United Pacific 42855: Cascadia center inner reinforcement with OEM-radar clearance
United Pacific 42855 is an injection-molded plastic center-bumper inner reinforcement with a clearance cutout for the OE radar unit and pass-through holes for the tow-hook receivers. It includes OE-spec clip-on nuts for installation of the corner reinforcements.
Fitment and equipment checks
Listed for 2008–2017 Freightliner Cascadia. Listed for models with OEM radar; the manufacturer also permits use on models without OE radar. Compare OE reference 21-28443-014, the radar clearance and the actual mounting arrangement. The radar unit itself is separate.
Specifications and package contents
- Part number: 42855
- Component: Center bumper inner reinforcement
- Material: Injection-molded plastic
- Radar provision: Center clearance cutout for OE radar unit
- Tow-hook provision: Receiver pass-through holes
- Included hardware: OE-spec clip-on nuts for corner reinforcements
- OE reference: 21-28443-014
- Package quantity: One reinforcement
- Warranty: 6-month warranty listed by BTS
Installation notes
Compare the replacement reinforcement, radar clearance and tow-hook openings with the existing equipment before fastening. Inspect the corner reinforcement connections and use the correct clip-on nuts. Keep radar clearance unobstructed and have the installer follow the vehicle procedures for any disturbed radar equipment.
What is included
One 42855 center inner reinforcement with OE-spec clip-on nuts for corner-reinforcement installation. The radar unit, tow hooks, outer bumper cover and corner reinforcements are separate.
Questions about United Pacific 42855
Does 42855 include the OEM radar sensor?
No. It provides a clearance cutout for the OE radar unit. The sensor and its related vehicle equipment are separate.
Can it be used on a truck without OEM radar?
Yes. United Pacific states this radar-clearance reinforcement can also be used on models without OE radar. Match OE reference 21-28443-014 and the actual mounting arrangement.
What tow-hook provision is included?
The reinforcement has pass-through holes for the tow-hook receivers. The hooks and receivers themselves are separate vehicle components.
What mounting hardware is supplied?
The manufacturer lists OE-spec clip-on nuts for installing the corner reinforcements. Inspect the adjoining components and confirm the full attachment arrangement before fitting.
How is this different from 20842?
Part 42855 provides OE-radar clearance and is also listed for use without OE radar. Part 20842 is specifically restricted to trucks without OEM radar. Choose by the actual equipment and OE reference.

















