Ensure a secure and leak-free thru-hull connection for your boat with the Attwood 3874-3 Polypropylene Durable Thru-Hull Connector Fitting, the essential marine hardware for reliable plumbing and water intake systems.

Unwavering Durability and Corrosion Resistance:

Built to Last: Crafted from high-grade, UV-stabilized polypropylene, this connector is designed to withstand the harsh marine environment, ensuring long-lasting performance and protection against cracking, fading, and corrosion.

Impenetrable to Corrosion: Unlike metal connectors, this polypropylene fitting is impervious to rust, electrolysis, and other forms of corrosion, safeguarding it from damage and ensuring a long lifespan.

Seamless Compatibility: The connector's standard 1-1/8" to 1-1/4" inside diameter allows for easy compatibility with a wide range of hoses and plumbing systems, making it suitable for various boats.

Hassle-Free Installation and Secure Connection:

Effortless Installation: The connector features a straightforward design that allows for quick and easy installation, even for DIY enthusiasts, without the need for specialized tools or expertise.

Watertight Seal: The connector's secure barbed design ensures a tight, leak-proof connection between the hose and the hull, preventing water leaks and potential damage to your boat.

Peace of Mind for Every Boating Adventure: Enjoy the tranquility of knowing your plumbing and water intake systems are securely connected, preventing water damage, malfunctions, and ensuring a smooth and enjoyable boating experience.

Attwood 3874-3 Polypropylene Durable Thru-Hull Connector Fitting - Your Trusted Partner for Marine Plumbing:

Attwood Quality: Backed by Attwood's reputation for marine excellence, this connector is meticulously crafted to meet the highest standards of quality and durability.

Exceptional Value: Experience the peace of mind of a reliable thru-hull connection at an unbeatable price.

Invest in the dependability and efficiency of your boat's plumbing and water intake systems with Attwood's 3874-3 Polypropylene Durable Thru-Hull Connector Fitting.


Ensures a reliable thru-hull connection
Fits 1-1/8 inch to 1-1/4 inch inside diameter hose
Stem Length: 3-1/4 inch
Max Hull Thickness: 1-1/4 inch
Requires 1-3/8 inch installation hole

Size One Size
Color White
Brand Attwood
Material Other
Item Weight 3.2 ounces
Age Range (Description) Adult
Global Trade Identification Number 00022697387431
UPC 022697387431
Manufacturer Attwood

Attwood 3874-3 Polypropylene Durable Thru-Hull Connector Fitting, White Finish