- Home
- Freightliner One Box
- Columbia
We’ve expanded our stock of genuine, new OEM One Box units for Freightliner, Detroit, Mercedes, and Western Star trucks. These are direct from the manufacturer so we can pass on big savings to you – better than most dealer pricing – in fact.
Need a One Box? We’ve got you covered. Whether you need a complete One Box assembly or individual components like DOCs, SCR units, DPFs, sensors, or filters, we have what you need.
Browse our current inventory of One Box units & related parts:
- DOC & Clamp Kits: Bare DOC & SCR unit.
- Complete One Box Assemblies: Includes DPFs, sensors, & electronics.
- Individual Components: Sensors, filters, & electronics.
Not sure which One Box is right for you? We’re happy to help. If you can provide the part number from your old One Box, it will help us quickly identify the correct replacement. Call us today! We’re here to assist you.
Freightliner One Box (14)
OEM Detroit One Box / A6804903212

OEM Detroit One Box / A6804903212
$12,000.00
These OEM Detroit / Freightliner One Box assemblies, A6804903212 are brand NEW and have never been installed. Fits various 2016 and newer Freightliner and Western Star configurations. This part includes all temperature, NOx, pressure sensors, electronics, and BOTH DPFs. When purchasing from Freightliner dealers, these do no include the DPFs and...
OEM Detroit One Box / A6804903412

OEM Detroit One Box / A6804903412
$12,000.00
These OEM Detroit Mercedes One Box A6804903412 are brand NEW and have never been installed. Fits various 2016 and newer Freightliner and Western Star configurations. This part includes all temperature, NOx, pressure sensors, electronics, and BOTH DPFs. When purchasing from Freightliner dealers, these do not include the DPFs and must be purchased...
OEM Detroit One Box / A6804903712

OEM Detroit One Box / A6804903712
$12,000.00
These OEM Detroit Mercedes One Box A6804903712 are brand NEW and have never been installed. Fits various 2016 and newer Freightliner and Western Star configurations. This part includes all temperature, NOx, pressure sensors, electronics, and BOTH DPFs. When purchasing from Freightliner dealers, these do no include the DPFs and must be purchased...

Redline Emissions Products Replacement Gasket / Clamp kit (REP VB3019)
$168.50
Redline Emissions Products VB3019. Gasket and clamps kit for Detroit / Mercedes Western Star single filter OneBox systems. Freightliner does not offer these so we decided to make our own kit! Consists of the following: (1) VB2042 Clamp (OEM #A0009957033) (1) VB2043 Clamp (OEM #A6809950501, A0039955101) (1) G03007 Gasket (OEM #A0004921680) (5) ...

OEM Detroit / Mercedes One Box NOx Sensor (SUR A0101538128)
$375.00
OEM DETROIT NOX SENSOR A0101538128 FOR ONE BOX AFTERTREATMENT SYSTEMS OEM SURPLUS. Fits specific Detroit-Mercedes aftertreatment systems, this is an outlet sensor. If sold out, see aftermarket replacement REP S11128 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 retai...
OEM Detroit Aftertreatment Wiring Harness (SUR A4721506220)

OEM Detroit Aftertreatment Wiring Harness (SUR A4721506220)
$425.00
OEM DETROIT WIRING HARNESS A4721506220 FOR OEM DETROIT-MERCEDES ONE-BOX APPLICATIONS. OEM SURPLUS FITS 2016 and newer Detroit Diesel Aftertreatment Systems Only! 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 retail Detroit / Mercedes packaging. We buy complete units ...

New "Take-off" Detroit / Mercedes Aftertreatment Control Module / A0004469754
$475.00
OEM Detroit-Mercedes Aftertreatment Control Module (ACM) for One Box applications. Part #: A0004469754 - for 2016 and newer applications. No core charge required. 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 retail Detroit / Mercedes packaging. We buy complete uni...
OEM Detroit One Box Pressure Tube (A6804913737)

OEM Detroit One Box Pressure Tube (A6804913737)
$38.00
OEM Detroit One Box Pressure Tube for Aftertreatment Systems. SUR A6804913737 These are brand new take-off parts from an unused complete assembly. For the replacement weld bung see BG2017. 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 retail Detroit / Mercedes packag...

OEM Detroit / Freightliner One Box Pressure Sensor (SUR A4721530928)
$95.00
OEM Detroit / Freightliner One Box Pressure Sensor Part #: A4721530928 Fits 2016 and newer Detroit / Freightliner One Box Assemblies. (SUR A4721530928) 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 retail Detroit / Mercedes packaging. We buy complete units from Detr...

OEM Detroit / Freightliner Exhaust Gas Temperature (EGT) sensor (A6805402117)
$40.00
OEM Detroit / Freightliner / Western Star Exhaust Gas Temperature Sensor (EGT) A6805402117 for OneBox assemblies. Fits 2016 and newer OneBox Aftertreatment systems. 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 retail Detroit / Mercedes packaging. We buy complete un...

OEM Detroit / Freightliner Exhaust Gas Temperature (EGT) sensor (A6805401317)
$60.00
OEM Detroit / Freightliner / Western Star Exhaust Gas Temperature (EGT) Sensor A6805401317 for OneBox assemblies. Fits 2016 and newer OneBox Aftertreatment systems. 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 retail Detroit / Mercedes packaging. We buy complete ...

OEM Detroit / Freightliner Exhaust Gas Temperature (EGT) sensor (A6805401917)
$75.00
OEM Detroit / Freightliner / Western Star Exhaust Gas Temperature Sensor (EGT) A6805401917 for OneBox assemblies. Fits 2016 and newer OneBox Aftertreatment systems. 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 retail Detroit / Mercedes packaging. We buy complete u...
Tags
- Everything in Freightliner One Box
- Cascadia
- Century
- clamp
- Clamp Kits
- Columbia
- Coronado
- D16
- DD13
- DD15
- DD16
- Detroit One Box
- Detroit-Diesel
- Detroit-Mercedes
- EGT
- Freightliner
- Heavy Duty
- Mercedes-Benz
- NOx
- OEM Surplus
- One Box
- Redline Emissions Products
- sensor
- ship-15-per
- ship-flat10
- ship-flat13
- ship-flat500
- SURPLUS
- TRUCK PARTS
- Western Star