Connector and Terminal Protectants

Summit Racing™ Dielectric Grease

Summit Racing™ dielectric grease is non-conductive, silicone-based grease that protects many types of electrical connections and wiring (in marine and automotive applications) from salt, dirt, and corrosion. Required for modern high-energy ignition systems, this dielectric grease helps extend the life of bulb sockets and prevents voltage leaks around any electrical connection. It also prevents spark plugs from fusing to boots—just a lil' dab will do!

4.69 out of 5 stars ( 54 )

$9.99

Permatex Dielectric Grease

This Permatex dielectric grease is designed to extend the life of bulb sockets, prevent voltage leakage around electrical connections, and prevent spark plugs from fusing to boots. It can also be used in any marine or automotive electrical connection, as well as on trailer hitches and battery terminals.

4.98 out of 5 stars ( 50 )

$4.99

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$20.99

Pico Dielectric Grease

Pico dielectric grease is designed to coat electrical connections to protect against arcing, corrosion, and moisture. It comes in a handy 1/4 oz. tube with a cap for quick, easy installation. Pico dielectric grease will not dry up or harden, so you will eliminate voltage leaks and even protect against radio noise.

4.6 out of 5 stars ( 35 )

$3.99

MSD Spark Guard Dielectric Grease

MSD's Spark Guard is dielectric grease that solves many common ignition troubles. It stops voltage leaks, eases boot removal, prevents moisture buildup inside the boots, and even helps protect against radio noise (EMI). Spark Guard will not dry or harden up, and will last virtually forever.

4.66 out of 5 stars ( 44 )

$46.21

Chevrolet Performance Dielectric Silicone Grease

Keep your weatherstripping soft and sealed with Chevrolet Performance dielectric silicone grease. This lubricant is silica-thickened dimethyl silicone fluid that is easy to apply. Preserve the life and function of your spark plug boots and weatherstripping with a tube of Chevrolet Performance dielectric silicone grease. Features: * Broad temperature range -65 degrees F to 400 degrees F * Chemically inactive * Radiation resistant * Oxidation resistant * Water-repellent * Non-corrosive * Long shelf life

5.0 out of 5 stars ( 5 )

$8.99

NOCO NCP2 Battery Corrosion Preventative

NOCO NCP2 battery corrosion preventative has been protecting battery terminals since 1914. This proven ultra-premium, oil-based formula stops battery corrosion, making all surfaces impenetrable to corrosion-causing acid fumes, which reduce battery life and cranking ability. NCP2 will not dry or evaporate, and is guaranteed for the life of your battery. Not only is it proven to extend the life of your car battery, NOCO NCP2 battery corrosion preventative is environmentally safe and resistant to reversion, moisture, shock, and vibration. Available in an aerosol spray or brush-on compound, NCP2 makes it easy to keep your battery terminals free from corrosion.

5.0 out of 5 stars ( 2 )

$15.99

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$19.99

Loctite Dielectric Tune-Up Grease

Loctite dielectric tune-up grease provides a moisture-proof barrier that lubricates and protects electrical equipment from salt, dirt, and corrosion. High dielectric strength, good thermal, oxidation, and chemical stability are qualities that make it a top seller. Typical applications include marine and automotive electrical connections (particularly modern, high-energy ignition systems), spark plug boots, trailer hitches, battery terminals, and more. Protect your electrical systems for optimum performance with Loctite dielectric tune-up grease.

Not Yet Reviewed

$6.99

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$15.99

Liqui Moly Battery Clamp Grease

Liqui Moly battery clamp grease prevents contact resistance from increasing during operation and ensures lower loss than with untreated contacts. Especially for battery terminals and connections, along with plug connectors in vehicle electronics, it protects them from corrosion and oxidation. Liqui Moly battery clamp grease is compatible with most plastics, ensures safe starting, bright light, and longer battery life.

Not Yet Reviewed

$5.99

Clearance

Permatex Bulb Grease

Permatex bulb grease is designed to increase performance and extend the service life of bulbs and lamps—by preventing voltage leakage and protecting electrical connections from moisture, dirt and, corrosion. Bulb grease not only protects rubber, it also has great lubricating properties that ease the disassembly process.

Not Yet Reviewed

$1.99

$1.50