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Freightliner One Box

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.

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50 Products
Sale
OEM Detroit / Mercedes / Western Star DOC & Clamp Kit (EA6804901456 / A6804901456)
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OEM Detroit / Mercedes / Western Star DOC & Clamp Kit (EA6804901456 / A6804901456)

$8,250.00$10,000.00

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...

    OEM Detroit One Box / A0024901692
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    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,...

      OEM Detroit One Box / A6804903212
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      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...

        OEM Detroit One Box / A0014909292
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        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,...

          OEM Detroit One Box / A0024908092
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          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,...

            OEM Detroit One Box / A6804903412
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            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,...

              OEM Detroit One Box / A6804903712
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              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,...

                Sale
                OEM Detroit DPF for 2016 & Newer One Box A6804914194
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                OEM Detroit DPF for 2016 & Newer One Box A6804914194

                $1,700.00$2,782.86

                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:...

                  Sale
                  DETROIT DIESEL OEM DPF (A6804910494)
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                  DETROIT DIESEL OEM DPF (A6804910494)

                  $750.00$1,350.00

                  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)...

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                    OEM Detroit-Mercedes DEF Doser / A0001405539
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                    OEM Detroit-Mercedes DEF Doser / A0001405539

                    $450.00$619.00

                    New Surplus OEM Detroit-Mercedes Diesel Exhaust Fluid Doser for One Box applications. Part number A0001405539. The DEF doser / injector is where the urea is added into the exhaust stream. This device controls the...

                      Sale
                      OEM CASCADIA / DETROIT One Box (A6804902512)
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                      OEM CASCADIA / DETROIT One Box (A6804902512)

                      $8,999.00$10,999.00

                      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...

                        Sale
                        OEM Detroit DD5/ Mercedes A0084904712 One Box
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                        OEM Detroit DD5/ Mercedes A0084904712 One Box

                        $6,500.00$15,000.00

                        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...

                          Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit (REP VB3008)
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                          Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit (REP VB3008)

                          $288.00

                          Redline Emissions Products VB3008 Replacement kit for Detroit ONE BOX V BAND / GASKET KIT Kit includes: (2) G03001 (2) G03004 (2) VB2007 (Nominal Inside Diameter: 10.59" ) (2) VB2008 (Nominal Inside Diameter: 10.5"...

                            Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3009)
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                            Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3009)

                            $148.00

                            Redline Emissions Products VB3009 Replacement kit for Detroit ONE BOX V-BAND / GASKET KIT Kit includes: (1) VB2007 (Nominal Inside Diameter: 10.59" ) (1) VB2008 (Nominal Inside Diameter: 10.5" ) (1) G03001 This Kit...

                              Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit (REP VB3011)
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                              Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit (REP VB3011)

                              $325.00

                              Redline Emissions Products VB3011 Replacement kit for Detroit One Box V Band / Gasket Kit Kit includes: (2) VB2007 (Nominal Inside Diameter: 10.59" ) (2) VB2008 (Nominal Inside Diameter: 10.5" ) (2) G03001 (Spiral...

                                Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3013)
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                                Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3013)

                                $188.95

                                Redline Emissions Products VB3013. For mounting DPF's into Detroit Diesel ONE BOX assembly. Not offered by Freightliner so we made our own kit. Consist of: (2) Redline VB2007 (10.59") clamps (2) Redline G03001 gaskets....

                                  Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit ( A0019959702 / REP VB3014 )
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                                  Redline Emissions Products Replacement for Detroit / Mercedes One Box Gasket / Clamp Kit ( A0019959702 / REP VB3014 )

                                  $44.25

                                  Redline Emissions Products VB3014 Replacement kit for Detroit A001995970 exhaust clamp and seal kit fits Detroit / Mercedes ONE BOX inlet and outlet flanges. Consists of (1) Redline VB2020 clamp and (1) Redline G03004...

                                    Redline Emissions Products Replacement Gasket / Clamp kit (REP VB3019)
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                                    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...

                                      Redline Emissions Products Replacement Clamp and Gasket Kit for One Box (REP VB3020)
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                                      Redline Emissions Products Replacement Clamp and Gasket Kit for One Box (REP VB3020)

                                      $350.00

                                      Redline Emissions Products VB3020 Replacement Kit for Detroit One Box V Band / Gasket Kit. This kit is designed to make the servicing of your Detroit One Box kit as simple as it can...

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                                        OEM Detroit / Mercedes One Box NOx Sensor (SUR A0101538128)
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                                        OEM Detroit / Mercedes One Box NOx Sensor (SUR A0101538128)

                                        $375.00$491.61

                                        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...

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                                          New Genuine OEM
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                                          New Genuine OEM "Take-off" Detroit / Mercedes NOX Sensor (A0101531928)

                                          $375.00$480.00

                                          OEM DETROIT NOX SENSOR A0101531928 FOR ONE BOX 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...

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                                            OEM DETROIT PARTICULATE MATTER SENSOR (A0101536028)
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                                            OEM DETROIT PARTICULATE MATTER SENSOR (A0101536028)

                                            $180.00$480.00

                                            Surplus OEM Detroit One Box Particulate Matter (PM) Sensor A0101536028. 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...

                                              Sale
                                              OEM Detroit Aftertreatment Wiring Harness (SUR A4721506220)
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                                              OEM Detroit Aftertreatment Wiring Harness (SUR A4721506220)

                                              $425.00$799.00

                                              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...

                                                Sale
                                                New OEM
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                                                New OEM "TAKE-OFF" DETROIT WIRING HARNESS (A9674403751)

                                                $300.00$764.00

                                                OEM DETROIT WIRING HARNESS A9674403751 FOR OEM DETROIT-MERCEDES ONE-BOX APPLICATIONS. OEM SURPLUS FITS 2016 and later AFTERTREATMENT SYSTEMS ONLY. This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they...