Marine Waterproof Dielectric Grease – Auto, Truck, RV & Boat

$19.15 USD $23.25 USD

Marine-Grade Waterproof Dielectric Grease with Applicator Brush

Keep your electrical connections, mechanical parts, and hardware protected against moisture, corrosion, and wear with this high-performance dielectric grease. Engineered for both marine and automotive environments, it forms a reliable waterproof barrier that maintains consistent performance whether you're on the water or on the road. Made in Mainland China.

Why You'll Love It

Reliable Electrical Shielding: Prevents short circuits and minimizes electrical current leakage — ideal for marine electrical systems and automotive wiring harnesses exposed to tough environmental conditions.
Superior Waterproof Protection: Creates a dense moisture barrier that safeguards marine instruments and outdoor vehicle electronics against humidity and water intrusion, ensuring long-term stability in wet or humid climates.
Broad Component Compatibility: Works seamlessly on high-voltage cable fittings, changeover terminals, and common connector materials without causing harm — enhancing durability of electrical connectors under demanding conditions.
Salt-Spray Zone Defense: Forms a robust protective layer that blocks oxidation and corrosive agents, extending the service life of bearings, contact points, and hardware in marine or coastal environments.
Friction Reduction: Reduces mechanical wear and keeps movement smooth in critical areas like car door hinges, trailer components, and marine deck hardware — minimizing repetitive motion damage over time.
Heat-Resistant Formula: Maintains stability under high temperatures, delivering dependable performance for automotive, marine, and household applications alike.
Precision Application: Includes an applicator brush for accurate, mess-free use on door hinges, ship deck equipment, electrical connectors, and more.

Perfect For

Trailers, RVs, Trucks, Sedans & Pickups
Marine vessels, boat decks & watercraft hardware
Door hinges, wheel bearings & mechanical joints
Electrical connectors, wiring harnesses & terminals
Outdoor & household hardware exposed to moisture

What's in the Box

1 × Dielectric Grease
1 × Applicator Brush

Notes

Colors may vary slightly due to lighting, display settings, and photography conditions. Please refer to the actual product received.
Due to manual measurement, minor size variations may occur.

Related Products You May Like

Learn more: FuelEconomy.gov driving efficiency guidance

Frequently Asked Questions

Q: What is dielectric grease used for in automotive and marine applications?

A: Dielectric grease is a waterproof, non-conductive lubricant applied to electrical connectors, terminals, wiring harnesses, door hinges, bearings, and other mechanical or electrical components. It creates a protective barrier against moisture, corrosion, oxidation, and friction — making it essential for vehicles, boats, RVs, trailers, and trucks exposed to wet or demanding environments.

Q: Is this dielectric grease safe for use on rubber and plastic connectors?

A: Yes. This dielectric grease is formulated to be compatible with common connector materials including rubber seals and plastic housings, ensuring it protects without causing damage to sensitive components in automotive wiring harnesses or marine electrical systems.

Q: Can I use this grease on door hinges and mechanical parts, not just electrical connections?

A: Absolutely. In addition to protecting electrical connectors and terminals, this grease is ideal for lubricating door hinges, wheel bearings, deck hardware, and other mechanical joints, reducing friction and wear for smoother, longer-lasting performance.

Q: How do I apply the dielectric grease?

A: The package includes a dedicated applicator brush for precise, mess-free application. Simply apply a thin, even layer to the target surface — whether a connector, hinge, or bearing — to achieve optimal waterproofing and protection.