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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)

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") This kit fits: Detroit DD13-DD15 One Box Assembly
Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3009)

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 fits: Detroit Mercedes DD13 / DD15 DPF (A6804910894 / RED 52976) and Detroit Diesel DD13 / DD15 / DD16 DPF (A6804910494, A0004903692,...

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 Wound Gasket) (10) Bolt & Clip sets for the heat shield This Kit fits: Detroit Mercedes DD13 / DD15 DPF (A6804910894 / RED 52976) ...
Redline Emissions Products Replacement for Detroit / Mercedes Gasket / Clamp Kit (REP VB3013)

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. This Kit fits: Detroit Mercedes DD13 / DD15 DPF (A6804910894 / RED 52976) and Detroit Diesel DD13 / DD15 / DD16 DPF (A680491...

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 gasket. Fits Detroit / Mercedes / Western Star ONEBOX Inlet / Outlet locations.

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) ...

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 be. In this kit, you will find the gaskets and clamps for both DPFs, as well as the bolt and clips that attach the heat shield to the frame of your One Box. Recently...

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...

New Genuine OEM "Take-off" Detroit / Mercedes NOX Sensor (A0101531928)
$375.00
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 in Detroit / Mercedes retail packaging. We buy complete units from Detroit / Mercedes and then break them down so that we can sell the pieces individually...

OEM DETROIT PARTICULATE MATTER SENSOR (A0101536028)
$180.00
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 in retail Detroit / Mercedes packaging. We buy complete units from Detroit / Mercedes and then break them down so that we can sell the pieces individual...
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 OEM "TAKE-OFF" DETROIT WIRING HARNESS (A9674403751)

New OEM "TAKE-OFF" DETROIT WIRING HARNESS (A9674403751)
$300.00
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 are brand new and unused but do not come in retail Detroit / Mercedes packaging. We buy complete units from Detroit / ...
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