P SEPEY Freightliner New Cascadia Door Mirror Arm Cover — Passenger Side Black ABS, 2018+ Direct-Fit

SEPEY Black Door Mirror Arm Cover for the passenger side is a direct-fit replacement designed for 2018 and later Freightliner New Cascadia trucks to protect the mirror arm and refresh the vehicle's appearance.

This passenger-side arm cover from SEPEY is crafted to match the door mirror assembly on Freightliner New Cascadia models beginning in 2018. Built from durable ABS, the cover resists weathering and wear while offering a clean, factory-style look. Installation follows OE alignment so owners or technicians can swap the panel without complicated modifications.

Will this cover fit my Freightliner New Cascadia?

Yes — the part is produced to fit Freightliner New Cascadia model years 2018 and up. Confirm the model year and mirror configuration on your truck before purchase to ensure a proper match.

• Compatible with Freightliner New Cascadia 2018, 2019, 2020, 2021, 2022, 2023, 2024
• Specifically for the passenger (right) side door mirror arm
• Engineered to meet original equipment dimensions for an accurate fit

How does this arm cover protect the mirror assembly?

The SEPEY arm cover shields the mirror arm from surface damage such as scratches and minor impacts, and reduces exposure to oxidation and environmental wear. It serves as a replaceable exterior layer that preserves the underlying mirror arm finishes.

• ABS construction resists rust and fading from sun and moisture
• Covers chips and scratches on the existing arm while preventing new damage
• Maintains a uniform appearance across the mirror assembly

How difficult is installation and what tools are needed?

Replacement is straightforward because the cover aligns with the OE mounting points. A basic set of hand tools is usually sufficient, and the piece is intended for direct swap without cutting or custom trimming.

• Designed to meet OE standards for easy, bolt-on replacement
• Typical installation requires common tools—screwdrivers, socket set, and trim tools
• Can be installed by owners familiar with exterior trim or by a shop in minimal time

What material and durability can I expect from this cover?

The cover is molded from high-quality ABS plastic chosen for toughness and weather resistance. It withstands everyday exposure on the road and keeps its form and finish through repeated use and changing conditions.

• ABS material provides impact resistance and dimensional stability
• Formulated to resist oxidation, wear, and UV-related fading
• Colour-matched black finish gives a discrete, professional look

Who is this for: Drivers, fleet managers, and technicians who operate or maintain Freightliner New Cascadia trucks from 2018 onward and want a reliable, OEM-aligned passenger-side mirror arm cover. It's suited to anyone replacing a worn or damaged arm cover, refreshing a truck’s exterior, or maintaining a consistent fleet appearance. If you need help confirming fitment or have post-purchase questions, SEPEY customer support is available to assist.