T-H Marine's Plastic Thru-Hull Fittings are the leading choice for boat enthusiasts and professional builders alike.
As the top supplier of plastic thru-hull fittings in the U.S.A., T-H Marine guarantees unmatched quality and durability in every marine hose fitting produced, trusted by more OEM boat builders than any other brand on the market.
Crafted using high-quality virgin materials, our durable thru-hull parts are designed to withstand the harshest marine conditions.
Each fitting is UV stabilized, protecting your investment from sun exposure, enhancing longevity and reliability.
Whether you require a sturdy black option or an elegant chrome plated thru-hull fitting, we offer a diverse selection tailored to meet both functional and aesthetic needs.
Our range includes essential products such as the TH-750XLCP Extended Chrome Plated Thru-Hull, the TH-750 Standard Black Thru-Hull, and various extended lengths for unique installation requirements.
Each of our thru-hull fittings is engineered to ensure a secure fit with the most prominent hose manufacturers, delivering peace of mind when you set sail.
We understand that compatibility is critical, and our thru-hull fittings are specifically designed with industry-standard sizes in mind, accommodating even the thicker transoms found on many modern vessels.
Although some installations may present challenges, we strive to provide resources that simplify the process.
Our commitment to OEM integrity guarantees that T-H Marine products meet stringent quality standards, making them a preferred choice for both boat upgrades and new builds.
Investing in T-H Marine’s quality marine products means you won’t have to settle for less.
Elevate your boating experience with our reliable thru-hull fittings, designed not only for performance but also for a polished look on the water.
Explore our extensive selection of thru-hull fittings today.
Whether for replacement or installation on new projects, choose T-H Marine for your plastic thru-hull needs—where quality and customer satisfaction are our top priorities.