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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C0331-ID OEM Equivalent DOC for Cummins
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C0331 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0331-ID OEM Equivalent DOC for Cummins

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$2,531.10
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$6,510
C0332-ID OEM Equivalent DOC for Cummins
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C0332 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0332-ID OEM Equivalent DOC for Cummins

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$2,436.20
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$6,113
C0351-ID OEM Equivalent DOC for Cummins
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C0351 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0351-ID OEM Equivalent DOC for Cummins

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$2,557.10
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$6,417
C0326-HF OEM Equivalent DOC + DPF for Hino
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C0326 - HF OEM Equivalent DOC + DPF for Hino - DPF Discounter
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C0326-HF OEM Equivalent DOC + DPF for Hino

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$2,672.80
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$6,707
C0334-ID OEM Equivalent DOC for Navistar MaxxForce
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C0334 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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C0334-ID OEM Equivalent DOC for Navistar MaxxForce

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$2,420.60
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$6,072
C0318-ID OEM Equivalent DOC for Paccar
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C0318 - ID OEM Equivalent DOC for Paccar - DPF Discounter
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C0318-ID OEM Equivalent DOC for Paccar

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$2,869.10
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$7,200
C0317-ID OEM Equivalent DOC for Navistar MaxxForce
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C0317 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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C0317-ID OEM Equivalent DOC for Navistar MaxxForce

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$1,321.60
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$3,492
C0333-ID OEM Equivalent DOC for Paccar
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C0333 - ID OEM Equivalent DOC for Paccar - DPF Discounter
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C0333-ID OEM Equivalent DOC for Paccar

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$2,394.60
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$6,009
D2027-ID OEM Equivalent DOC for Caterpillar
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D2027 - ID OEM Equivalent DOC for Caterpillar - DPF Discounter
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D2027-ID OEM Equivalent DOC for Caterpillar

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$3,186.30
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$7,808
C0337-ID OEM Equivalent DOC for Cummins
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C0337 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0337-ID OEM Equivalent DOC for Cummins

Sale price
$1,853.80
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$4,650
C0339-ID OEM Equivalent DOC for Navistar MaxxForce|Cummins
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C0339 - ID OEM Equivalent DOC for Navistar MaxxForce|Cummins - DPF Discounter
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C0339-ID OEM Equivalent DOC for Navistar MaxxForce|Cummins

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$2,406.30
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$6,036
C0341-ID OEM Equivalent DOC for Cummins
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C0341 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0341-ID OEM Equivalent DOC for Cummins

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$2,008.50
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$5,038
C0343-ID OEM Equivalent DOC for Cummins
64% off
C0343 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0343-ID OEM Equivalent DOC for Cummins

Sale price
$2,606.50
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$7,265
C0355-ID OEM Equivalent DOC for Cummins
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C0355 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0355-ID OEM Equivalent DOC for Cummins

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$2,774.20
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$6,961
C0356-ID OEM Equivalent DOC for Cummins
62% off
C0356 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0356-ID OEM Equivalent DOC for Cummins

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$12,876.25
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$33,598
C0328-ID OEM Equivalent DOC for Navistar MaxxForce
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C0328 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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C0328-ID OEM Equivalent DOC for Navistar MaxxForce

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$1,641.90
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$4,118
C0342-ID OEM Equivalent DOC for Navistar MaxxForce
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C0342 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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C0342-ID OEM Equivalent DOC for Navistar MaxxForce

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$2,875.60
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$7,757
C0345-ID OEM Equivalent DOC for Navistar MaxxForce
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C0345 - ID OEM Equivalent DOC for Navistar MaxxForce - DPF Discounter
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C0345-ID OEM Equivalent DOC for Navistar MaxxForce

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$1,413.10
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$3,545
C0349-ID OEM Equivalent DOC for Cummins
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C0349 - ID OEM Equivalent DOC for Cummins - DPF Discounter
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C0349-ID OEM Equivalent DOC for Cummins

Sale price
$3,252.60
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$5,640
C0346-ID OEM Equivalent DOC for Navistar
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C0346 - ID OEM Equivalent DOC for Navistar - DPF Discounter
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C0346-ID OEM Equivalent DOC for Navistar

Sale price
$1,146.60
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$1,538.75
C0363-ID OEM Equivalent DOC for Paccar
65% off
C0363 - ID OEM Equivalent DOC for Paccar - DPF Discounter
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C0363-ID OEM Equivalent DOC for Paccar

Sale price
$1,188.60
Regular price
$3,397.50