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)

Redline Emissions Products Replacement for Detroit Mercedes DD13 / DD15 DPF One Box (A6804910894 / REP 52976)
$1,150.00
Redline Emissions Products 52976 OEM DPF Replacement for Detroit Mercedes DD13 / DD15 "Detroit One Box" OEM: A6804910894, A0004903792, A6804913494, A0014903492, A6804913594, A0014903592, EA0014903492 Uses G03001 gaskets (included) and VB2007 clamp & VB2008 clamp (not included) Our filters are made in the USA, meet or exceed OEM specificati...

DPFXFIT for Detroit Diesel DD13, DD15 (A0014907692 / GESi-0081)
$1,030.00
This new aftermarket DPF is a direct replacement for the OEM unit. GESi filters are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These filters also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compati...

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.

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...

Roadwarrior replacement DPF for Detroit Diesel (A0004903692 / SUR C0088-SA)
$800.00
New surplus Roadwarrior replacement DPF for Detroit Diesel A0004903692. Other OEM numbers: A0004903692, A6804910494 Also see Redline 52977, Skyline DJ1005-K, GESi-0052 DPFPD is not an authorized Road Warrior Distributor, or plans on being one. We have new units for sale that have come from inventory buyouts. Can not be sold or shipped to Califor...

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...

DPFXFIT OEM Replacement DPF for Detroit (A0024908392 / GESI-0097)
$1,962.00
This new aftermarket DPF is a direct replacement for the OEM unit. GESi filters are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These filters also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatib...
Freightliner One Box DPF, Reman, OEM ( RA0004903692 / A6804910494 )

Freightliner One Box DPF, Reman, OEM ( RA0004903692 / A6804910494 )
$850.00
This OEM Detroit / Mercedes RA0004903692 DPF is a new Remanufactured filter. There is no core charges for this product. Comes with (1) 2-bolt Clamp, VB2007 and (1) G03001 gasket Replaces the following numbers: A0004903692, A6804910494 Other Aftermarket filters: GESI-0052, Skyline DJ1005-C, REP 52977 DPF size: 13-3/16" X 7.50" Can not be sold or...

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...