C.B. Mounting Bracket The Grand General C.B. Mounting Bracket (91158) is a heavy-duty, three-way mounting solution designed for optimal installation of CB antenna systems. Crafted from durable aluminum, this bracket supports a 3/8″ SO-239 connector and offers flexible mounting options horizontally, vertically, or flush to the vehicle surface. Manufacturer: Grand General Item Number: 91158 Material: Aluminum Connector: Heavy-duty 3/8″ SO-239 antenna mount Mounting Options: Horizontal, vertical, or flush-mount to mirror or vehicle surface Performance & Fit This mounting bracket is engineered for strength and versatility. Its three-way design allows installation on door mirrors, vehicle surfaces, or flat flush locations. The heavy-duty SO-239 connector ensures secure antenna attachment and reliable signal performance, even under vibration and highway conditions. Installation Choose your mounting surface (mirror stalk, flat panel, or flush plate) and mark the mounting holes. Drill or prepare the mounting points as needed based on your vehicle’s configuration. Install the aluminum bracket and securely fasten with hardware appropriate for your vehicle surface. Attach the antenna via the 3/8″ SO-239 connector, ensure tight engagement and proper grounding. Test the antenna system for correct installation and performance. Why You’ll Love It Robust aluminum construction built for rugged use Heavy-duty SO-239 connector designed for strong, reliable antenna performance Three-way mounting flexibility (horizontal, vertical, flush) for diverse applications Ideal for truck, trailer, and heavy-duty vehicle CB installations Common Questions Will this fit on my truck mirror or surface mount? Yes — the bracket supports mirror, surface, or flush mounting configurations. What connector does it use? It uses a heavy-duty 3/8″ SO-239 connector, standard for CB antenna systems. Is this durable for highway use? Yes — the aluminum bracket and heavy connector are designed to resist vibration and stress under driving conditions. ⚠️ California Proposition 65 Warning:This product can expose you to chemicals including chromium (hexavalent compounds) and nickel (metallic), known to the State of California to cause cancer and reproductive harm.For more information, visit www.P65Warnings.ca.gov. Note: This listing is for the heavy-duty CB mounting bracket (91158). Verify your mounting location and vehicle compatibility before installation.
