Top 8 Through Hull Fittings For Boats – Boat Plumbing Fittings

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1. attwood


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

attwood #ad - Fits 1-1/8 inch to 1-1/4 inch inside diameter hose. Max hull thickness: 1-1/4 inch. Ensures a reliable thru-hull connection. Stem length: 3-1/4 inch. Requires 1-3/8 inch installation hole.
Brandattwood #ad
ManufacturerAttwood #ad
Height0 Inches
Length0 Inches
Weight0.27 Pounds
Width0 Inches
Part Number3874-3

2. Johnson Pumps of America


Johnson Pumps of America 7503 5 Marine 90 Degree 3/4" White Thru-Hull Connector

Johnson Pumps of America #ad - Outside nut is secured to the threaded shaft with a deck plate key. Makes for a neat, finished installation. No threaded section protruding through the head or need for saws. Built with Johnson Pump quality.
BrandJohnson Pumps of America #ad
ManufacturerJohnson Pump #ad
Weight0.05 Pounds
Part Number7503 5
Model7503 5

3. attwood


Attwood 3877-3 Polypropylene 90-Degree Thru-Hull Connector, White Finish

attwood #ad - Max hull thickness: 1 inch. Fits ¾ inch inside diameter hose. Ensures a reliable thru-hull connection. Requires 1 inch installation hole. Flange diameter: 1-1/2 inch.
Brandattwood #ad
ManufacturerAttwood #ad
Height3.25 Inches
Length4.5 Inches
Weight0.05 Kilograms
Width9.25 Inches
Part Number3877-3

4. attwood


Attwood Corporation 3886-3 White Thru-Hull Connector with Strainer

attwood #ad - Country of Origin :China. Package dimensions :8. 75" l x4. 0" w x2. 75" h. Product type :Auto Accessory. Package weight :025lbs.
Brandattwood #ad
ManufacturerAttwood #ad
Height2.75 Inches
Length8.75 Inches
Weight0.2 Pounds
Width4 Inches
Part Number38863

5. attwood


Attwood Corporation 3875-3 Straight Thru-Hull Connector

attwood #ad - Max. Hose size: 1 1/2 inch I. D. Stem length: 3 1/2 inch. Hull thickness: 1 1/4 inch. Installation hole size: 1 7/8" to 2". Flange diameter: 3 inch.
Brandattwood #ad
ManufacturerAttwood #ad
Height7.75 Inches
Length6.5 Inches
Weight0.2 Pounds
Width17.25 Inches
Part Number3875-3



Seachoice 18141 90 Degree Thru-Hull Connector – Fits 1-1/8 Inch ID Hose – 1-1/8 Inch Max Hull

SEACHOICE #ad - For use with a 1-1/8 inch ID hose. Broad 1-7/8 inch flange. Fits hulls up to 1-1/8 inch thick. One-nut application; designed for use with one back nut. Designed for easier applications where hose is difficult to route. Made of durable, high-impact plastic to withstand the rigors of marine environments.
ManufacturerSeachoice #ad
Height8.75 Inches
Length5.75 Inches
Weight0.11 Kilograms
Width2.67 Inches
Part Number50-18141




SEACHOICE #ad - Suitable for single or double cable. Headphone diameter maximum voice coil, installation requires a hole of 19 mm. Pasacascos de autofijacin. No need plus screws.
ManufacturerSeaChoice #ad
Height6.75 Inches
Length3.75 Inches
Weight0.11 Kilograms
Width2.25 Inches
Part Number50-17921

8. Perko


Perko 0322DP5PLB Thru-Hull Connection, 3/4" Pipe

Perko #ad - Pipe size: 3/4"; mounting Hole Diameter: 1". Neck threaded approximately 3/8" from the flange. Grooved to retain bedding compound. Max hull thickness: 1-1/2"; OD Flange: 1-7/8". Machined to fit a boat hull.
BrandPerko #ad
ManufacturerPerko #ad
Height2 Inches
Length4 Inches
Weight0 Pounds
Width2 Inches
Part Number0322DP5PLB