Long-Lasting 4oz Dielectric Grease for Electrical Connectors - USA Made Quality

Description

TRUSTED AMERICAN QUALITY SINCE 1931 – MORE GREASE FOR LESS: AGS has been manufacturing professional-grade automotive chemicals right here in the USA for over 90 years. At 4oz per can, you get 2–4x more dielectric grease than competing products at the same price — premium protection that doesn't cut corners.

PROFESSIONAL-GRADE DIELECTRIC GREASE FOR ALL ELECTRICAL CONNECTORS: This silicone-based dielectric grease seals out moisture, prevents corrosion, and stops voltage leakage on spark plug boots, battery terminals, wiring harnesses, ignition coils, fuse boxes, and all automotive electrical connectors — keeping every connection performing like new.

PRECISE, MESS-FREE BRUSH-TOP APPLICATOR: Unlike squeeze tubes that waste product and create a mess, the AGS brush-top can delivers controlled, targeted application exactly where you need it. Perfect for DIYers and professional mechanics who value clean, efficient workmanship.

EXTREME TEMPERATURE PERFORMANCE & LONG-LASTING PROTECTION: Formulated to perform from -40°F to +400°F, this dielectric silicone compound maintains its protective seal in the harshest automotive environments. It resists washout from rain and road splash while extending the life of spark plugs, connectors, and rubber boots.

SAFE FOR ALL ELECTRICAL COMPONENTS & WIDELY COMPATIBLE: Non-conductive and non-reactive — safe to use on rubber, plastic, and metal components without causing corrosion or degradation. Ideal for battery terminal grease, trailer connectors, marine applications, outdoor lighting, and any electrical connection requiring a reliable moisture barrier.

American Quality You Can Trust — Made in the USA Since 1931

AGS Dielectric Grease 4oz brush-top can on black background with EST. 1931 & Made in USA callout

AGS has been formulating and manufacturing professional-grade automotive chemicals in the United States for over 90 years. Every can of AGS Dielectric Grease reflects decades of real-world expertise — quality you can rely on, built right here at home.

4x More Product. Same Price. Unbeatable Value.

AGS DE-44 can on workbench with bold 4x more product value callout on cream background

At 4oz, AGS Dielectric Grease gives you up to four times more product than competing 1oz tubes at the same price. Protect every connector, terminal, and spark plug boot in your vehicle without running out mid-job. More coverage. Less restocking.

Precise, Mess-Free Application With the Built-In Brush-Top Lid

AGS brush-top lid applicator loaded with dielectric grease on dark charcoal background

Forget squeeze tubes that waste product and create a mess. The AGS brush-top lid gives you complete control — apply exactly the right amount, exactly where you need it. Clean, efficient, and professional-grade every time.

Engineered for Extremes: -40°F to +400°F Proven Performance

AGS Dielectric Grease on workbench with -40°F to +400°F temperature range callout

From arctic cold starts to scorching engine compartments, AGS Dielectric Grease maintains its protective seal across every extreme. Moisture, road salt, and intense heat won't break down this formula — it holds up where others fail.

One Product Protects Every Electrical Connection in Your Vehicle

AGS Dielectric Grease open on car battery with six application use cases listed

AGS Dielectric Grease protects spark plug boots, battery terminals, wiring harnesses, ignition coils, fuse boxes, trailer connectors, and O-rings. Non-conductive and safe for rubber, plastic, and metal — one can covers your entire vehicle.

The Professional's Choice — Trusted by Mechanics and Serious DIYers

Mechanic in black gloves holding AGS Dielectric Grease in engine bay with stat badges

From the shop floor to your garage, AGS Dielectric Grease is the compound professional technicians reach for first. The silicone formula seals out corrosion, prevents voltage leakage, and extends the life of every electrical connection it touches.

The Science Behind Every Protected Connection

AGS Dielectric Grease with four protection proof points on dark engine bay background

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Long-Lasting 4oz Dielectric Grease for Electrical Connectors - USA Made Quality

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