Best Electrical Greases of 2025

David Davis Avatar
David Davis
Last Updated: Jan 15, 2025

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Electrical greases are essential for ensuring that electrical connections remain clean and free of corrosion. These products are typically made from silicone, which has excellent insulating properties and is resistant to high temperatures. They are designed to be applied to electrical contacts, connectors, and other components to prevent moisture from getting in and causing damage. Electrical greases can also help to reduce friction and wear on moving parts, which can extend the life of electrical equipment. Overall, they are a valuable tool for anyone who works with electrical systems, from hobbyists to professionals.

At a Glance: Our Top Picks

AGS Automotive Solutions Dielectric Silicone Grease Compound Cover #TOP 1
AGS Automotive Solutions Dielectric Silicone Grease Compound
ftb score rating icon 9.8
CRC Di-Electric Grease 3.3 oz Cover #TOP 2
CRC Di-Electric Grease 3.3 oz
ftb score rating icon 9.7
Silicone Dielectric Grease Automotive/Marine 10g by YOLOtek Veteran Owned Cover #TOP 3
Silicone Dielectric Grease Automotive/Marine 10g by YOLOtek Veteran Owned
ftb score rating icon 9.5

Top 10 Electrical Greases

#TOP 1

AGS Automotive Solutions Dielectric Silicone Grease Compound

AGS Automotive Solutions Dielectric Silicone Grease Compound Cover
AGS Automotive Solutions Brush Top Can Dielectric Silicone Grease Compound for All Electrical Components and Connectors, 4oz, Percise and Easy Application

The AGS Dielectric Silicone Grease is a must-have for all electronic and standard ignitions. It works effectively on high energy ignition systems, sealing out moisture and corrosion. This grease is ideal for a wide range of applications, including sensor connections, computer connections, solenoids, truck pigtails, plugs, ignition modules and coils, marine connections, lighting systems, batteries, and terminals. By using this dielectric grease, you can ensure a better connection and better performance, especially in harsh environmental conditions. Protect your electrical components and connectors with the AGS Dielectric Silicone Grease.

What We Like
Easy application with built-in brush
Cost-effective alternative to name brands
Effectively prevents corrosion and rust
Durable packaging and lasting product
What We Don't Like
Brush may be weak and bend
#TOP 2

CRC Di-Electric Grease 3.3 oz

CRC
05113
Opaque White Gel
3 Wt Oz
CRC Di-Electric Grease 3.3 oz Cover
CRC INDUSTRIES DI-ELECTRIC GREASE-3.3 OZ. POWER DISPENSER (05113)

The CRC Di-Electric Grease is a versatile lubricant designed for electrical applications. This 3.3 oz dispenser allows you to easily apply the grease where needed, providing a protective barrier against moisture and corrosion. Its all-purpose nature makes it suitable for various auto parts, ensuring that your electrical connections remain secure and functional. With compact dimensions, it’s convenient to store in your toolbox, making it readily available whenever you need it. This product is perfect for anyone looking to enhance the longevity and reliability of their electrical systems.

What We Like
Good price
Precise nozzle for application
Essential for electrical work
Better dispensing than small tubes
Long-lasting application
#TOP 3

Silicone Dielectric Grease Automotive/Marine 10g by YOLOtek Veteran Owned

1 pack
Silicone Dielectric Grease Automotive/Marine 10g by YOLOtek Veteran Owned Cover
YOLOtek Veteran Owned - Silicone Dielectric Grease 10g - Automotive/Marine Grease and Seals for Spark Plugs, Battery Terminals & Electrical Connectors

YOLOtek Silicone Dielectric Grease is a high-quality silicone grease that provides lubrication and protection for electrical connectors. Made of high-quality silicone, this grease is resistant to high temperatures, making it perfect for use in automotive and marine applications. It is long-lasting and helps to keep contacts clean and corrosion-free, ensuring optimal electrical conductivity. The easy application of this grease allows you to trim the tip to the right size for the job and save the rest for later. With its wide range of uses, from spark plugs to battery terminals, YOLOtek Silicone Dielectric Grease is a reliable choice for anyone in need of a professional-grade grease. Plus, being a veteran-owned brand, you can trust in the quality and durability of this product.

