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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Price
$0
$12,876.25
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Replacement DOC, Cummins - 2880506NX, 2880506, 2880506RX
Replacement DOC, Cummins - 2880506NX, 2880506, 2880506RX - DPF Discounter
Replacement DOC, Cummins - 2880506NX, 2880506, 2880506RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880506NX, 2880506, 2880506RX

Price
$2,178.54
Replacement DOC, Cummins - 2885941NX, 2888263NX, 2885941, 2888263, 2885941RX, 2888263RX
Replacement DOC, Cummins - 2885941NX, 2888263NX, 2885941, 2888263, 2885941RX, 2888263RX - DPF Discounter
Replacement DOC, Cummins - 2885941NX, 2888263NX, 2885941, 2888263, 2885941RX, 2888263RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2885941NX, 2888263NX, 2885941, 2888263, 2885941RX, 2888263RX

Price
$2,178.54
Replacement DOC, Cummins - 1837300, 2880582NX, 4353249, 1837300PE, 4353249NX, 5286910NX, 5298340NX, 2880582, 5298340
Replacement DOC, Cummins - 1837300, 2880582NX, 4353249, 1837300PE, 4353249NX, 5286910NX, 5298340NX, 2880582, 5298340 - DPF Discounter
Replacement DOC, Cummins - 1837300, 2880582NX, 4353249, 1837300PE, 4353249NX, 5286910NX, 5298340NX, 2880582, 5298340 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 1837300, 2880582NX, 4353249, 1837300PE, 4353249NX, 5286910NX, 5298340NX, 2880582, 5298340

Price
$2,149.88
Replacement DOC, Cummins - 2888247NX, 4965304NX, A035W856, 2888247, 4965304, 2888247RX, 4965304RX, 4695304
Replacement DOC, Cummins - 2888247NX, 4965304NX, A035W856, 2888247, 4965304, 2888247RX, 4965304RX, 4695304 - DPF Discounter
Replacement DOC, Cummins - 2888247NX, 4965304NX, A035W856, 2888247, 4965304, 2888247RX, 4965304RX, 4695304 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2888247NX, 4965304NX, A035W856, 2888247, 4965304, 2888247RX, 4965304RX, 4695304

Price
$2,149.88
Replacement DOC, Cummins - 4353323
Replacement DOC, Cummins - 4353323 - DPF Discounter
Replacement DOC, Cummins - 4353323 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353323

Price
$2,116.84
Replacement DOC, Cummins - 2880501NX, 2880501, 2880501RX
Replacement DOC, Cummins - 2880501NX, 2880501, 2880501RX - DPF Discounter
Replacement DOC, Cummins - 2880501NX, 2880501, 2880501RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880501NX, 2880501, 2880501RX

Price
$2,106.88
Replacement DOC, Cummins - 2880153
Replacement DOC, Cummins - 2880153 - DPF Discounter
Replacement DOC, Cummins - 2880153 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880153

Price
$2,096.74
Replacement DOC, Cummins - 4353304
Replacement DOC, Cummins - 4353304 - DPF Discounter
Replacement DOC, Cummins - 4353304 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353304

Price
$2,094.94
Replacement DOC, Cummins - 2888261NX, 4965053, 4969718NX, 2888261, 4969718, 4969718RX, 2888261RX
Replacement DOC, Cummins - 2888261NX, 4965053, 4969718NX, 2888261, 4969718, 4969718RX, 2888261RX - DPF Discounter
Replacement DOC, Cummins - 2888261NX, 4965053, 4969718NX, 2888261, 4969718, 4969718RX, 2888261RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2888261NX, 4965053, 4969718NX, 2888261, 4969718, 4969718RX, 2888261RX

