Better Boat Marine Grease Tube — 2-Pack 14 oz Cartridges, Waterproof High-Temp NLGI 2 for Trailer Bearings

Better Boat Marine Grease Tube 2-Pack is a waterproof, high-temperature NLGI 2 lithium-based grease in 14 oz cartridges designed for trailer bearings, hitch balls and general marine use.

Keep moving parts protected whether you're launching a boat, towing a trailer or storing equipment for the season. These 14-ounce cartridges from Better Boat deliver a heavy-duty, ASTM-grade lubricant formulated to resist water washout, withstand wide temperature swings and fit standard grease guns. The blue lithium formula is rated GC-LB and meets ASTM D4950 performance expectations, making it a reliable choice for maintenance tasks where moisture, heat and mechanical stress are concerns.

How does this grease protect trailer wheel bearings and hubs?

This grease clings to bearing surfaces to reduce friction and slow wear even under load. Its water-resistant chemistry helps prevent corrosion when exposed to road spray, puddles or saltwater splashes.

• Waterproof formula minimizes washout in wet conditions.
• High film strength maintains a protective barrier under pressure.
• Reduces metal-to-metal contact to extend bearing life.

Will the cartridge work with my grease gun and routine maintenance schedule?

The 14 oz cartridges are sized for most standard grease guns and designed for easy replacement during routine servicing. They streamline upkeep, so you can lubricate hitch balls, U-joints, wheel bearings and trailer components quickly between trips.

• Standard cartridge dimensions fit common grease guns.
• 14 oz capacity reduces frequency of changes compared to smaller tubes.
• Clean-loading cartridges limit mess and waste during servicing.

Can this grease handle extreme temperatures and marine environments?

Formulated for a broad operating range, the grease resists softening in heat and remains functional at low temperatures. The lithium-based thickener and additives help preserve consistency and protect metal surfaces from rust and salt corrosion.

• Stays stable across cold to high-temperature conditions.
• Corrosion inhibitors shield metal parts in salt air and freshwater.
• NLGI 2 consistency balances pumpability and staying power.

What components besides wheel bearings can I lubricate with this product?

Its versatile formulation suits a variety of automotive and marine points that need grease protection. Use it on hitch balls, trailer axles, pivots and other fittings prone to wear and moisture exposure.

• Hitch balls and trailer couplers for smoother towing and less wear.
• U-joints, trailers, ATVs and small machinery grease points.
• Seals and fittings where water resistance and longevity matter.

Who is this for: Better Boat's 14 oz marine grease cartridges are built for boat owners, trailer operators, RV and ATV enthusiasts, and professional technicians who need a durable, waterproof lubricant that fits common grease guns. It’s well-suited to anyone seeking an ASTM-grade, NLGI 2 grease that simplifies maintenance, minimizes corrosion risk and performs reliably across seasons without frequent reapplication.