How long will the product remain good after opening the bottle?

this is the second time I've bought a bottle of this product. The first one I bought from a local auto parts. When the first one ran out it was over 20 years old and still good. It will last a long time as long as you seal the lid well and don't leave it open for long periods. I use it then put the lid right back on

Is this compatible with plastic fittings? I have a diesel storage tank with 3/4" threads that leak a little and I am looking for a sealant.

I primarily use this on Triumph motorcycle cases and it is the best Permatex (or any) product for the job. I've also used it on rubber pipes to metal banjos and it worked well there too. I suspect that it would work well in your situation but I have not used it on plastic and there are so many kinds of plastic that I would test it first. Personally, on threads where gas or oil is involved, I use the yellow Teflon tape -- it seals gasoline so diesel should be no problem.

My red plastic Moeller marine portable 6 gallon fuel tank has some small gas leaks around the screw on caps - think it would be safe to use...?

It would probably be safe to use but when mine was apparently shipped in a non-pressurized airplane hold. The cap was intact but the sealer had leaked out all over. I will buy locally next time. Auto stores may have it or may be able to get it.

would this work for marine freshwater outboard motor such as water pump gasket sealer

I don't see why it won't..I used it on my oil pump ad my water pump...works great...no leaks..oil, antifreeze does not have any affect on it..Good stuff.

Permatex 80019 航空フォームa ガスケットno 3シーラント 4オンス

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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$108.27

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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Description

🛠️ Seal like a pro, perform like a legend!

BRUSH TOP CONVENIENCE - Easy application with no curing means faster repairs and less downtime.
BROAD TEMPERATURE TOLERANCE - Operates flawlessly from freezing -65°F up to scorching 400°F environments.
VERSATILE CHEMICAL RESISTANCE - Withstands gasoline, oil, and grease to keep your engine running smooth.
PRECISION FIT FOR MACHINED SURFACES - Seals perfectly on complex metal parts for leak-proof reliability.
ENDORSED FOR AVIATION AUTOMOTIVE USE - Trusted by pros for high-performance sealing in critical applications.

Permatex 80019 Aviation Form-A-Gasket No. 3 is a 4-ounce brush-top sealant designed for precision sealing on machined metal surfaces. It features a slow-dry, non-curing formula that resists gasoline, oil, and grease, making it ideal for both aviation and automotive applications. With a wide operating temperature range from -65°F to 400°F, it ensures durable, leak-proof performance on gaskets, hoses, and threaded fittings.

Specifications

ASIN	B000HBM3QQ
Amazon 売れ筋ランキング	車＆バイク - 346,174位 ( 車＆バイクの売れ筋ランキングを見る ) 洗車・お手入れ用品 - 12,654位
Compatible Material	金属
GTIN (Global Trade Identification Number)	00686226800190
UPC	686226800190
おすすめ度	5つ星のうち4.7 2,131 レビュー
カラー	ホワイト
スタイル	4オンス。
スタイル名	4オンス。
ブランド	Permatex
ブランド名	Permatex
メーカー名	Permatex
メーカー型番	80019
モデル番号	80019
ユニット数	1.0 個
含まれるコンポーネント	Permatex 80019 Aviation Form-A-GasketNo. シーラント3個、4オンス。
商品の入り数	1
商品の重量	4 オンス
商品タイプ	リキッド
商品寸法 (長さx幅x高さ)	6.2 x 6.2 x 7 cm
商品本体サイズ	6.2 x 6.2 x 7 cm
商品種別	Permatex 80019 Aviation Form-A-GasketNo. シーラント3個、4オンス。
推奨する地面のタイプ	ぴったりフィットする機械加工面、ホース、ソリッドガスケット、ねじ接続、燃料継手
材質	プラスチック
素材	プラスチック
耐水レベル	耐水
防水レベル	耐水

Reviews

S**H

Messy but oh so good!

I am not a vine reviewer so I speak the truth. This still is a must for any mechanical repairs. It is very messy and loves to go places you don't expect. Loves to drip and find it's way to butter finger prints. It acts like a lubricant on threads, like bolts and fittings, so they go together nice and smooth. This stuff use to be called Gasket Shellac in the old times. This works for gaskets, but also as a thread sealant, like for intake bolts, and head bolts.

Invalid date

S**N

Excellent item

Superfast delivery to Riffic item would highly recommend

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J**N

Does the job.

I used this for install frost plugs on engines. So far it seems fine.

Invalid date

S**E

Works well

Gasket cement

Invalid date

A**B

Perfect

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$108.27

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Permatex 80019 航空フォームA-ガスケットNo.3シーラント、4オンス

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Description

Specifications

Reviews

Common Questions