Price
$2,049.55
Replacement DOC, Cummins - 4965338NX, 5287474NX, 4965338, 5287474, 4965338RX, 5287474RX
Replacement DOC, Cummins - 4965338NX, 5287474NX, 4965338, 5287474, 4965338RX, 5287474RX - DPF Discounter
Replacement DOC, Cummins - 4965338NX, 5287474NX, 4965338, 5287474, 4965338RX, 5287474RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4965338NX, 5287474NX, 4965338, 5287474, 4965338RX, 5287474RX

Price
$2,049.55
Replacement DOC, Cummins - 4353305, 4353305RX, 5303019, 4353305NX, 4353305NX
Replacement DOC, Cummins - 4353305, 4353305RX, 5303019, 4353305NX, 4353305NX - DPF Discounter
Replacement DOC, Cummins - 4353305, 4353305RX, 5303019, 4353305NX, 4353305NX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353305, 4353305RX, 5303019, 4353305NX, 4353305NX

Price
$2,035.22
Replacement DOC, Cummins - 4969846NX, 5287522NX, 6357726R, 5287522, 4969846RX, 5287522RX
Replacement DOC, Cummins - 4969846NX, 5287522NX, 6357726R, 5287522, 4969846RX, 5287522RX - DPF Discounter
Replacement DOC, Cummins - 4969846NX, 5287522NX, 6357726R, 5287522, 4969846RX, 5287522RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4969846NX, 5287522NX, 6357726R, 5287522, 4969846RX, 5287522RX

Price
$2,035.22
Replacement DOC, Cummins - 2871468, 2880512, A029W349
Replacement DOC, Cummins - 2871468, 2880512, A029W349 - DPF Discounter
Replacement DOC, Cummins - 2871468, 2880512, A029W349 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2871468, 2880512, A029W349

Price
$2,035.22
Replacement DOC, Cummins - 4353352RX, 5302638NX, A047V540, 4353352, 5302638, 4353352NX, 5302638RX, 047V540
Replacement DOC, Cummins - 4353352RX, 5302638NX, A047V540, 4353352, 5302638, 4353352NX, 5302638RX, 047V540 - DPF Discounter
Replacement DOC, Cummins - 4353352RX, 5302638NX, A047V540, 4353352, 5302638, 4353352NX, 5302638RX, 047V540 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353352RX, 5302638NX, A047V540, 4353352, 5302638, 4353352NX, 5302638RX, 047V540

Price
$2,035.22
Replacement DOC, Cummins - 5287473NX, 5287473RX, 5287473
Replacement DOC, Cummins - 5287473NX, 5287473RX, 5287473 - DPF Discounter
Replacement DOC, Cummins - 5287473NX, 5287473RX, 5287473 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 5287473NX, 5287473RX, 5287473

Price
$2,006.55
Replacement DOC, Cummins - 5287478
Replacement DOC, Cummins - 5287478 - DPF Discounter
Replacement DOC, Cummins - 5287478 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 5287478

Price
$2,005.51
Replacement DOC, Cummins - 4353289RX, 4387170, 5287368, 4353289, 4353289NX
Replacement DOC, Cummins - 4353289RX, 4387170, 5287368, 4353289, 4353289NX - DPF Discounter
Replacement DOC, Cummins - 4353289RX, 4387170, 5287368, 4353289, 4353289NX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4353289RX, 4387170, 5287368, 4353289, 4353289NX

Price
$1,992.22
Replacement DOC, Cummins - 4969771, 4969771NX, 4969771RX
Replacement DOC, Cummins - 4969771, 4969771NX, 4969771RX - DPF Discounter
Replacement DOC, Cummins - 4969771, 4969771NX, 4969771RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4969771, 4969771NX, 4969771RX

