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Permatex 81150 Dielectric Tune-Up Grease, .33 oz Tube

4.7 out of 5 stars 112 customer reviews

Price: $3.49 & FREE Shipping on orders over $49. Details
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.33 Ounce
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  • Protects electrical connections and wiring from salt, dirt and corrosion
  • Prevents voltage leaks around any electrical connection
  • Extends the life of bulb sockets
  • Required for modern high energy ignition systems
  • Suggested Applications: Marine and automotive electrical connections, spark plug boots, trailer hitches, battery terminals
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Frequently Bought Together

  • Permatex 81150 Dielectric Tune-Up Grease, .33 oz Tube
  • +
  • Permatex 81343 Anti-Seize Lubricant, 1 oz. Tube
  • +
  • GearWrench 80546 5/8-Inch x 6-Inch Swivel Spark Plug Socket
Total price: $23.59
Buy the selected items together

Product Information

Size:.33 Ounce

Technical Details

Brand Permatex
Item Weight 0.3 ounces
Product Dimensions 0.6 x 6.5 x 3.8 inches
Item model number 81150
Manufacturer Part Number 81150
OEM Part Number PMT81150
Folding No
Vehicle Service Type all-terrain-vehicles, utility-vehicles, street-sport-motorcycles, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles, street-motor-scooters, snowmobiles, marine-personal-craft

Technical Specification

Additional Information

ASIN B000AL2RI2
Customer Reviews
4.7 out of 5 stars 112 customer reviews

4.7 out of 5 stars
Best Sellers Rank #2,455 in Automotive (See top 100)
#33 in Automotive > Oils & Fluids > Body Repair & Restoration Chemicals > Paints & Primers > Touchup Paint
#41 in Automotive > Paint & Paint Supplies
Shipping Weight 0.3 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 1, 2006

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:Full Manufacturer's Warranty - Sold by Authorized Reseller

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Product Description

Size: .33 Ounce

Permatex Dielectric Tune-Up Grease protects electrical connections and wiring from salt, dirt and corrosion. Required for modern high energy ignition systems, dialectric grease extends the life of bulb sockets and prevents voltage leaks around any electrical connection. Also prevents spark plugs from fusing to boots. Suggested applications: marine and automotive electrical connections, spark plug boots, trailer hitches, and battery terminals.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Stoney TOP 500 REVIEWER on February 2, 2011
Size: .33 Ounce
Although sold for automobile bulb sockets (for which it works great), this product is actually silicon grease. "Dielectric" means that the silicon grease is an electronic insulator. See also Fantasea Silicon Grease Lubricant, "for all types of O-Rings"

Although ordinary automotive grease is very damaging to rubber products, silicon grease is great for ANY rubber products, and for use on ANY electronic connection (other than high-voltage switches). Not only does silicon grease prevent corrosion at electrical contacts, it also improves existing contacts.

THE DREADED BLUE SCREEN OF DEATH
After about 5 years of flawless operation, recently I got a "blue screen of death" on my computer, mentioning a parity-check error. Attempts to restart the computer just brought up the same "blue screen of death"---I could not even get to the minimal Windows configuration for trouble-shooting. I removed the memory boards, cleaned the contacts with isopropyl alcohol, applied a thin layer of silicon grease to the contacts on the memory boards, and reinstalled the memory. Since then (a year ago), the computer works perfectly.

More recently my other (ca 10-year-old) computer has been getting progressively flakier for about 5 years---if I opened and closed several demanding applications and/or surfed the web extensively---a lockup or crash was likely---so I routinely rebooted several times a day to avoid the lockups/crashes. Occasionally, even freshly booted up, I could not access certain files or folders (the only solution was to clear the recycle bin, delete the file or folder, and then restore it from the recycle bin). Running registry repair programs and other diagnostics did not help.
Read more ›
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Size: .33 Ounce Verified Purchase
I purchased this Dielectric tuneup grease a week or so ago to use during the tuneup of my car. This was to be the first tuneup I had ever done, so I wanted to make sure I was doing it correctly. For those who don't know what this is or how to use it properly, dielectric grease is used during the installation of new spark plug boots. It is NOT (as I first thought) a product to ensure proper conductivity between the spark plugs themselves and the wires. It is used around the very edges of the spark plug boot to prevent arcing, and therefore should be used sparingly. Dielectric grease is an insulator, and will not help (and may hinder) the electric connection between plugs are wires.

This is a small tube, but is more than enough to last through several tune ups. It's sitting in my trunk along with the rest of my car-related tools, and will stay there until needed next. Overall? Highly recommended.
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Size: .33 Ounce Verified Purchase
Not a lot to say about this except it works. I held off providing review comments for a couple months to verify that no corrosion has begun to work into the vehicle's battery terminal, which would indicate a failure in coverage or the grease itself. So far, the terminals look exactly like they did when new, so I consider it a winner.

The container is small, but then again you don't need a ton of grease, either. I would estimate this tube as sufficient to protect at least a few dozen car batteries, all mating surfaces, so for most DIYers it's as good as lasting 'forever'.

Followup after two years: still in service, still clean (no corrosion on the terminals). I am very pleased with this grease and would glady re-purchase if I were to run out (but that's unlikely given how little is needed).
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Size: .33 Ounce
(Updated for current prices) I have used Permatex products for years. I have no complaints about the quality of this grease, however, at the current price of $3.49 for a .33 oz. tube, you're paying $10.58/oz. Even bought in the 6-pack, it's $8.24/oz. One 5.3 oz. tube of NovaGard G662 is $2.30/oz. To put it another way, you would have to buy 16 tubes of Permatex to almost equal one $12.18 tube of NovaGard, and that would cost you $55.84!!! (Or I guess you could buy 3 6-packs and "only" pay $48.96!) Selling this miniscule amount in the packaging that it comes in is the same as all of the complaints you read on amazon about the sometimes ridiculous amount of packing and box sizes that small products are sometimes received in. So, 5 stars for the product, 1 star for the tiny amount you receive for the price paid. By the way, for the unaware, dielectric grease is silicone lubricant. It's perfect for plastics because it doesn't break down the plastic material. It's also excellent for applying to the base of light bulbs so that they're much easier to remove when they burn out. You'll find uses for this stuff, so why not buy it in bulk and save a huge amount of money? Plus, the bigger tube is much easier to work with.
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Size: .33 Ounce Verified Purchase
Yes, its a super small tube, I have a giant one I use most of the time. However I had a need to change the spark plugs on an engine in a confined space in a boat and rather than make a mess or have to deal with large tubes it was much easier to have this small tube that easily fit in my pocket.

This drastically decreased the likelihood of setting it down somewhere I would kneel/stand/sit/lay on it, or putting it somewhere it would leave a mess I would have to clean up, or laying it somewhere I would end up knocking it into the bilge so I will have to contort myself to retrieve it.

One plus over the regular large tube I use is that it is easy to direct exactly where I want it n the spark plug boot rather than just squeezing it in the end and hoping it goes where I want it to.

Otherwise its the same Permatex Dielectric grease that I have used for years on contracts, in bulb sockets and on spark plug boots which works perfectly. If you only rarely have a need for doing this type of mechanical work I could see this being the only tube you have, and it would be easier to story in a small toolbox, otherwise it might make more sense to just buy a larger one.

The 3 ounce tube Permatex 22058 Dielectric Tune-Up Grease, 3 oz. Tube is nearly 10 times the amount for about twice the cost of this one.
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