T-H Marine 1-1/8 Inch Straight Thru-Hull Fittings - UV-Stabilized Virgin Material for Marine Plumbing - Secure Hose Barb for Livewell and Drain Systems - OEM and Aftermarket Rigging - Standard Length

T-H Marine’s 1-1/8 inch straight thru-hull fittings deliver OEM-grade performance for marine plumbing systems including livewell drains, overflow tubes, and general water-routing applications. Constructed from high-quality virgin materials and fully UV stabilized, these fittings maintain durability, consistent sizing, and a clean appearance under long-term sun exposure and demanding marine conditions. The precision-molded hose barbs match specifications from major hose manufacturers, ensuring secure, leak-resistant connections on 1-1/8 inch hose. The straight body configuration supports efficient plumbing layouts in bilges, transoms, and tight rigging spaces. This product family includes multiple variants—black, white, chrome plated, and extended-length options—each engineered with the same professional standards trusted by OEM boat builders across the United States. Whether replacing an existing fitting, upgrading aftermarket rigging, or outfitting a custom build, these thru-hull fittings provide reliable, long-term performance for freshwater and saltwater boats.

• HIGH-QUALITY VIRGIN MATERIALS – Molded from premium virgin plastic engineered for durability, consistent sizing, and a clean, professional finish trusted by OEM boat builders.
• UV-STABILIZED FOR LONGEVITY – Built to withstand harsh sun exposure and marine environments, maintaining structural integrity and appearance through seasons of fishing, trailering, and storage.
• PRECISE HOSE BARB FIT – Each hose barb is manufactured to match specifications from leading hose manufacturers, ensuring a secure and leak-resistant connection on 1-1/8 inch marine plumbing lines.
• STRAIGHT-THROUGH DESIGN – Straight body layout supports efficient hose routing for livewell systems, drains, and general marine plumbing, allowing simple integration into tight bilge and transom areas.
• PROVEN OEM PERFORMANCE – Used by more U.S. boat builders than any other plastic thru-hull line, offering dependable performance for freshwater and saltwater rigging on fishing boats, pontoons, and runabouts.