Dielectric Grease - 4oz Brush Top

Defend every electrical connection against moisture, corrosion, and heat with AGS Dielectric Grease. This non-melting silicone compound brushes on easily, forming a water-tight, vibration-proof film that extends battery life and stops shorts before they start.

Why Choose AGS Dielectric Grease?

Moisture-proof & corrosion-resistant – seals out water, salt, dirt, and acidic fumes for long-term reliability.

High-temperature stability – silicone base remains effective from deep freeze to engine-bay heat (rated stable to 400 °C in manufacturer testing). 

Brush-top convenience – built-in applicator delivers precise, mess-free coverage on terminals, boots, and connectors.

Rubber & plastic safe – won’t swell EPDM, PVC, or most elastomers; compatible with metal, ceramic, and glass contacts.

Dielectric barrier – insulates metal surfaces to reduce arcing and ensure consistent voltage under load.

Ideal Applications