Best selling products (228)

Durafit replacement DOC for Cummins ISX (2880165 / C20-0014)
$2,355.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. **Gaskets included!** Replaces OEM Numbers: 2880165, A029A324 Redline part number: REP 58814 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.

Durafit replacement DOC for Cummins ISC / ISL (2880589 / C20-0012)
$2,171.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISC / ISL Engines. Includes both Gaskets. Clamps are sold separately. Replaces OEM Numbers: 20863840 / 21850643 / 85000777 / 85001356 Redline part number REP 58812 Can not be sold or shipped to California at this time.

Durafit replacement DOC for Cummins ISC / ISL (2871923 / C20-0011)
$1,631.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISC / ISL Engines. **Gaskets included!** Replaces OEM Numbers: 2871923, 2871469, A029B190 Redline part number: REP 58811 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 ...

Durafit replacement DOC for Volvo / Mack MP7 (20863840 / C20-0008)
$1,749.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Volvo / Mack MP7 Engines. **Gaskets included!** Replaces OEM Numbers: 20863840 / 21850643 / 85000777 / 85001356 Redline part number REP 58808 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 C...

Durafit replacement DOC for Detroit Diesel DD15 (A6804901214 / C20-0010)
$2,856.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Detroit Diesel DD15 Engines. Gaskets included. Replaces OEM Numbers: A6804901214, A6804901592, A6804901692, EA6804903014, RA6804901214 Redline part number REP 58810 Can not be sold or shipped to California at this time.

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...
New OEM "Take-off" Cummins Outlet Catalyst / SCR (5418483)

New OEM "Take-off" Cummins Outlet Catalyst / SCR (5418483)
$3,985.26
This OEM CUMMINS 5418483 Outlet Catalyst Module (DOC) is brand new and has never been ran This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but do not come in Cummins retail packaging. We buy complete units from Cummins and then dismantle them so that we can sell the pieces individually. D...
New OEM "Take-off" Cummins Inlet Module / DOC (4353291)

New OEM "Take-off" Cummins Inlet Module / DOC (4353291)
$2,785.00
New OEM CUMMINS 4353291 Inlet Catalyst Module (DOC) supersession part numbers: 4353291, 5302770, 5288419, A042M253 This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but do not come in Cummins retail packaging. We buy complete units from Cummins and then break them down so that we can sell...

New OEM "Take-off" Volvo / Mack DOC (SUR 21756508)
$4,618.07
Brand new, never used OEM Volvo / Mack Diesel Oxidation Catalyst (DOC) Other Numbers: 21212414, 21756508 This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but do not come in Cummins retail packaging. We buy complete units from Cummins and then break them down so that we can sell the pieces...
New OEM "Take-off" Cummins Outlet Catalyst / SCR (5418549)

New OEM "Take-off" Cummins Outlet Catalyst / SCR (5418549)
$7,500.00
This OEM CUMMINS 5418549 / 4394916 / 5509663 Outlet Catalyst Module (DOC) is a brand new "Take Off" unit and has never been ran. Fits CUMMINS aftertreatment devices 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 do not co...
Genuine "Take-off" Cummins Outlet Catalyst Module SCR (SUR 5418491)

Genuine "Take-off" Cummins Outlet Catalyst Module SCR (SUR 5418491)
$4,300.00
This OEM CUMMINS 5418491 / 4394942 Outlet Catalyst Module (DOC) / (SCR) is a brand new "Take Off" unit and has never been ran. Fits CUMMINS aftertreatment devices Cummins supersessions: 4394942 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 bran...

GESi replacement DOC for Navistar (2605126C1 / GESI-542)
$1,170.00
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...
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