What We Like
Prevents corrosion effectively
Easy to apply
Compact tube for portability
Long-lasting performance
Suitable for various applications
What We Don't Like
Small tube size
Pricey for some
#TOP 4

AtomLube Dielectric Grease 2 Oz

NGFG2132002R
2 oz
AtomLube Dielectric Grease 2 Oz Cover
AtomLube Dielectric Grease, 2 Oz. Tube | Waterproof Dielectric Silicone Grease for Electrical Connectors, Switches, and Sensors | Safe High Temp Grease & Multipurpose Electric Grease

AtomLube Dielectric Grease is a silicone-based product that effectively seals and lubricates electrical connections, protecting them from moisture and corrosion. This grease offers excellent electrical protection by resisting water, which helps prevent voltage leakage and discharge. It thrives in extreme temperatures, making it ideal for both high and low environments, withstanding temperatures from -40° to +400°F. Additionally, its superior resistance to oxidation ensures that your electrical components remain insulated over time, providing you with peace of mind in various applications.

What We Like
Effective for electrical connections
Easy application with precise nozzle
Good temperature resistance
Versatile for various uses
Great value for toolbox staple
What We Don't Like
Temperature range could be higher
#TOP 5

CRC Marine Dielectric Grease 6113

CRC
06113
White
3.3 Wt Oz
CRC Marine Dielectric Grease 6113 Cover
CRC Industries, Inc. 6113 3.3 oz Marine Dielectric Grease, 1 Pack

The CRC Marine Grease is a reliable accessory for your automotive needs. With its compact packaging, measuring 2.032 cm in length and 2.54 cm in width, it is easy to handle and store. The height of 20.066 cm ensures it can fit into tight spaces without hassle. This product belongs to the electrical greases category, making it a perfect choice for protecting electrical connections from moisture and corrosion. By using this grease, you can enhance the longevity and performance of your electrical components, ensuring they operate smoothly and efficiently.

What We Like
Excellent protection against moisture
Durable in extreme temperatures
Easy application and cleanup
Reliable for electrical connections
What We Don't Like
Recent price increase
#TOP 6

AGS Dielectric Silicone Grease, 0.5 oz

AGS Dielectric Silicone Grease, 0.5 oz Cover
AGS Company Dielectric Silicone Grease, Tube, .5 oz Tube, Automotive Electrical Lubricant, Grease Tube, Dielectrical Grease, Stop Electrical Faults & Failures, Rust-Free Connections

AGS Silicone Grease is designed to help you avoid electrical issues in your vehicle. It effectively protects your connections from corrosion and moisture, ensuring they remain secure and functional. This grease meets OEM specifications, so you can trust it to maintain accurate readings in your electrical systems. Each 0.5 oz tube is perfect for larger jobs, making it suitable for various applications like sensors and ignition modules. Plus, it provides rust-free connections, giving you peace of mind that your engine and electronics are well-protected.

What We Like
Easy application
Effective waterproof sealing
Quality product
Good for DC electrical plugs
What We Don't Like
Possibly less effective over time
Potential waste with overuse
#TOP 7

CRC Industries Dielectric Grease .5oz Tube

CRC
05109
Translucent White
5 Ounces
CRC Industries Dielectric Grease .5oz Tube Cover
CRC Industries, Inc. 05109 Dielectric Grease .5Oz Tube , White

CRC Industries Dielectric Grease is a versatile electrical grease that seals, protects, and insulates electrical contacts, while repelling moisture, dirt, and oils that can harm electrical connections. With a precision tip applicator, it is easy to use and can be used on various applications including electrical panels, outdoor lighting, spark plugs, battery terminals, and more. CRC Industries is a market leader that offers quality chemical solutions to maintain, protect and repair different types of equipment.

