Thru-Hull Fittings
Showing 1–12 of 77 results
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![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-white-plastic-90-degree-thru-hull-connector-1-1-8-inner-diameter-3879-3-1.webp)
Attwood 90° Thru-Hull Fitting – White Plastic, 1-1/8″ ID [3879-3]
$19.90 Add to cart -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-white-plastic-90-degree-thru-hull-connector-3-4-inner-diameter-3877-3-1.webp)
Attwood 90° White Plastic Thru-Hull Connector – 3/4-Inch ID (Model 3877-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-short-straight-barbed-1-1-2-inner-diameter-66545-3-1.webp)
Attwood Short Straight Barbed Stainless Thru-Hull – 1-1/2-Inch ID (Model 66545-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-short-straight-barbed-3-4-inner-diameter-66541-3-1.webp)
Attwood Short Straight Barbed Stainless Thru-Hull – 3/4-Inch ID (Model 66541-3)
$19.90 Add to cart -
![Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-scupper-valve-barbed-1-1-2-hose-size-66553-3-1.webp)
Attwood Stainless Steel Scupper Valve with Barbed Fitting – 1-1/2-Inch Hose Size (Model 66553-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-short-straight-barbed-1-inner-diameter-66542-3-1.webp)
Attwood Stainless Steel Thru-Hull Fitting – Short Straight Barbed Design, 1″ ID [66542-3]
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-standard-straight-barbed-3-4-inner-diameter-66547-3-1.webp)
Attwood Stainless Steel Thru-Hull Fitting – Straight Barbed, 3/4-Inch ID
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-standard-straight-barbed-1-1-2-inner-diameter-66551-3-1.webp)
Attwood Standard Straight Barbed Stainless Thru-Hull – 1-1/2-Inch ID (Model 66551-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-standard-straight-barbed-1-1-8-inner-diameter-66549-3-1.webp)
Attwood Standard Straight Barbed Stainless Thru-Hull – 1-1/8-Inch ID (Model 66549-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-standard-straight-barbed-1-inner-diameter-66548-3-1.webp)
Attwood Standard Straight Barbed Stainless Thru-Hull – 1-Inch ID (Model 66548-3)
$19.90 Add to cart -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/attwood-stainless-steel-thru-hull-standard-straight-barbed-5-8-inner-diameter-66546-3-1.webp)
Attwood Standard Straight Barbed Stainless Thru-Hull – 5/8-Inch ID (Model 66546-3)
$19.90 Add to cart -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001Ss] 1](https://autopartscorner.shop/wp-content/uploads/2026/05/forespar-pro-series-valve-stainless-steel-capped-thru-hull-fits-1-2-3-4-930001ss-1.webp)
Forespar Pro Series Stainless Steel Capped Thru-Hull Valve – Fits 0.5–0.75 Inch Pipes (Model 930001SS)
$19.90 Add to cart
Showing 1–12 of 77 results