- Home
- Freightliner One Box
- ship-flat13
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 (11)

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...

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 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...
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 / ...

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...

Redline Emissions Products Replacement Clamp for Detroit (A0009957033 / VB2042)
$54.85
Redline Emissions Products replacement for Detroit A0009957033 OEM 12.5" V-clamp VB2042. This clamp is an exact-fit replacement for the more expensive OEM one. Fits Detroit Single DPF versions of the "OneBox" Replaces OEM: A0009957033, A0009956733 Also available in kit REP VB3019

Redline Emissions Products Replacement Clamp for Detroit (A6809950501 / VB2043)
$112.95
Redline Emissions Products replacement for Detroit A0009957033 OEM 13.6" V-clamp VB2043. This clamp is an exact-fit replacement for the more expensive OEM one. Fits Detroit Single DPF versions of the "OneBox" Replaces OEM: A6809950501, A0039955101 Also available in kit REP VB3019

OEM DETROIT Particulate Matter Sensor (A0111531328)
$250.00
Surplus OEM Detroit One Box Particulate Matter (PM) Sensor A0111531328 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 individuall...