What We Like
Effective corrosion prevention
Long-lasting moisture barrier
Great for electrical connections
Small amount needed per use
What We Don't Like
Pricey for quantity
Availability in retail stores
#TOP 8

4LIFETIMELINES Dielectric Silicone Grease

4LIFETIMELINES Dielectric Silicone Grease Cover
Dielectric Silicone Grease - Waterproof and Non-Conductive Lubricant for Electrical and Automotive Applications - 4oz Brush Top Can, Versitle Silicone Lubricant, Protection for Electrical Components

4LIFETIMELINES Silicone Grease is a versatile and durable lubricant designed to protect electrical components from moisture and corrosion. With its waterproof and non-conductive properties, this grease forms an impenetrable barrier that guards against oxidation, corrosion, and contamination. Its non-melting consistency ensures reliable protection even under extreme conditions. This silicone lubricant is not only ideal for electrical applications but also perfect for automotive and marine uses. It is compatible with metal, rubber, and plastic, making it an excellent choice for maintaining car windows and ensuring smooth operation. The attached brush-top applicator allows for precise and hassle-free application, ensuring comprehensive coverage and enhanced protection. Manufactured in the USA, 4LIFETIMELINES Silicone Grease delivers superior performance and longevity, guaranteeing optimal functionality for your electrical components.

What We Like
Effective corrosion prevention
Convenient brush and can design
High viscosity grease
Protects wiring from moisture
What We Don't Like
Brush bristles may deform
#TOP 9

Loctite 37534 Dielectric Grease for Automotive

495549
80 Milliliter
Loctite 37534 Dielectric Grease for Automotive Cover
Loctite 37534 Dielectric Grease for Automotive: Provides Moisture-Proof Barrier, Prevents Voltage Leakage, for High-Energy Ignition Systems 80 ml Tube (PN: 495549)

Loctite 37534 Dielectric Grease for Automotive is a moisture-proof barrier that lubricates and protects electrical connections and wiring from salt, dirt, and corrosion. It extends the life of bulb sockets, prevents voltage leakage around electrical connections, and is ideal for marine and automotive electrical connections, spark plug boots, trailer hitches, and battery terminals. This electrical grease is corrosion-resistant, dirt-resistant, and salt-resistant.

What We Like
Effective protection for spark plugs
Long-lasting lubricant for stabilizers
High-quality dielectric grease
Prevents corrosion on electrical connections
Great value for the quantity
What We Don't Like
Applicator design can be problematic
Grease difficult to remove from hands
#TOP 10

Onarieer 5 oz Dielectric Grease

JDRHZ001
Onarieer 5 oz Dielectric Grease Cover
Onarieer 5 oz Dielectric Grease for Electrical Connectors, Silicone Grease with A Brush, Silicone Paste for Automotive, Spark Plug, O Rings, Marine, Insulation Protection, Waterproof & Heat Resistant

The Onarieer Dielectric Grease is designed to ensure your electrical connections remain safe and efficient. Its superior insulation prevents short circuits and electrical arcs, giving you peace of mind during use. This grease also holds up well in high temperatures, maintaining its performance and extending the life of your equipment. Additionally, it is waterproof and corrosion-resistant, keeping moisture and contaminants at bay, which is especially beneficial for outdoor applications. Finally, it serves multiple purposes, making it a versatile choice for various electrical components like plugs, switches, and automotive systems.

What We Like
High quality dielectric grease
Good value and price
Easy application with brush
Effective for moisture protection
What We Don't Like
Packaging could be improved
Buying Guide Image

A Guide to Selecting the Best Electrical Greases for Your Car

Introduction

Electrical greases are a crucial component in maintaining the longevity and performance of electrical connections. Choosing the right electrical grease can be a daunting task, as there are many different types on the market and each one has its own unique set of characteristics. In this article, we will explore some of the key factors to consider when selecting an electrical grease.

Factors to Consider

One of the most important factors to consider when choosing an electrical grease is its compatibility with the materials it will be used on. Some electrical greases are designed for use with specific materials, such as copper or aluminum, while others are more versatile and can be used on a wide range of materials. It is important to select a grease that is compatible with the materials it will be used on, as using the wrong type of grease can lead to corrosion and other damage.