Price
$1,963.56
Replacement DOC, Cummins - 4965243NX, 5287191NX, 6356943, A035G674, 5287191, 4965243RX, 5287191RX, 4965243RX, 5287191RX, OTR0152003
Replacement DOC, Cummins - 4965243NX, 5287191NX, 6356943, A035G674, 5287191, 4965243RX, 5287191RX, 4965243RX, 5287191RX, OTR0152003 - DPF Discounter
Replacement DOC, Cummins - 4965243NX, 5287191NX, 6356943, A035G674, 5287191, 4965243RX, 5287191RX, 4965243RX, 5287191RX, OTR0152003 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 4965243NX, 5287191NX, 6356943, A035G674, 5287191, 4965243RX, 5287191RX, 4965243RX, 5287191RX, OTR0152003

Price
$1,949.22
Replacement DOC, Cummins - 5302636, A029S790, 4353303
Replacement DOC, Cummins - 5302636, A029S790, 4353303 - DPF Discounter
Replacement DOC, Cummins - 5302636, A029S790, 4353303 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 5302636, A029S790, 4353303

Price
$1,934.89
Replacement DOC, Cummins - 2888248, 2888248NX, 4965225NX, A030W857, 4965225, 2888248RX, 4965225RX, 030W857
Replacement DOC, Cummins - 2888248, 2888248NX, 4965225NX, A030W857, 4965225, 2888248RX, 4965225RX, 030W857 - DPF Discounter
Replacement DOC, Cummins - 2888248, 2888248NX, 4965225NX, A030W857, 4965225, 2888248RX, 4965225RX, 030W857 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2888248, 2888248NX, 4965225NX, A030W857, 4965225, 2888248RX, 4965225RX, 030W857

Price
$1,934.89
Replacement DOC, Cummins - 2606910C91, 2606987C91, 4936736NX, 4969719NX, 5287519NX, A035H544, 4969719, 5287519, 4936736RX, 4969719RX, 5287519RX
Replacement DOC, Cummins - 2606910C91, 2606987C91, 4936736NX, 4969719NX, 5287519NX, A035H544, 4969719, 5287519, 4936736RX, 4969719RX, 5287519RX - DPF Discounter
Replacement DOC, Cummins - 2606910C91, 2606987C91, 4936736NX, 4969719NX, 5287519NX, A035H544, 4969719, 5287519, 4936736RX, 4969719RX, 5287519RX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2606910C91, 2606987C91, 4936736NX, 4969719NX, 5287519NX, A035H544, 4969719, 5287519, 4936736RX, 4969719RX, 5287519RX

Price
$1,881.56
Replacement DOC, Cummins - 2606971, 2606971C91, 2607044C91, 2880259NX, 2888262NX, 4936734NX, 4969721, 4969721NX, A030X734, 2888262, 4936734, 2880259, 2888262, 4936734, 2880259RX, 2888262RX, 4936734RX, 4965079NX, Q620939, 4965079, 4969721KX
Replacement DOC, Cummins - 2606971, 2606971C91, 2607044C91, 2880259NX, 2888262NX, 4936734NX, 4969721, 4969721NX, A030X734, 2888262, 4936734, 2880259, 2888262, 4936734, 2880259RX, 2888262RX, 4936734RX, 4965079NX, Q620939, 4965079, 4969721KX - DPF Discounter
Replacement DOC, Cummins - 2606971, 2606971C91, 2607044C91, 2880259NX, 2888262NX, 4936734NX, 4969721, 4969721NX, A030X734, 2888262, 4936734, 2880259, 2888262, 4936734, 2880259RX, 2888262RX, 4936734RX, 4965079NX, Q620939, 4965079, 4969721KX - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2606971, 2606971C91, 2607044C91, 2880259NX, 2888262NX, 4936734NX, 4969721, 4969721NX, A030X734, 2888262, 4936734, 2880259, 2888262, 4936734, 2880259RX, 2888262RX, 4936734RX, 4965079NX, Q620939, 4965079, 4969721KX

Price
$1,920.56
Replacement DOC, Cummins - 2880520
Replacement DOC, Cummins - 2880520 - DPF Discounter
Replacement DOC, Cummins - 2880520 - DPF Discounter
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Dinex

Replacement DOC, Cummins - 2880520

Price
$1,912.44