID OEM Equivalent DOC for Navistar MaxxForce

Sale price
$1,500.20
Regular price
$3,765
C0027-HF OEM Equivalent DOC + DPF for Hino
60% off
C0027 - HF OEM Equivalent DOC + DPF for Hino - DPF Discounter
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Roadwarrior

C0027-HF OEM Equivalent DOC + DPF for Hino

Sale price
$3,133
Regular price
$7,862
C0034-ID OEM Equivalent DOC for Cummins
60% off
C0034 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0034-ID OEM Equivalent DOC for Cummins

Sale price
$4,170.40
Regular price
$10,464
C0043-ID OEM Equivalent DOC for Cummins
60% off
C0043 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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Roadwarrior

C0043-ID OEM Equivalent DOC for Cummins

Sale price
$1,916.20
Regular price
$4,807