Enhance the longevity and performance of your trailer axles with these premium Rockwell American Posi-Lube Dust Caps. Designed for easy maintenance and superior protection, these galvanized caps shield your bearings from dirt, debris, and moisture while allowing quick access for greasing.
Key Features and Benefits:
- Pack Contents: Includes 2 high-quality caps with removable rubber plugs for hassle-free lubrication.
- Dimensions: 1.98″ outside diameter (OD) – perfect fit for #84 spindles and hubs. Always verify your axle measurements to ensure compatibility.
- Easy Access Design: The removable rubber cap exposes the grease fitting instantly, simplifying routine maintenance and reducing downtime.
- Durable Construction: Galvanized finish resists corrosion, making them ideal for harsh environments like marine or off-road use.
- Compatibility: Fits most standard 2,000 to 3,500 lb axles, ensuring reliable performance for utility trailers, boat trailers, and more.
These caps not only protect your investment but also promote smoother operation and extended bearing life. Priced at $8.99 for the pair, they’re an affordable upgrade for any trailer owner.
For precise sizing, refer to the diagram below showing inside diameter (1.97″) and outside diameter (1.98″).

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