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GROCO Thru-Hull Installation Tool [THT-530]
GROCO Thru-Hull Installation Tool [THT-530]
GROCO Thru-Hull Installation Tool [THT-530]
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GROCO Thru-Hull Installation Tool [THT-530]

Marsoni M251S
Sale price$164.99
Pay 4 payments of $41.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
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
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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]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1456 reviews
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B
Verified Purchase
Bohdan Shlapak
Dallas, US
★★★★★ 5
Great
Style: Gloss Black Double Slats, Size: F30（2012-2018）, Style: Gloss Black Double Slats, Size: F30（2012-2018）
Look great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
J
Verified Purchase
Juanaenae
Natrona Heights, US
★★★★★ 5
Fitted perfectly
Style: Gloss Black Double Slats, Size: E46（1999-2002）2-Door
Fitted perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
L
Verified Purchase
Luis Olvera
Lexington, US
★★★★★ 5
Looks so dang good!
Style: Gloss Black Double Slats, Size: F30（2012-2018）
These look incredible and are a must have upgrade on every BMW F30. Super easy to install, just snaps into place!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
H
Verified Purchase
Heath Coburn
Grantham, US
★★★★★ 5
Let there be light
Easy to mount and wire. Seems to be made sturdy for trail riding. Easy to see behind utv on dusty trails.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
R
Verified Purchase
Ron
Battle Creek, US
★★★★★ 5
Work great
Just to let people know, they dont work very well unless there is something in the air to reflect the light off like sand, rain or fog. I like them for trail riding in the dunes. More noticable than just a normal lighted whip.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025

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