Garmin Threaded Split Connector, For RJ45 Cables, 18 mm, 2pk

Overview

The Garmin 010-11170-00 is a split connector with an 18 mm threaded collar for RJ45 network cables. It is used when you need to run a network cable through a tight chase or an existing pass-through and want to avoid opening up the hole just to get a one-piece collar through.

This is a small fitting, but it matters during installs and refits where cables have to snake through a helm, hardtop, mast conduit, radar pedestal, or a sealed electronics box. Once the cable is routed, the collar can be assembled around the cable so the connection can be finished cleanly at the device end.

Key features

• 18 mm threaded collar format for RJ45 network cable terminations
• Split construction so the collar can be fitted after the cable is already pulled
• Helps keep existing rigging tubes and bulkhead penetrations usable during upgrades and service work
• Intended for marine networking layouts where Garmin network devices are linked by RJ45 cabling
• Useful when routing cables through consoles and towers where access is limited and holes are hard to enlarge

Compatibility and fit

It is commonly used with Garmin marine network equipment including GDL 30/30A; GMR 12xx series; GMR 18 series; GMR 20/21/24/40 series; GMR 4xx/6xx series; GMS 10 Network Port Expander; GPSMAP series; GSD 22/24/25/26; and the pedestal for GMR 404xHD/406xHD.

Match it to a threaded RJ45 network cable setup. This part does not change wiring or convert connectors, and it is not meant to join two separate cables together.

Installation and setup

Plan the cable route first and pull the network cable to the device location. With access to the cable end, assemble the split collar around the cable and seat it so it sits correctly at the connection point. Thread the collar carefully by hand to avoid cross-threading, then snug it down without forcing it.

If you are building a new pass-through, allow clearance for the 18 mm threaded collar and for your hands to tighten it once the cable is in place.

Use cases on board

This connector is a good fit for boats where network cables must pass through hardtops, masts, bulkheads, or radar pedestals and the existing openings are already finished. It also helps when you are repowering electronics and want to reuse the same cable paths instead of cutting larger holes in fiberglass or aluminum.

Maintenance and care

Keep the threads and mating surfaces clean so the collar seats smoothly. After work in wet or salty areas, wipe down the connection area and check that the collar has not loosened from vibration.

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