Lithium Grease
Why Lithium Grease Matters for RV & Marine Engines
When it comes to keeping boats and RVs running smoothly, lubrication is one of the most overlooked — and most critical — aspects of maintenance. Lithium grease is a go-to lubricant for marine and RV applications because of its unique ability to cling to metal surfaces, resist water washout, and hold up across a wide range of temperatures. Unlike standard petroleum-based greases, lithium-thickened formulations stay in place under the vibration, moisture, and mechanical stress that marine and RV environments routinely deliver.
Where Lithium Grease Gets Used
In the marine world, lithium grease is essential for a broad range of components. Trailer wheel bearings, universal joints, outdrive pivot joints, gimbal bearings, shaft splines, and steering parts all depend on consistent lubrication to prevent corrosion and premature wear. On the RV side, gear shift mechanisms, hinges, latches, cams, pistons, cables, chains, and even window tracks benefit from regular greasing. Whether you're launching a boat every weekend or prepping an RV for a cross-country trip, applying fresh lithium grease to these touchpoints is a fundamental part of responsible preventive maintenance.
What to Look for When Shopping Lithium Grease
- Water resistance: Marine environments demand a grease that won't wash off in freshwater or saltwater. Look for formulations explicitly rated for marine use.
- Temperature range: Quality marine lithium greases should perform reliably from well below freezing to over 300°F to handle both cold-weather storage and hot running components.
- Application format: Aerosol spray cans offer convenience for hard-to-reach spots like cables and tracks, while cartridge or tube formats suit grease guns for bearings and pivot joints.
- Corrosion protection: Salt air and constant moisture accelerate metal corrosion. Choose a grease with built-in anti-corrosion additives for long-lasting protection.
Top Brands in RV & Marine Lithium Grease
CRC Industries is a longtime leader in marine maintenance chemicals. Their Marine White Lithium Grease is a versatile, long-life formula engineered to resist washout and perform across a wide temperature range — making it a reliable choice for everything from steering parts and pistons to fishing reels and trailer balls.
Sierra brings deep marine OEM expertise to their lithium grease lineup. Their Pro Performance Grease features a premium lithium formulation specifically engineered for fresh and saltwater corrosion protection, with an operating range of -40°F to 350°F — making it ideal for trailer wheel bearings, gimbal bearings, and outdrive pivot joints.