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Free Ground Shipping Over $149 | Details
Free Ground Shipping Over $149 | Details

Sea-Dog Thru-Hull Fittings for Above Waterline Drainage in Polypropylene and Acetal

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Availability :
Available for Order
Availability :
Available for Order
Availability :
Available for Order
Typically Ships in 1 to 2 Weeks
Typically Ships in 1 to 2 Weeks
Typically Ships in 1 to 2 Weeks
Original price $6.00 - Original price $11.95
Original price
$6.00
$6.00 - $11.95
Current price $6.00
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Sea-Dog thru-hull fittings are designed for reliable water drainage above the waterline. Ideal for marine environments, these fittings are constructed from corrosion-resistant materials including injection molded polypropylene and acetal, making them impervious to electrolysis and perfect for saltwater use. Each thru-hull is designed for use with hose connections to allow water to pass in or out of a vessel efficiently.

  • Part Number 520740: Polypropylene, white color, dimensions A 1-3/4", B 1/2", C 1-11/16", D 3-1/2", E 1", F 5/8", weight 0.07 lb
  • Part Number 520790: Polypropylene, white color, dimensions A 2-7/8", B 1-3/16", C 2-5/16", D 4-3/16", E 1-13/16", F 1-1/2", weight 0.23 lb
  • Part Number 520690: Acetal, dimensions A 2-13/16", B 1-1/2", C 3-1/2", D 5-9/16", E 1-13/16", F 1-1/2" hose connection, weight 0.33 lb

These thru-hull fittings are engineered for dependable performance and easy installation, making them a trusted solution for marine drainage systems.

Brand: Sea-Dog

WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov

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Backorder Policy: Occasionally, due to demand or supplier delays, some items may be temporarily out of stock or non-stock items. To ensure you can still get the products you need, you can order items even when they're out of stock. Our sales team will update you with the shipping lead time. Once back in stock, we promptly ship your item, and if your order includes both in-stock and backordered items, we may split the shipment. You can cancel your backorder before shipment, and request a refund to original payment method. For any inquiries, contact us at sales@freeportmarine.com.