Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Attwood Marine

Attwood Marine Stainless Steel Thru-Hull, Short Straight Barbed 1-1/8" ID

Attwood Marine Stainless Steel Thru-Hull, Short Straight Barbed 1-1/8" ID

SKUCT-120183

Regular price $35.91
Regular price Sale price $35.91
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Upgrade your vessel with the enduring quality and refined aesthetics of the Attwood Marine Stainless Steel Thru-Hull Fitting (Part No. 66543-3). Engineered from certified Enhanced 316 Stainless Steel alloy, this fitting delivers superior corrosion resistance for a lifetime of dependable marine use. Its mirror-polished finish not only enhances your boat's appearance but also resists harsh marine environments. Designed for straightforward installation and lasting performance, this thru-hull is an essential component for secure, above-waterline connections. Choose Attwood for proven durability and a polished finish that stands the test of time.

Key Features & Benefits:

  • Premium 316 Stainless Steel: Cast from certified Enhanced 316 Stainless Steel alloy for exceptional strength and lifetime corrosion resistance in harsh saltwater conditions.
  • Mirror-Polished Finish: All visible areas are polished to a brilliant mirror finish and passivated for additional protection, ensuring a sleek, attractive look that lasts.
  • Rugged Construction: Thick steel sidewalls are designed to withstand continual stress and hose flexing without compromising integrity.
  • Simplified Installation: Features a channel under the flange for easy sealant application and wrench flats/end notch for single-installer tightening from inside the hull, streamlining your setup.
  • Secure Hose Connections: Barbed tail ends provide ample length for multiple clamps, ensuring a reliable and watertight hose attachment.
  • Compact Design: The short thread configuration allows for versatile installation in confined areas and near corners.

Specifications:

  • Hose Size: 1-1/8" Inner Diameter
  • Flange Diameter: 2-1/4"
  • Thread Outside Diameter: 1-3/8"
  • Thread Length: 1-1/4"
  • Barb Length: 1"
  • Total Length: 2-1/2"
  • Installation Hole Saw Size: 1-1/2"
  • Maximum Hull Thickness: 5/8"
  • Installation Note: Designed for installation above the waterline only.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details