Best selling products (228)

GESi replacement DOC for Cummins (5287480 / GESI-507)
$1,446.00
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...

GESi replacement DOC for Cummins (4965304 / GESI-506)
$2,001.00
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...

GESi replacement DOC for Cummins (2888248 / GESI-505)
$1,831.00
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...

GESi replacement DOC for Cummins ISM (4965223 / GESI-504)
$1,693.00
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...

GESi replacement DOC for Cummins (2888249 / GESI-503)
$1,761.00
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...

GESi replacement DOC for Cummins (4925284 / GESI-501)
$1,693.00
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...

NEW OEM "TAKE-OFF" CUMMINS INLET CATALYST MODULE (2871469)
$2,200.00
NEW OEM CUMMINS 2871469 Inlet Catalyst Element (DOC) Fits CUMMINS ISC / ISL 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 come in Cummins retail packaging. We buy complete units from Cummins and then break them d...
NEW OEM "TAKE-OFF" CUMMINS OUTLET CATALYST (5417986)

NEW OEM "TAKE-OFF" CUMMINS OUTLET CATALYST (5417986)
$7,892.54
New OEM CUMMINS 5417986 / 5509676 Outlet Catalyst Module (DOC) 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 individually. Due to this, there may be p...

Durafit Replacement DOC for Cummins ISX (2888247 / C20-0007)
$2,067.00
Durafit OEM DOC Replacement for Cummins ISX (C20-0007) OEM: 2888247NX, 4965304NX, A035W856 Redline Part Number: RED 58807 Skyline : XN0502-K Roadwarrior : C0015-IDNote: This product cannot be sold or shipped to CA at the present time.

Durafit Replacement DOC for Cummins ISX (2888249 / C20-0005)
$1,778.00
Durafit OEM DOC Replacement for Cummins ISX (C20-0005) OEM: 2888249NX, 4969542NX, 4965317NX, A030W858, Q620970, Q621430, Q621503 Redline Part Number: RED 58805 Skyline : XN0504-K Roadwarrior : C0060-IDNote: This product cannot be sold or shipped to CA at the present time.

Durafit Replacement DOC for Cummins ISM (4965217 / C20-0004)
$1,694.00
Durafit OEM DOC Replacement for Cummins ISM (C20-0004) OEM: 4965217NX, 5287520 Redline Part Number: RED 58804 Skyline : MN-0403-K Roadwarrior : C0043-IDNote: This product cannot be sold or shipped to CA at the present time.
Durafit Replacement DOC for Cummins ISB (5287480 / C20-0001)
$1,576.00
Durafit OEM DOC Replacement for Cummins ISB OEM: 5287480NX, 4965285NX, A035H236, Q621385 Redline Part Number: RED 58801 Skyline : BG0401-K Roadwarrior C0A3-ID, C0103-IDNote: This product cannot be sold or shipped to CA at the present time.
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