Forespar 906013 Mushroom Head Thru-Hull with Screen, 3/4"

Forespar 906013 Mushroom Head Thru-Hull with Screen, 3/4"
SKU: 253062
Mfg# 906013
LFS# FSP906013
UNIT: Each
In Stock - Ships out in 1 Business Day
Forespar 906013 Mushroom Head Thru-Hull with Screen, 3/4"
p/n 906013

Forespar thru-hull connectors are precision molded in high-strength non-corrosive Marelon . Their great strength, light weight and complete freedom from corrosion and electrolysis make them ideal thru-hull connectors for use above or below the waterline.

Features: Lightweight, yet extremely strong injection-molded parts
Completely free from electrolysis or reaction to any metals - no electrical bonding required
Completely free from any corrosion
Minimal maintenance requirements - requires periodic lubrication
Long term reliability

Specifications: Length: 2-1/4"
Thread: 3/4"

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Question: On the Forespar (906013) Mushroom Head Thru-hull fitting (3/4") do the threads go all the way to the mushroom head? I cannot tell from the picture. I have an aluminum hull that is only 1/4" thick so I need the threads to butt up against the mushroom head to get a sealed fit when I run the nut up. Also, can you give me the hole size that this thru-hull fitting will need to go through? I am trying to use the existing hole that I pulled a bait pump off of.  

Answer: Threads do go all the way. 3/4" is the OD of the threaded section so that is the size hole you need.


Forespar Products Corp. warrants all products manufactured by it to be free from factory defects in material and workmanship under normal use and with normal maintenance for a period of thirty six 36 months from the date of initial retail sale. The Limited Warranty is extended only to the original retail purchaser and does not run to any subsequent purchaser. Proof of purchase is required.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.