Peterbilt 325–389 Bottom-Mount Mirror Arm Bracket Plate – Black Aluminum (LH Driver)
Warranty Information
ROADWEST stands behind the parts we sell. Unless otherwise stated on the product page, your purchase is covered by a 1-Year Limited Warranty against manufacturing defects under normal use.
What’s covered
- Defects in materials or workmanship
- Premature failure caused by factory-related issues
What’s not covered
- Normal wear and tear, cosmetic aging, corrosion from environment/road salt
- Damage from improper installation, incorrect wiring, modifications, misuse, or accidents
- Labor costs (installation/removal), downtime, towing, or other indirect costs
How to file a claim
Contact us with:
- Order number
- Product name / SKU
- Clear photos or a short video showing the issue
If approved, ROADWEST will provide an appropriate resolution (replacement parts, replacement unit, or refund/credit).
Please do not send items back without return authorization.
For more details, see our Shipping Policy, Easy Return & Refund Policy, and Warranty pages.
Shipping & Returns
Most ROADWEST orders ship from our U.S. warehouses within 1–2 business days. Standard ground delivery in the contiguous United States is typically 1–3 business days, with freight service used for oversized or extra-heavy parts.
- Shipping area: United States only (no PO Boxes or international addresses).
- Processing time: In-stock items usually ship within 1–2 business days, Mon–Fri.
- Delivery: Standard ground or LTL freight depending on size and weight.
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines.
- Costs: Original and return shipping are generally the customer’s responsibility, unless the issue is caused by ROADWEST (wrong item, damaged on arrival, etc.).
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Keep your mirror stable and secure with the High Soar Bottom Mount Door Mirror Arm Bracket Plate, designed for a wide range of Peterbilt medium and heavy-duty trucks. This bracket is engineered for the driver/left side, providing a solid mounting point for the door mirror arm and helping maintain clear visibility on every route.
Made from high-quality A360 aluminum with a durable black finish, this bottom mounting bracket is built to withstand constant vibration, bumps, and road shock. The upgraded design helps reduce mirror movement during operation, improving both stability and service life in demanding working conditions.
The bracket is manufactured to factory OE standards and complies with DOT & SAE requirements, making it a direct replacement for the original Peterbilt mount. No major modifications are required — simply remove the damaged or worn bracket and install this unit in its place using the existing mounting points.
Compatible with Peterbilt 335, 340, 357, 382, 385, 386, 325, 330, 348, 388, 389, 365, 367 (2005 and onward), this bracket is ideal for fleet maintenance or owner-operators who want a reliable, OE-style solution. Please double-check your truck model and year before ordering to ensure proper fit.
| Brand | High Soar |
|---|---|
| Fitment | Peterbilt 325, 330, 335, 340, 348, 357, 365, 367, 382, 385, 386, 388, 389 (2005+) |
| Auto Part Position | Driver / Left Side |
| Color / Finish | Black |
| Material | A360 Aluminum Mirror Holder |
| Mounting Type | Door Mount / Bottom Mirror Arm Mount |
| OEM Part Number | MZ-3817B-L (Replacement) |
| Fit Type | Vehicle Specific Fit |
| Included Components | 1 × Door Mirror Bottom Mount Bracket – Driver Left for Peterbilt |
| Manufacturer | High Soar |