SKU: 71185532372

GROCO Thru-Hull Installation Tool [THT-530]

Sale price$148.49 Regular price$164.99
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Ships within 48 hours · Estimated delivery Jun 24 - Jun 29

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Description

GROCO Thru-Hull Installation Tool [THT-530]Thru Hull Installation Tool Thru Hull Installation Tool The Concept: THT 530 makes the installation of standard GROCO thru hull fittings possible by a single installer. Slide the thru hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole

GROCO Thru-Hull Installation Tool [THT-530]
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 71185532372

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4.6 ★★★★★
Based on 1637 reviews
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Product Reviews
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Verified Purchase
elvis
Bozeman, US
★★★★★ 5
Perfect fit for my Nissan 3.5hp outboard
runs better than ever
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 14, 2025
S
Verified Purchase
Shawn L.
Grantham, US
★★★★★ 5
Honda product and quality.
Do NOT understand why my lawnmower with a Honda engine did not come with a Honda carburetor. Replaced with this Honda carburetor and starts easily. The other carb only lasted 1.5 years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2021
J
Verified Purchase
Jonathan Porter
Pawtucket, US
★★★★★ 2
Worked but not well made. If you need 24 hour turnaround only option.
The housing is 95% identical. Float valve seat is smaller than mercury/quicksilver. The carb I received was stuck wide open. Had to completely pull it apart to fix the throttle. Then the choke didn’t work correctly. So I ended up putting this housing on with all my old mercury carb parts inside. All I needed was a new float valve but they are back ordered indefinitely. So this worked because the housing is correct but that’s about it. Internals were plastic. Not metal. Jury is still out on the jet size. I’ll update if it floods the motor at speed. Seems to be running very rich. If you’re looking for easy, I’d buy the quicksilver that’s tuned for the motor already. The carb I received idled too fast and even if the throttle wasn’t stuck open it wouldn’t have run well with a racing choke (screams air leak because of poor quality)
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Reviewed in the United States on April 3, 2024
J
Verified Purchase
Joe Mugavero
Pawtucket, US
★★★★★ 1
Throttle pin defective
This carb fits my tohatsu 3.5 hp but the throttle pin is defective. The only way to regulate it running wide open is to choke it out.
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Reviewed in the United States on December 4, 2024
A
Verified Purchase
Asher Dahan
Port Orchard, US
★★★★★ 5
Perfect fit for a 3.5 nissan
At a great price
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Reviewed in the United States on May 9, 2022

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