Sea-Dog Nylon Rail Mount Antenna Bracket – 7/8" to 1" Rail | SED-327148-1
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You have 30 days to request a return. All sale items are final sale.
Mount Your Antenna on Any 7/8" or 1" Rail — Fast and Clean
The Sea-Dog Nylon Rail Mount Antenna Bracket is a straightforward, corrosion-proof solution for mounting a VHF, GPS, or AIS antenna directly to your boat's rail. Injection-moulded from durable nylon, it clamps securely to any 7/8" or 1" horizontal or vertical rail and holds your antenna at the right height and angle without adding unnecessary weight to your rigging.
Stainless steel screws are included, so you have everything you need for a solid, weather-resistant installation right out of the box. The bracket accepts any antenna with a standard 1"-14 thread — the universal connection used by virtually all marine VHF, GPS, and AIS antennas — making it a plug-and-play upgrade for most boats.
Key Features
- Fits 7/8" and 1" rails — horizontal or vertical mounting
- Accepts any antenna with a standard 1"-14 thread
- Injection-moulded nylon — lightweight, corrosion-proof, and UV-resistant
- Stainless steel screws included — ready to install
- Height: 3-5/8"
Specifications
- Material: Nylon with stainless steel hardware
- Rail compatibility: 7/8" to 1" OD
- Thread: 1"-14 (standard marine antenna thread)
- Height: 3-5/8"
- MPN: 327148-1
Compatible & Related Products
- Sea-Dog Stainless Steel Rail Mount Antenna Bracket | SED-327145-1
- Sea-Dog Rail Mount Antenna Bracket | SED-327145
- Sea-Dog Rail Mount Antenna Bracket | SED-327141-1
- Sea-Dog Rail Mount Antenna Bracket | SED-327140
- Sea-Dog Nylon Antenna Thread Adapter – 3/8"-24 to 1" Base | SED-329550-1
- Sea-Dog 316 SS Antenna Mount Extension – 12" | SED-329532-1
- Sea-Dog 316 SS Antenna Mount Extension – 24" | SED-329536-1
🔧 Parts Desk Insights
Best use case: This bracket is the go-to for sailboats, pontoons, and fishing boats with existing 7/8" or 1" stainless rails where you want to add or relocate a VHF or GPS antenna without drilling into the deck. It's especially popular on sailboats where the stern rail is the preferred antenna location for VHF range, and on pontoons where a rail mount keeps the antenna clear of the bimini. The nylon construction keeps weight low and won't corrode against your stainless rail.
Heads up: If you need a heavier-duty or more permanent installation, the Sea-Dog Stainless Steel Rail Mount Antenna Bracket (SED-327145-1) offers a lever-action laydown handle and full 316 SS construction. If your antenna has a 3/8"-24 thread instead of the standard 1"-14, you'll need the thread adapter. Need more height above the rail? A 12" or 24" extension can be added above this bracket.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.