Would this do good to seal a usb port with a usb cord plugged in?

Not sure why you need to seal a USB PORT but I see no reason it wouldnt keep it waterproofed.

Is this stuff good for polyureathane bushings

Yes it is good for polyurethane bushings.....the lube they sell for the bushings is essentially rebranded dielectric grease too.

Has anyone tried this on fishing reel components? Is it light enough?

Definitely! I've been using it from 15 yrs or more... The main purpose, to seal the reel and protect screws from salt; for those that are not stainless I fill the hole with the grease to the top well, every where there is a screw head facing out. And all around the edge and bound surface of the gear cover, anywhere water can sip in! And in the gears, but I would mix it with other type to soften a bit for smooth reeling experience.

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Mission Automotive Silicone Dielectric Grease Paste - 8 Oz Dielectric Grease for Electrical Connectors and Spark Plug Protection - Waterproof Clear Silicone Paste Automotive Greases and Lubricants

Mission Automotive Silicone Dielectric Grease Paste - 8 Oz Dielectric Grease for Electrical Connectors and Spark Plug Protection - Waterproof Clear Silicone Paste Automotive Greases and Lubricants

Product ID: 19409154

Details

Brand
Mission
Item Weight
8 Ounces
Liquid Volume
237
Material
Silicone
Package Information
Jar

💧Waterproof seal - ultimate corrosion guard

🔥570°F flash point - heat resistant

🖌️Built-in applicator brush - precision spread

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Description

🛠️ Seal the deal with Mission: Ultimate protection for your ride’s electric soul!

TRUSTED BY PROS - Top-rated with 4.8 stars from over 5,000 users—join the elite maintenance crew.
WATERPROOF ARMOR - Seals out moisture and prevents oxidation for long-lasting electrical integrity.
PRECISION APPLICATION - Integrated brush ensures flawless, mess-free coverage every time.
VERSATILE POWER PLAYER - Perfect for spark plugs, brake caliper pins, and rubber gasket preservation.
UNMATCHED HEAT RESISTANCE - Withstands extreme temps up to 570°F for relentless performance.

Mission Automotive Silicone Dielectric Grease Paste is a premium 8 oz waterproof silicone lubricant designed to protect electrical connectors and spark plugs from corrosion and voltage leaks. Featuring a high flash point of 570°F and a built-in applicator brush, it delivers precise, durable sealing across automotive and marine environments, ensuring reliable performance and extended equipment life.

Specifications

ASIN	B016E5E59G
Best Sellers Rank	#23,029 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Electrical Greases
Brand	Mission Automotive
Brand Name	Mission Automotive
Container Type	Jar
Customer Reviews	4.8 out of 5 stars 5,047 Reviews
Flash Point	570 Degrees Fahrenheit
Included Components	1
Item Form	Paste
Item Weight	8 Ounces
Liquid Volume	237 Milliliters
Manufacturer	Mission Automotive
Material	Silicone
Model Number	8542064566
Number of Items	1
Package Information	Jar
Part Number	08946
Recommended Uses For Product	Car,Electrical,Windows
Specific Uses For Product	Automotive, Mechanical
UPC	638037142402
Unit Count	8.0 Ounce
Upper Temperature Rating	570 Degrees Fahrenheit

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Received my product in pristine condition. Great service overall.

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34487CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Very reliable shop with genuine products. Will definitely buy again!

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Excellent communication throughout the order process. Product is perfect.

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