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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 (3)

Skyline OEM replacement DPF for Detroit Diesel DD13/DD15 (A6804910894 / DJ0806-C)
$938.00
Skyline OEM DPF Replacement for Detroit Diesel DD13/DD15 (DJ0806-C) Replaces OEM Part #: A6804910894, EA6804910894, A6804903792, RA6804903792, A0004903792, RA0004903792, A6804913494, A0014903492, EA0014903492, RA0014903492, A6804913594, A0014903592, RA0014903592. Note, sold each, system requires (2) DPFs. Picture for reference only. Includes the...

Skyline OEM replacement DPF for Detroit Diesel One Box DD15/DD16 (A6804910494 / DJ1005-C)
$1,353.00
Skyline OEM DPF Replacement for Detroit Diesel DD15/DD16 (DJ1005-C) "One Box" Sold each, system requires (2) DPFs. Picture for reference only. Replaces OEM Part #: A6804910494, EA6804910494, A6804903692, RA6804903692, A0004903692, RA0004903692 Includes the required gaskets and clamps!Note: This product cannot be sold or shipped to CA at the pre...

Skyline OEM replacement DPF for DD13 / DD15 Detroit Diesel (A0024908392 / DQ0919-C)
$1,985.00
Skyline OEM DPF Replacement for Detroit Diesel Series DD13, Detroit Diesel DD15 (DQ0919-C) Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM filter. Our Exact-Fit™ approach makes installation fast and easy without cutting or welding to get you back on the road. Skyline Emissions filters are designed and manufact...