Is this resitant to fuel? I need it to repair a gromet on fil tube gas tank

In my case it did not work with alcohol based fuel.

Can I use this to stick a metal gasket to an intake manifold?

Metal gaskets are a one use crush type seal. I would not recommend using permatex #1 Hard setting. You will have an impossible job Removing the intake without damaging it if In the future you need to remove it. And Most likely it will have a vacuum leak!

any reason it won't work on flange of swimming pool pump?

It may; but containing solvents not designed for swimming in, I personally would choose Marine silicone products!

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Permatex 80003 Form-A-Gasket #1 Sealant, 11 oz.

Permatex 80003 Form-A-Gasket #1 Sealant, 11 oz.

Product ID: 9508986

Details

Brand
Permatex
Item Weight
318 Grams
Item dimensions L x W x H
2.06 x 2.25 x
Material
Silicone
Style
Form-A-Gasket

⚡Fast-drying in minutes

🔥Withstands up to 400°F

🛠️Seals rigid materials & flanges

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€ 34.01

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Description

🛠️ Seal like a pro, last like a legend!

RAPID CURE POWER - Get your projects sealed and ready in record time with fast-drying technology ⚡
FLUIDS FUEL SHIELD - Resists common automotive fluids and fuels, ensuring long-lasting durability 🛢️
EXTREME HEAT RESISTANCE - Handles temperatures from -65°F to 400°F, perfect for high-performance engines 🔥
UNIVERSAL COMPATIBILITY - Works seamlessly on both import and domestic vehicles, any model year or performance level 🌍
PERMANENT RELIABLE SEAL - Ideal for freeze plugs, threaded connections, and manifold gaskets—no leaks, no worries 🔩

Permatex 80003 Form-A-Gasket #1 is a fast-drying, hard-setting silicone sealant engineered for permanent sealing of rigid materials and flanges. It resists common automotive fluids and fuels, operates reliably between -65°F and 400°F, and is perfect for freeze plugs, threaded connections, and manifold gaskets on any vehicle. Trusted by professionals for durable, leak-proof repairs.

Specifications

ASIN	B000HBNXD8
Best Sellers Rank	#22,846 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #65 in Silicone Adhesives
Brand Name	Permatex
Color	Factory
Compatible Material	[Common Shop Fluids and Fuels]
Customer Reviews	4.6 4.6 out of 5 stars (1,387)
Global Trade Identification Number	00686226800039
Item Dimensions	2.06 x 2.25 x 8 inches
Item Form	Paste
Item Weight	318 Grams
Manufacturer	Permatex
Material Type	Silicone
Model	80003
Number of Items	1
Part Number	80003
Style Name	Form-A-Gasket #1
Surface Recommendation	hard surfaces
UPC	686226800039
Warranty Description	Manufacturer
Water Resistance Level	Water Resistant

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€ 34.01

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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