Another important factor to consider is the operating temperature range of the electrical grease. Different electrical greases have different temperature ranges, and it is important to select a grease that is suitable for the intended application. For example, if the electrical connections will be exposed to high temperatures, it is important to choose a grease that can withstand those temperatures without breaking down or losing its protective properties.

The consistency of the electrical grease is also an important factor to consider. Some electrical greases are thick and paste-like, while others are more liquid and viscous. The consistency of the grease can affect its ability to stay in place and provide long-lasting protection. It is important to choose a grease that has the right consistency for the intended application.

Conclusion

In conclusion, choosing the right electrical grease is essential for ensuring the longevity and performance of electrical connections. When selecting an electrical grease, it is important to consider factors such as compatibility with the materials it will be used on, the operating temperature range, and the consistency of the grease. By carefully considering these factors, you can ensure that you choose the best electrical grease for your needs.

Frequently Asked Questions (FAQs)

1. What kind of grease do you use for electrical?

Dielectric grease is commonly used for electrical connections. It serves as a sealant to protect the metal parts of the connection from contamination and corrosion when exposed to the elements.

2. Is Vaseline the same as electrical grease?

No, Vaseline is not the same as electrical grease. Vaseline is a petroleum jelly that can burn when exposed to heat or an electric current. On the other hand, dielectric grease is a non-conductive substance that is used to insulate and protect electrical connections.

3. Is there a grease that is conductive?

Yes, there is conductive grease available. The 846 Carbon Conductive Grease is an example of an electrically conductive silicone grease that is used to improve electrical connections between sliding surfaces and parts.

4. When should you not use dielectric grease?

Dielectric grease is not suitable for use in high-temperature components that will exceed 500 degrees Fahrenheit. Due to its low viscosity, it is recommended to avoid using it in such applications.

5. Can I use silicone grease instead of dielectric grease?

Silicone grease and dielectric grease have different purposes. Dielectric grease is specifically designed to insulate and protect electrical connections from moisture and corrosion. On the other hand, silicone grease is primarily used to lubricate moving parts and prevent metal-to-metal contact.

6. What grease can I use on battery terminals?

Silicone grease is a suitable option for preventing corrosion on battery terminals. It has a wide temperature range and does not liquify at higher temperatures, making it more effective than other products like automotive grease or Vaseline.

Editor's Notes

During our electrical grease research, we found 24 electrical grease products and shortlisted 10 quality products. We collected and analyzed 23,288 customer reviews through our big data system to write the electrical greases list. We found that most customers choose electrical greases with an average price of $13.95.

The electrical greases are available for purchase. We have researched hundreds of brands and picked the top brands of electrical greases, including AGS Automotive Solutions, CRC, YOLOtek, AtomLube, 4LIFETIMELINES. The seller of top 1 product has received honest feedback from 552 consumers with an average rating of 4.8.

Written by
David Davis Avatar

David Davis has rich experience as a mechanic and a general repairman in the automotive industry. It has given him plenty of knowledge in automobile repair, auto parts, and all kinds of tools. In his spare time, he enjoys assembling and disassembling parts for cars.

Electrical Greases Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand AGS Automotive Solutions CRC YOLOtek AtomLube CRC AGS Automotive Solutions CRC 4LIFETIMELINES Loctite Onarieer
Material Silicone Plastic Silicone Plastic,Rubber Plastic,Rubber Silicone Plastic Metal,Plastic - Silicone
Package Information Jar Tube Tube Tube Can Tube Tube Can - Tube
Liquid Volume 4 Fluid Ounces 3.3 Fluid Ounces 0.12 Liters 2 Fluid Ounces 3.3 Fluid Ounces 0.5 Fluid Ounces 0.5 Fluid Ounces 4 Fluid Ounces - 5 Fluid Ounces
Item Weight 4 Ounces 3.3 Ounces 10 Grams 2 Ounces 6.4 ounces 27.22 g 14.2 Grams 4 Ounces - 0.37 Pounds
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.8
ftb score rating icon 8.7
Where to Buy