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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 (51)

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...

New OEM "Take-off" Detroit-Mercedes Aftertreatment Control Module / ACM (A0004465954)
$475.00
New surplus OEM Detroit-Mercedes Aftertreatment Control Module (ACM) for One Box applications. A0004465954 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 piec...
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...

Redline Emissions Products Replacement DPF for Detroit-Mercedes (A0014907692 / REP 54081)
$1,165.00
Redline Emissions Products 54081 OEM DPF Replacement for Detroit Mercedes DD13 / DD15 / DD16 "Detroit One Box" **EPA16 and newer**. For the prior (older) version see the REP 52976 OEM: A6804914194, A0014907692, RA0014907692, EA0014907692, RA6804914194 Uses G03001 gaskets (included) and VB2007 clamp & VB2008 clamp (not included) Our filters...

Redline Emissions Products Replacement for Detroit Mercedes DD13 / DD15 DPF One Box (A6804910894 / REP 52976)
$1,150.00
Redline Emissions Products 52976 OEM DPF Replacement for Detroit Mercedes DD13 / DD15 "Detroit One Box" OEM: A6804910894, A0004903792, A6804913494, A0014903492, A6804913594, A0014903592, EA0014903492 Uses G03001 gaskets (included) and VB2007 clamp & VB2008 clamp (not included) Our filters are made in the USA, meet or exceed OEM specificati...

DPFXFIT for Detroit Diesel DD13, DD15 (A0014907692 / GESi-0081)
$1,030.00
This new aftermarket DPF is a direct replacement for the OEM unit. GESi filters are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These filters also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compati...

Durafit replacement DPF for Detroit Diesel (A6804910494 / C17-0077)
$1,308.00
Durafit OEM DPF Replacement for Detroit Diesel DD13 / DD15 (C17-0077) includes gaskets Replaces OEM Part Numbers: A6804910494 / A0004903692 Redline Part Number: RED 52977 Note: This product cannot be sold or shipped to CA at the present time.

Durafit replacement DPF for Detroit Diesel DD13 / DD15 (A0014903592 / C17-0076)
$1,107.00
Durafit OEM DPF Replacement for Detroit Diesel DD13 / DD15 (C17-0076) includes gaskets Replaces OEM Part Numbers: A0014903592 / A6804913594 / A6804910894 / A6804913494 / A0014903492 / A0004903792 Redline Part Number: RED 52976 Note: This product cannot be sold or shipped to CA at the present time.
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
- DPFXFIT
- 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