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3M 4000 Marine Adhesive

Rated 5.0 out of 5
Based on 6 reviews
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3M 4000 Marine Adhesive
$14.39
$17.99
IN STOCK - Ships
Place your order prior to 4PM EST/1PM PST for same day shipping on all in stock items.

Item: 37003

3M 4000 Marine Adhesive creates a water-tight seal when installing thru-hull fittings below or above the water, creates a non-corrosive connection that is semi-permanent.

If you're installing thru-hull fittings for your new ballast system, or you need to seal the connection between two threaded fittings, 3M 4000 Marine Adhesive is the ideal product. Fast curing (dries completely in just 24 hours), non-corrosive (ideal for metal fitting connections) and white in color, 3M 4000 Marine Adhesive performs perfectly for years of dependable leak free use.

This is the same product used to install the thru-hull fittings and hardware at the factory when your boat was built, so do the job right when installing additional fittings for a ballast system.

One 3 ounce tube provides more than enough adhesive to install all of the thru-hull connectors in your boat, typically providing sealing for 18-20 fittings.

3M Marine Part # 051135-05280

Warranty
1 Year
Manufacturer Part Number
71-05280
Item#
37003
Warning
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average rating 5.0 out of 5
Based on 6 reviews
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6 Reviews
Reviewed by Richard H.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

One of the two proper adhesives to use on thruhulls...

The two adhesives you should use for thruhulls are 3M 4000 (this one) and 3M 5200. The main difference between them is permanence: While 4000 can be removed with some effort, 5200 may as well be like welding the fitting to the hull! In my opinion everything on a boat is likely to need maintenance someday, so I don't want to make that future job any harder than necessary.

Hence my use of 3M 4000. It's absolutely watertight, rated for use below the waterline, and specifically intended for use with modern hull materials (including fiberglass) and thruhull materials. 3M is the leader in this segment of the chemical industry, and once again WakeMakers only stocks and ships the best.

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Reviewed by Travis P.
I recommend this product
Rated 5 out of 5
Review posted

Great sealant

Used this sealant for all the 7 new holes I drilled in the boat. Fitting are secure and no leaks

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Reviewed by Donald C.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great sealant

I was super scared to drill 3 holes in the bottom of my boat. I drilled and prepped holes. Applied sealant. After finishing rest of ballast system over a couple of days, we put boat into water. Was nervous. No leaks weate so ever. This stuff is awesome. It is super sealant.

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Reviewed by Jarred
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

05 Sunscape

It was scary drilling 3 holes in my boat, I was never going to risk using some lower quality cheap glue. All went well and no leaks. I do advise watching on line videos for some hints and tips. Use what the experts sell and recomend, can't go wrong.

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Reviewed by Wade
I recommend this product
Rated 5 out of 5
Review posted

Great Stuff If You Need UV Protection

If it's going to be exposed to UV rays, then this is the stuff for you (or in black). However, if not exposed to UV, and looking for permanent adhesion, then go with the 3M 5200. The tensile strength of the 5200 is even greater than that of the 4000UV. Keep in mind, if not using the fast cure version, full strength isn't reached for approx 7 days. I've used 5200 on thru-hulls and countless other items and 400UV on RV roof tops. This is the stuff you want. Again, if a permanent bond is desired (and not exposed to UV), then 5200 is the call. If you do not want a permanent bond and/or it's exposed to UV, the then 4000UV fits the bill.

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WARNING

This product can expose you to chemicals including DINP (Diisononyl phthalate) and DIDP (Diisodecyl phthalate) which are known to the State of California to cause cancer. For more information go to https://www.p65warnings.ca.gov.

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365 Day Returns Your satisfaction is our biggest priority, which is why we gladly accept returns on any new product for up to 365 days from the date your order ships. Refunds will be issued to the original payment method for up to 30 days from the original ship date. Returns on orders older than 30 days up to 365 days will be processed as store credit that can be applied to a future order.

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Expert Advice

Our product experts bring over 40+ years of real-world experience and knowledge of the boating industry. They really know the gear, because they spend their free time out on the water with friends and family testing the products out.

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Looking for specific installation guides or instructional videos? Check out our Resource Section for detailed information.

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