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New products (98)

Durafit Replacement DOC for Cummins ISX (2880174 / C20-0053)
$2,706.00
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX 15L Engines. **Gaskets included!** Replaces OEM Numbers: 2880174, 2880174NX, 2880174RX. DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to California at this time.

DPFXFIT Replacement DOC for Cummins ISX (4353250 / GESI-561)
$2,406.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

DPFXFIT Replacement DOC for Cummins ISX (5274535 / GESI-537)
$2,693.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

Skyline OEM DOC Replacement for Cummins ISX (4353282 / XN0651-C)
$2,749.00
Skyline OEM DOC Replacement for Cummins ISX (XN0651-C) Replaces OEM numbers: 4353282, 4353282NX, 4353282RX, A047V482, 4329123, 4329123NX, A045G881, 4353262, 4353262NX, 4353262RX, A047V458, 4328732, 4328732NX, A043J473 Includes the required gaskets and clamps! Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM fil...

New OEM "Take-off" Cummins Inlet Catalyst Module, surplus (SUR 4394901)
$2,999.85
This OEM CUMMINS 4394901 / 5509695 Inlet Catalyst Element (DOC) is a brand NEW take off unit and has never been ran. Fits CUMMINS ISX / X-15 Cummins Aftertreatment Systems. Legal for sale and use in all 50 states including California. This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but d...

Durafit replacement DOC for Cummins ISX engines (2871577 / C20-0201)
$2,217.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. Gaskets included. DuraFit DPFs and DOCs are so durable they come with a nationwide3-year, unlimited mileage warranty. Made in the USA! Replaces OEM Numbers: 2871577, 4353221, 5287231, 5298349 Redline part number REP 58201 Can not be sold or shipped to California at this...

Durafit replacement DOC for Cummins ISX Engines (2880165 / C20-0200)
$2,217.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. Gaskets included. Replaces OEM Numbers: 2880165, 2880165NX, 2880165RX, A029A324 Redline part number REP 58200 Can not be sold or shipped to California at this time.

Durafit replacement DOC for Cummins ISX / Navistar N13 (5313770 / C20-0117)
$2,669.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX and Navistar N13 Engines. **Gaskets included!** Replaces OEM Numbers: 2510787C91, 2510787C92, 5313770, 4353274, 4353274NX, 4353274RX, 5313770NX, 5313770RX. Redline part number: REP 58117 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage w...

Durafit replacement DOC for Cummins ISX (4353251 / C20-0114)
$3,021.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. Gaskets included. Replaces OEM Numbers: 4353251, 4353251NX, 4353251RX, 5300526, 5300526NX, 5289000, 5289000NX Redline part number REP 58114 Can not be sold or shipped to California at this time.

Durafit replacement DOC for Cummins / Paccar (2880520 / C20-0098)
$2,056.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Paccar and Cummins ISX Engines. **Gaskets included!** Replaces OEM Numbers: 2880520, A029U604 Redline part number: REP 58898 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to California at this...

Durafit replacement DOC for Paccar / ISX (4353284 / C20-0081)
$3,346.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Paccar / ISX Engines. Gaskets included. Replaces OEM Numbers: 4353284NX, 4353284, 4353284NX, 4353284RX, 5298350, 5298350NX, 5287100, 5287100NX, 4329542, 4329542NX Redline part number REP 58881 Can not be sold or shipped to California at this time.

Durafit replacement DOC for Cummins ISX (4328760 / C20-0057)
$2,522.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. **Gaskets included!** Replaces OEM Numbers: 4328760NX, 4328760RX, 4328760, A045S167 Redline part number: REP 58857 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to Califor...