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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 (46)
OEM Detroit / Mercedes / Western Star DOC & Clamp Kit (EA6804901456 / A6804901456)

OEM Detroit / Mercedes / Western Star DOC & Clamp Kit (EA6804901456 / A6804901456)
$8,250.00
This 2016 and newer OEM Detroit / Mercedes / Western Star DOC & Clamp Kit is brand NEW and has never been installed. This kit includes the DOC / SCR modules and inlet and outlet clamps and gaskets. This kit does not include any sensors, DPF, or other items. This product is not remanufactured, and does not have a core charge. OEM part number...
OEM Detroit One Box / A0024901692

OEM Detroit One Box / A0024901692
$12,000.00
These OEM Detroit / Mercedes One Box A0024901692 are brand NEW and have never been installed. Fits various 2016 and newer Freightliner and Western Star configurations. A0024901692 / A6804901456. This part includes all temperature, NOx, pressure sensors, electronics, and BOTH DPFs. When purchasing from Freightliner dealers, these do no include th...
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 / A0014909292

OEM Detroit One Box / A0014909292
$12,000.00
These OEM Detroit Mercedes One Box A0014909292 are brand NEW and have never been installed. Fits various 2016 and newer Freightliner and Western Star configurations. A0014909292 / A6804908756. This part includes all temperature, NOx, pressure sensors, electronics, and BOTH DPFs. When purchasing from Freightliner dealers, these do no include the ...
OEM Detroit One Box / A0024908092

OEM Detroit One Box / A0024908092
$12,000.00
These OEM Detroit Mercedes One Box A0024908092 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 ...
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...
OEM Detroit DPF for 2016 & Newer One Box A6804914194

OEM Detroit DPF for 2016 & Newer One Box A6804914194
$1,700.00
These OEM Detroit / Mercedes A6804914194 / A0014907692 DPFs are brand new (not reman) take off units. There are no core charges for this product, and they are not remanufactured. Replaces the following numbers: A0014907692, EA0014907692, RA0014907692, EA6804914194, RA6804914194. GHG17 DPF size: 10.50" X 7.50" Note, that Detroit One Box systems r...
DETROIT DIESEL OEM DPF (A6804910494)

DETROIT DIESEL OEM DPF (A6804910494)
$750.00
SPECIAL Pricing! These OEM Detroit / Mercedes (EPA10) A6804910494 DPFs are brand new and have never been installed, or remanufactured. There are no core charges for this product. Note, that this system requires (2) DPFs! Fits Detroit / Mercedes A6804910494 This DPF is also available from Detroit as a kit including the gasket and clamp with ...

OEM Detroit-Mercedes DEF Doser A0001405539
$550.00
OEM Detroit-Mercedes Diesel Exhaust Fluid Doser for One Box applications. Part number A0001405539. The DEF doser / injector is where the urea is sprayed into the exhaust stream. This device controls the amount of DEF going into the SCR and is crucial to maintain the correct NOx efficiency. This product is sometimes referred to as a "metering uni...
OEM CASCADIA / DETROIT One Box (A6804902512)

OEM CASCADIA / DETROIT One Box (A6804902512)
$8,999.00
These OEM Detroit / Mercedes ONE-BOX / A6804902512 are brand NEW and have never been installed. Includes all temperature, NOx, and pressure sensors. Fits Detroit / Mercedes. A6804902512 / A0104902012 / DBZA0104902012 Please confirm mounting configuration before ordering. These are a NON RETURNABLE item so please check a...
OEM Detroit DD5/ Mercedes A0084904712 One Box

OEM Detroit DD5/ Mercedes A0084904712 One Box
$6,500.00
Brand new, never installed OEM Surplus Detroit / Mercedes "ONEBOX" A0084904712. DETROIT DD5 AFTERTREATMENT ASSEMBLY. Replaced by EA0104908112, A9040908137 STAMPED NUMBER A0084907812 (TAG) / STICKER NUMBER A0084904712 Please confirm the mounting configuration before ordering. These are Non-Returnable items once purchased.
Tags
- Everything in Freightliner One Box
- Cascadia
- Century
- clamp
- Clamp Kits
- clearance
- Columbia
- Coronado
- D16
- DD13
- DD15
- DD16
- Detroit One Box
- Detroit-Diesel
- Detroit-Mercedes
- DOC
- DPF
- Durafit
- EGT
- Flare: Flat
- Flare: Normal
- Freightliner
- gasket
- GESi
- Heavy Duty
- M12 X 1.25
- M14 X 1.50
- M16 X 1.00
- M16 X 1.50
- M20 X 1.50
- Mercedes-Benz
- NOx
- OEM (ALL)
- OEM DPF/DOC
- OEM Surplus
- One Box
- Redline Emissions Products
- Roadwarrior
- SCR
- sensor
- ship-15-per
- ship-flat10
- ship-flat13
- ship-flat250
- ship-flat50
- ship-flat500
- ship-gesi
- Skyline
- Stepped
- SURPLUS
- TRUCK PARTS
- Western Star