4 PCS 1.98" Trailer Hub Dust Caps, Trailer Axle Bearing Grease Cover with 8 Rubber Plugs, Dustproof Axle Wheel Bearing & Hub Cap Cup for 2000-3500 lb Trailers Campers RVs

Specification:Material: Galvanized Steel, RubberQuantity: 4 PCSColor: Silver & BlackWeight: 0.58 lbCap Size: 1.98 × 1.98 × 1.39 inchesCap Hole Diameter: 1.17 inchesRubber Plug Diameter: 1.45 inchesPackage Includes: 4 Dust Caps, 8 Rubber PlugsFeature: Corrosion-Resistant, Dustproof, SturdyFit Type: Universal FitWhy do you need these trailer hub dust caps?-With effective sealing, they help retain grease in the hub, supporting smooth and dependable towing.-The trailer axle dust caps only take a short time to install, which can effectively protect your trailer bearing hubs.-They help maintain clean, well-lubricated trailer wheel bearings, supporting reliable performance in harsh conditions or during long-distance travel.

• Practical Function: The trailer hub dust caps shield hubs and bearings from dust, dirt, debris, and fine particles, helping avoid premature wear and component failure. Their excellent sealing keeps grease in place, reducing friction and heat between wheel parts while enhancing bearing efficiency
• Quality Materials: The trailer axle grease caps are made of thickened steel for high strength and impact resistance, with a zinc-plated finish for superior corrosion resistance. The rubber plugs offer strong resilience and tear resistance, ensuring a reliable seal and long-lasting durability
• Package and Size: Each package includes 4 dust caps and 8 rubber plugs (4 for everyday use and 4 as spares). Each dust cap measures 1.98 inches in diameter and 1.39 inches in height, with a 1.17-inch round hole diameter; each rubber plug measures 1.45 inches in diameter
• Easy Installation: The installation of the trailer axle dust caps is simple and quick—use a rubber hammer for smooth seating without deformation. Their surfaces have undergone precise polishing treatment, which are smooth and burr-free, so they won't scratch your wheels
• Wide Applicability: The trailer hub bearing dust caps are suitable for most standard 2000 to 3500 pound trailer wheel hubs, offering wide applicability. They are compatible with most standard 4-lug and 5-lug brake and idler trailer axles, making them an ideal choice for you