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New products (226)

GESi replacement DOC for Cummins (2871923 / GESI-509)
$1,438.00
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 (3103618 / GESI-508)
$2,770.00
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 (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 (4965243 / GESI-502)
$1,747.00
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...

OEM CUMMINS INLET CATALYST 4395106, 5418478
$3,200.00
This DOC fits some Cummins ISB / QSB systems. Replaces Cummins 4394601 and 5418478. Legal for sale and use in all 50 states including California. Inlet gasket G02001 and VB2014 clamp. Outlet gasket is G02009 with VB2037 clamp This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but do not com...
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