For: 2000 -3500 lb trailer wheel hub and both types of axles EZ Lube and standard; Most brake idler trailer axles for most 4 lug & 5 lug axles with 1.98" diameter cap and various trailers, including boat trailer grease caps, campers, and RVs
Compatible: Trailer hub grease cap most brake idler trailer axles for most 4 lug & 5 lug axles with 1.98" diameter cap and various trailers, including boat trailer grease caps, campers, and RVs
Dimension: OD: 1.98 inch/ 50.4 mm
Perfect protection: These trailer hub dust caps effectively prevent dirt, water and other contaminants from entering the bearings, preserve grease, prevent axle corrosion, and extend the life of the trailer axle and bearings
Better Quality: dust-proof cap is made of high-quality steel and rubber, with a galvanized surface that is durable, ensures rust and long-lasting protection, and facilitates the use of grease