Multipurpose Silicone Grease & Lubricant - 8 oz

Keep every seal and connector in your vehicle or workshop performing like new with the 4LifetimeLines® Multipurpose Silicone Grease Lubricant. This translucent, non-conductive formula forms a water-tight barrier that shields rubber boots, O-rings, plastic fittings, and metal threads from moisture, corrosion, and wear without causing swelling or degradation of sensitive materials.

Why You Need Silicone Grease

Rubber and plastic components dry out, crack, or seize when exposed to heat, solvents, and road grime. Our silicone grease penetrates microscopic surface pores to restore flexibility, prevent leaks, and stop squeaks before they start. Because it’s chemically inert and compatible with most plastics and elastomers, you can safely use it on spark-plug boots, weather-pack connectors, battery post washers, door seals, and more without worrying about damage.

Key Features

The thick yet brushable consistency stays exactly where you apply it, resisting sling-off under vibration or centrifugal force. It operates effectively from –40 °F to 400 °F, so you can grease rubber bellows in sub-zero conditions or lubricate metal slides near engine heat. Its non-melting, non-drying formula requires only an annual re-application for lasting protection. And because it’s non-conductive, it won’t interfere with electrical connections, making it perfect for dielectric applications alongside our Dielectric Grease & Battery Terminal Washer Kit.

How to Use

Simply brush a thin film onto any clean, dry surface. For seals and O-rings, apply directly along the entire contact area before assembly. On threaded fittings, smear a small amount on male threads to ease installation and prevent galling. Wipe away any excess to avoid attracting dirt—one pea-size dab goes a long way.

Applications & Benefits

Mechanics, DIYers, and fleet operators rely on this silicone grease to extend the life of door gaskets, window tracks, hood latches, and electrical connectors. It prevents freeze-up of lock cylinders in winter, eases removal of oxygen sensor boots, and keeps sliding surfaces operating smoothly—all while blocking water, salt, and corrosive vapors.

Ready to lock out moisture and protect every seal in your shop or garage? Add the Multipurpose Silicone Grease Lubricant to your cart today and enjoy maintenance made easy.

SDS Sheet