T-H Marine Supplies, LLC is one of the most respected names in the marine industry, manufacturing a wide range of performance-enhancing boating accessories that are proudly made in the United States. Established in 1975 in Huntsville, Alabama, the company has grown into a trusted Tier 1 supplier for virtually every major boat manufacturer in the country while also serving aftermarket distributors, marine retailers, and direct-to-consumer customers nationwide.

With an expansive catalog of thousands of products, T-H Marine’s offerings include livewell systems, outboard motor mounts, jack plates, boat rigging components, LED lighting, trolling motor accessories, deck hardware, hatches, and their signature HOT FOOT throttle system. These components are used by professional anglers, tournament fishing teams, and recreational boaters alike — all relying on the brand’s reputation for durability, precision engineering, and on-the-water performance.

T-H Marine is more than a parts supplier — it is a company built by boaters, for boaters. With a culture rooted in American values, the company is driven by real-world feedback from fishing professionals, engineers, and end-users to continuously develop products that improve the marine experience. They maintain strong internal R&D, quick-turn innovation cycles, and a hands-on approach to quality control that reflects the pride of American craftsmanship.

Over the decades, the company has expanded its operations through strategic acquisitions and product line growth, while never straying from its core mission: delivering superior marine solutions that are built to perform and built to last — right here in the USA. As of 2025, T-H Marine is celebrating 50 years of innovation, job creation, and industry leadership, reinforcing its legacy as an iconic American marine brand committed to excellence on and off the water.



Keep your outboard’s control cables and wiring tidy, protected, and easy to service. This low‑profile flange connects your rigging hose to the boat for a clean transition through the transom, giving your rig a factory‑finished look while shielding lines from abrasion, UV, and water.

Designed for 2.5-inch rigging hose, the flange uses an internally threaded interface that locks the hose in place without clamps at the deck side. That design also makes length tweaks and re‑rigs simpler when you add electronics or repower.

Built from marine‑grade polypropylene, it’s lightweight, corrosion‑proof, and tough enough for harsh salt or freshwater duty. A textured backside helps the flange grip when mounted in inverted positions, supporting a secure installation on a variety of hulls and layouts.

Whether you’re finishing a brand‑new build or cleaning up an older rig, this flange brings order and protection to the busiest area around your outboard. It’s the small detail that makes your boat look sharp and run cleaner, season after season.

2.5-Inch Outboard Rigging Flange – Black

Dress up and protect your transom rigging with a clean, professional finish. This black flange fits standard 2.5-inch rigging hose, using an internally threaded design to secure the hose and simplify adjustments. Durable marine‑grade polypropylene stands up to sun, salt, and spray.

2.5-Inch Outboard Rigging Flange – Black

$16.67

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