- Home
- Freightliner One Box
- Western Star
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 (7)
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 / 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...

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.

Durafit Replacement DPF for Detroit Diesel (A6804914194 / C17-0096)
$1,127.00
DuraFit™ Replacement Diesel Particulate Filter (DPF) for Detroit Diesel DD13 / DD15 Engines. **Gaskets included!** Replaces OEM Numbers: A6804914194, EA6804914194, RA6804914194 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to California at this t...