AGS Silicone Dielectric Grease for Electrical Connectors, 4 oz Brush Top | For Spark Plug Boots, Battery Terminals, Bulb Sockets, Trailer and Marine Connectors; Safe on Rubber, Plastic; -40 F to 400 F

SEALS OUT MOISTURE AND CORROSION. Silicone dielectric grease seals moisture, salt and corrosion out of electrical connections and helps prevent voltage leakage, flashover and misfires. Forms a translucent, non-melting film.

BUILT-IN BRUSH APPLICATOR. The brush in the cap puts a thin film right where you need it, inside spark plug boots, on battery posts and across connector pins, with no tube to squeeze and no grease on your fingers.

HOW TO USE. Make sure terminals, boots and connectors are clean and dry, brush on a thin film or coat the inside of the boot, then reconnect. For spark plug and coil boots, battery posts, bulb sockets and weather-pack terminals.

SAFE ON RUBBER AND PLASTIC. The silicone base won't swell EPDM, PVC or most elastomers and is compatible with rubber, plastic, metal, ceramic and glass. Rated -40 F to 400 F and resists washout from rain and road splash.

WON'T BLOCK THE CONNECTION. The non-conductive film seals around the contacts while metal surfaces still mate, so current passes normally. For trailer plugs, marine wiring and outdoor lighting. Made in the USA by AGS since 1931.