Grease Cap w/ Rubber Plug 5.2k - 7k 6-Bolt Hubs, 2.44" OD - Trailer Parts Unlimited
Amazon.com: XiKe 2 Set 1.78" OD Trailer Bearings Dust Cap Grease Cap, Fits 3/4" Trailer Wheel Hub Axles. : Automotive
Front Wheel Grease Cap, Vintage MOPAR parts - Andy Bernbaum Auto Parts
Axle Grease Cap 2-3/4" OD - Inland RV
7k/8k Dexter Axle Hub Grease Cap
Knott Grease Cap 2.06" (2 1/16") (52MM) with Rubber Plug 6B1831.025 - E-Z Lube Caps - Grease Caps/Dust Caps - Hubs, Drums, Bearings, & Parts - Products
Amazon.com: Trailer Bearing Dust Cap Wheel - Trailer Axle Grease Cover 1.98" with Extra 2 Rubber Plugs, Bearing Center Replacement Trailer Cup, Trailer Hub Grease Cap for 2000 to 3500 Ib Axles
3.5k Trailer Axle Hub/Dust/Grease Cap - 3500 lb capacity - 1.99" | Axle Components | The Trailer Parts Outlet
Hub Grease Cap for 1949-79 Ford Trucks and Cars | Dennis Carpenter Ford Restorations
VW Bus Grease cap 211405691, 211405692 Wagenswest aluminum 1955-63 Bus front - Wagenswest